Walden International

Walden International, established in 1987, is a California-based private equity firm specializing in early and expansion stage investments. With over three decades of experience, the firm focuses on cross-border investments, leveraging global markets and talent to grow industry-leading companies. Walden International invests across sectors such as Semiconductors, Clean Tech, Internet & Digital Media, and Software, partnering with exceptional entrepreneurs who appreciate the benefits of global talent and market access. The firm's integrated team offers extensive venture expertise and operating experience, providing capital, relationships, and strategic guidance to help portfolio companies thrive.

Carson Chen

Venture Partner

Roni Hefetz

Venture Partner, Israel

Cliff Higgerson

Venture Partner

Weber Jin

Venture Partner

Kris Leong Seok Wan

Vice President

Hock Voon Loo

Venture Partner

Teresa Smith

CFO

Lin Wang

Partner

Hing Wong

Managing Director

Past deals in Electronics

Granda

Venture Round in 2025
Granda is a precision mechatronics manufacturer focusing on semiconductor packaging equipment.

Hyasic Semiconductor

Series C in 2024
HYASiC is a semiconductor company focused on designing digital power chips and hybrid integrated circuits. The firm specializes in advanced power management solutions, particularly in developing power management integrated circuits (PMIC) for display panels and mini LED drivers. These products cater to mobile devices and household appliances, allowing clients to implement efficient and intelligent energy management from AC to DC. Through its innovative technologies, HYASiC aims to provide energy-saving solutions that enhance the performance and sustainability of electronic systems.

Juexin Technology

Series A in 2023
Juexin Technology is an entity that designs high-speed optoelectronic chips. Its primary focus is on the development of electrical chips for high-speed optical communications.

SemiShare

Venture Round in 2023
SemiShare is a manufacturer of advanced wafer probe and semiconductor testing equipment. The company specializes in a range of products, including manual, semi-automatic, and fully automatic probe stations, which are designed to meet the testing needs of universities, research institutes, FAB factories, and panel factories. In addition to probe stations, SemiShare offers various supplementary equipment, such as probe holders, probe fixtures, and multiple laser repair machines for LCD, OLED, and LCVd technologies. By providing these specialized tools, SemiShare supports both scientific research and mass production in the semiconductor industry.

Orient

Post in 2022
Orient is a manufacturer and developer specializing in optocouplers and infrared chips, which are designed to provide cost-effective solutions for various sectors. The company leverages its expertise in chip core technology and maintains a comprehensive IDM industrial chain structure to facilitate research and development, as well as manufacturing. Orient's products convert light and electric energy, enabling efficient control of electrical power for applications across multiple industries, including aerospace, new energy vehicles, consumer electronics, household appliances, power communications, and medical equipment. By enhancing the speed of electrical signal transfer, Orient supports enterprises in achieving greater operational efficiency and innovation.

Starshine Semiconductor

Venture Round in 2022
Starshine Semiconductor is a developer of RF front-end filters and modules. SAW, TC-SAW, and BAW filters, duplexers, and quadplexer are among Starshine Semiconductor's products. Starshine Semiconductor specializes in mid- to high-end products for markets such as 5G communications and IoT.

Heyan Technology

Series B in 2022
Manufacturer of semiconductor special equipment and accessories and consumables. The company focuses on fields including silicon wafers, glass, ceramics, quartz, lithium niobate, sapphire, enabling packaging and testing enterprises with semiconductor products.

Starshine Semiconductor

Series A in 2022
Starshine Semiconductor is a developer of RF front-end filters and modules. SAW, TC-SAW, and BAW filters, duplexers, and quadplexer are among Starshine Semiconductor's products. Starshine Semiconductor specializes in mid- to high-end products for markets such as 5G communications and IoT.

CYGNUSEMI

Series A in 2022
Cygnus Semi is a semiconductor chip technology company that specializes in developing solutions for 5G Internet-of-Things (IoT) applications. The company focuses on creating advanced connectivity capabilities for smart devices and smart cities. Its products are designed to enhance the performance of electronic devices, allowing manufacturers to integrate high-quality chip technology into their smart products. Through its innovations, Cygnus Semi aims to support the growing demand for enhanced connectivity in various sectors.

ChangXin Memory Technologies

Venture Round in 2022
ChangXin Memory Technologies is a Chinese company that specializes in the development, manufacturing, and sales of dynamic random-access memory (DRAM) semiconductor products. It focuses on producing integrated circuits used for data memory and related functions, catering to industry users with low-power data storage solutions. The company is engaged in extensive research and development efforts to enhance its product offerings and maintain competitiveness in the semiconductor sector. Through its commitment to innovation and quality, ChangXin Memory Technologies aims to play a significant role in the global memory market.

SJ Semi

Series C in 2021
SJ Semi is a MEOL foundry focused on front-end wafer manufacturing and quality systems. The company specializes in bumping, Cu pillar, RDL, and testing services for 12" wafers while investing in R&D for fan-out, TSV, interposer, and 3D technologies. With over a decade of experience, SJ Semi aims to support advancements in the semiconductor market.

Bolb

Series A in 2021
Bolb Inc. is a company based in Livermore, California, that specializes in the development and manufacture of ultraviolet solid-state emitters designed for disinfection purposes. Founded in 2014, Bolb utilizes a proprietary epitaxial platform to create the only fully transparent UVC LED epitaxy stack in the world. This innovative technology allows Bolb to produce UVC LEDs with exceptional performance, delivering up to 200mW per emitter. Their products are designed to effectively deactivate harmful pathogens, including SARS-CoV-2, in a short amount of time. Bolb's UVC LEDs are integrated into a new generation of portable and home appliances, medical devices, and industrial processing equipment, enabling efficient disinfection and preservation of valuable resources across various applications.

Kandou

Series C in 2020
Kandou Bus SA is a Swiss company focused on designing high-speed, energy-efficient chip-to-chip links and associated technologies. Founded in 2011 and based in Lausanne, Kandou specializes in creating serial links that enhance data transfer speeds while minimizing power consumption across various applications, including DRAM, graphics cards, server backplanes, mobile devices, game consoles, routers, and FPGAs. The company's innovative approach allows for increased bit rates and extended reach in physical communications, enabling more efficient data transmission. By reducing energy requirements, Kandou's technology supports longer battery life and smaller device footprints, making it a vital player in the evolving landscape of electronics. The team comprises skilled scientists and engineers operating in Switzerland, the UK, and the US, dedicated to advancing the capabilities of serial link design.

YEESTOR

Series B in 2020
YEESTOR Microelectronics Co., Ltd specializes in the development and sale of memory control chips, focusing primarily on storage controllers. Established in 2007 and headquartered in Shenzhen, China, the company provides a range of products including PCIe SSD controllers, SATA SSD controllers, UFS controllers, eMMC controllers, USB controllers, and security storage controllers. These products are used across various applications, such as data centers, servers, personal computers, smartphones, tablets, smart homes, and the Internet of Things. YEESTOR serves clients that include storage IC companies and module manufacturers, offering technical support and customized solutions to enhance design efficiency and reliability. The company emerged from the merger of SiliconGo Microelectronics and Auspitek and has achieved significant milestones, including cumulative shipments exceeding 700 million units, positioning itself as a leading global supplier in the flash memory controller market.

QST Corporation

Series B in 2020
QST Corporation, founded in September 2012 and headquartered in Shanghai, China, specializes in the development and manufacturing of micro-electromechanical system (MEMS) smart sensors. The company focuses on designing high-quality sensor solutions for mobile consumer electronic devices, including smartphones, tablets, wearables, and augmented/virtual reality headsets. Its product offerings include 3-axis magnetic sensors, accelerometers, gyroscopes, barometers, pressure sensors, and light sensors, as well as combined inertial sensors. QST Corporation aims to customize intelligent applications and services for its clients, leveraging the domestic industrial support system in China to achieve rapid growth. The company is positioned to serve various sectors, including IoT applications, smart homes, and drones, contributing to the advancement of intelligent mobile terminals.

Kandou

Series C in 2019
Kandou Bus SA is a Swiss company focused on designing high-speed, energy-efficient chip-to-chip links and associated technologies. Founded in 2011 and based in Lausanne, Kandou specializes in creating serial links that enhance data transfer speeds while minimizing power consumption across various applications, including DRAM, graphics cards, server backplanes, mobile devices, game consoles, routers, and FPGAs. The company's innovative approach allows for increased bit rates and extended reach in physical communications, enabling more efficient data transmission. By reducing energy requirements, Kandou's technology supports longer battery life and smaller device footprints, making it a vital player in the evolving landscape of electronics. The team comprises skilled scientists and engineers operating in Switzerland, the UK, and the US, dedicated to advancing the capabilities of serial link design.

Kandou

Series B in 2018
Kandou Bus SA is a Swiss company focused on designing high-speed, energy-efficient chip-to-chip links and associated technologies. Founded in 2011 and based in Lausanne, Kandou specializes in creating serial links that enhance data transfer speeds while minimizing power consumption across various applications, including DRAM, graphics cards, server backplanes, mobile devices, game consoles, routers, and FPGAs. The company's innovative approach allows for increased bit rates and extended reach in physical communications, enabling more efficient data transmission. By reducing energy requirements, Kandou's technology supports longer battery life and smaller device footprints, making it a vital player in the evolving landscape of electronics. The team comprises skilled scientists and engineers operating in Switzerland, the UK, and the US, dedicated to advancing the capabilities of serial link design.

Hefei Ruike Microelectronics

Series A in 2018
Hefei Ruike Microelectronics Co., Ltd. is jointly invested by well-known domestic and foreign venture capital institutions such as Qingkong Ginkgo, Huashan Capital, China Investment Zhongcai, Walden International, Hefei High Investment, Zhenghe Island Investment, etc., and is listed on NASDAQ in the United States. Semiconductor memory The company Rambus (RMBS) and China A-share listed company Zhaoyi Innovation (603986) provide industrial support as strategic investors and are innovative semiconductor technology enterprises established in Hefei High-tech Zone. The company is mainly committed to the development of advanced new memory chips and interface technologies. The new memory chip is a type of nonvolatile memory that works by changing the resistance of a specific solid dielectric material. The core team of Hefei Sage Scientific comes from the R&D backbones of major semiconductor companies in the world. They have educational backgrounds from famous schools at home and abroad and an average of more than 15 years of experience in memory design, R&D, product experience, and product combat experience. The company advocates a people-oriented, open, and pragmatic engineering culture, with a strong atmosphere of technological innovation, an international perspective, and experience in integrating production, education, and research. product.

YEESTOR

Series A in 2018
YEESTOR Microelectronics Co., Ltd specializes in the development and sale of memory control chips, focusing primarily on storage controllers. Established in 2007 and headquartered in Shenzhen, China, the company provides a range of products including PCIe SSD controllers, SATA SSD controllers, UFS controllers, eMMC controllers, USB controllers, and security storage controllers. These products are used across various applications, such as data centers, servers, personal computers, smartphones, tablets, smart homes, and the Internet of Things. YEESTOR serves clients that include storage IC companies and module manufacturers, offering technical support and customized solutions to enhance design efficiency and reliability. The company emerged from the merger of SiliconGo Microelectronics and Auspitek and has achieved significant milestones, including cumulative shipments exceeding 700 million units, positioning itself as a leading global supplier in the flash memory controller market.

INSO

Series A in 2017
INSO is an online store that sells electric portable products. INSO creates and manufactures tool products that improve people's lives. They provide payment, shipping, return, and refund services for customers. The portable bidet and shower phone holder are two of INSO's products.

Air Smart Audio

Series A in 2017
Elvis Radio is a retro radio manufacturer specializing in the development and design of handmade wood radios. It has two brands, MAO KING and RADIOOO. The MAO KING series mainly includes Elvis Presley, Elvis Presley, Elvis Presley. The little prince OTR, SOLO+, etc.; while the RADIOOO series includes the Méd, the Flying Eagle, Pop, and the Radio Commander.

MEMSDrive

Series B in 2016
MEMS Drive Inc. is a fabless semiconductor company specializing in the development and manufacturing of advanced MEMS actuators for mobile imaging applications in portable electronics. The company focuses on providing superior optical image stabilization technology, utilizing electrostatic forces between electrically conductive combs to deliver fast and precise image stabilization for mobile devices. With strong backing from customers in the cellphone camera market, MEMS Drive Inc. is positioned at the forefront of innovation in this dynamic sector, continually enhancing imaging capabilities for portable electronics.

essemi

Series A in 2012
essemi provides integrated circuit products such as radio frequency chips and touch chips used in consumer electronics, home appliances, industrial control, automotive electronics, instrumentation, personal care, medical, and other fields.

GoPro

Series A in 2011
GoPro, Inc. is a company that develops and sells cameras, drones, and mountable and wearable accessories aimed at capturing high-definition images and videos, particularly in extreme action contexts. Founded in 2002 and headquartered in San Mateo, California, GoPro offers a range of products including the HERO7 and HERO8 waterproof cameras, the MAX 360-degree camera, and various accessories such as mounts, housings, and batteries. The company also provides cloud-based solutions like GoPro Plus for storage and sharing, along with editing applications such as Quik and the GoPro App. GoPro markets its products through specialty retailers and online channels worldwide, with a significant portion of its revenue generated through direct sales. The company has a global presence, particularly in the Americas, Europe, the Middle East, Africa, and Asia-Pacific, with the Americas contributing over half of its total revenue.

Silicon Mitus

Series B in 2009
Silicon Mitus, Inc. is a fabless semiconductor company based in Seongnam, South Korea, specializing in the development and distribution of high-performance power management integrated circuits (PMIC). Founded in 2007, the company focuses on manufacturing semiconductor chips for a variety of electronic applications, including laptop LCDs, monitors, cell phones, and LED products. Silicon Mitus aims to deliver customized solutions that enhance the performance of electronic devices while reducing system costs through innovative technology and design. The company's expertise in smart PMIC solutions positions it to meet the evolving needs of the electronics market.

Fujian Haiyuan Automatic Eqpmnts

Series A in 2008
FUJIAN HAIYUAN is a manufacturer of hydraulic molding equipment with the related diversified core competitiveness in equipment field integrated with mechanics, electronics and hydraulics in China. It provides green solutions in the field of construction materials by offering both domestic and foreign customers with technical schemes and key equipments.

3Peak

Pre Seed Round in 2008
3Peak is a fabless semiconductor company specializing in the research, development, design, and production of high-speed, ultra-precision, low-power, and low-noise analog integrated circuits (ICs) and their associated application systems and software. The company serves a diverse range of industries, including industrial applications, medical equipment, automotive electronics, communication systems, and information security. In addition to product development, 3Peak is involved in the sales of its products and provides after-sales services to its clients. Funded by venture capital firms from Silicon Valley and China, 3Peak is committed to advancing technology in various fields through its innovative semiconductor solutions.

Telegent Systems

Series C in 2007
Telegent Systems, Inc. is a fabless semiconductor company based in Sunnyvale, California, founded in 2004. The company specializes in the development and marketing of advanced analog CMOS RF and mixed-signal system-on-a-chip solutions. Telegent Systems focuses on creating products that facilitate the reception, processing, and output of free-to-air analog broadcast television, primarily for mobile handsets and portable media devices. By leveraging its technical expertise in RF mixed-signal design and communications signal processing, the company aims to open new market opportunities in communications and computing platforms. Its operations span multiple regions, including Southeast Asia, Latin America, the Middle East, Africa, China, and the Russian Federation/CIS.

Neoconix

Series C in 2007
Neoconix, Inc. is a supplier of low-profile, high-performance electrical connectors catering to mobile, enterprise IT, and industrial markets. Founded in 2002 and based in San Jose, California, the company specializes in miniaturized connectors that leverage its patented PCBeam technology. This technology utilizes standard printed circuit lithographic processes, enabling rapid development and competitive pricing for custom electrical connector solutions. Neoconix offers a diverse range of products, including standard mobile and consumer connectors, high-speed connectors, and various custom connector options for applications in computing, telecommunications, consumer electronics, military-aerospace, medical devices, and test equipment. With over 60 patents issued or pending, Neoconix is recognized for delivering some of the industry's lowest profile connectors, achieving high reliability and extreme performance exceeding 25Gb/s. The company was previously known as Epic Technology, Inc. before adopting its current name in December 2004.

GalaxyCore

Seed Round in 2006
GalaxyCore Inc. is a fabless image sensor company based in Shanghai, China, established in 2003. The company specializes in the design, development, and marketing of high-quality CMOS image sensor devices that capture optical images and convert them into digital signals, primarily for use in mobile devices such as feature phones, smartphones, and tablets. In addition to image sensors, GalaxyCore produces LCD driver chips, which facilitate the display of image data on screens. The company serves a diverse range of clients, including CMOS camera module manufacturers, LCD module manufacturers, end device manufacturers, and design houses. With additional offices in Shenzhen, Beijing, Hong Kong, and Taipei, GalaxyCore is well-positioned to enhance its presence in the global mobile device and consumer electronics markets.

Neoconix

Venture Round in 2006
Neoconix, Inc. is a supplier of low-profile, high-performance electrical connectors catering to mobile, enterprise IT, and industrial markets. Founded in 2002 and based in San Jose, California, the company specializes in miniaturized connectors that leverage its patented PCBeam technology. This technology utilizes standard printed circuit lithographic processes, enabling rapid development and competitive pricing for custom electrical connector solutions. Neoconix offers a diverse range of products, including standard mobile and consumer connectors, high-speed connectors, and various custom connector options for applications in computing, telecommunications, consumer electronics, military-aerospace, medical devices, and test equipment. With over 60 patents issued or pending, Neoconix is recognized for delivering some of the industry's lowest profile connectors, achieving high reliability and extreme performance exceeding 25Gb/s. The company was previously known as Epic Technology, Inc. before adopting its current name in December 2004.

Inphi

Series D in 2005
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Neoconix

Series B in 2005
Neoconix, Inc. is a supplier of low-profile, high-performance electrical connectors catering to mobile, enterprise IT, and industrial markets. Founded in 2002 and based in San Jose, California, the company specializes in miniaturized connectors that leverage its patented PCBeam technology. This technology utilizes standard printed circuit lithographic processes, enabling rapid development and competitive pricing for custom electrical connector solutions. Neoconix offers a diverse range of products, including standard mobile and consumer connectors, high-speed connectors, and various custom connector options for applications in computing, telecommunications, consumer electronics, military-aerospace, medical devices, and test equipment. With over 60 patents issued or pending, Neoconix is recognized for delivering some of the industry's lowest profile connectors, achieving high reliability and extreme performance exceeding 25Gb/s. The company was previously known as Epic Technology, Inc. before adopting its current name in December 2004.

Inphi

Series C in 2004
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Greenfield Networks

Series C in 2004
Greenfield Networks provides Ethernet switch silicon technology solutions for enterprise and metro applications primarily in India and internationally. The company offers a series of packet processors; G135 Intelligent Mux, which is a 12-port gigabit Ethernet (GE) intelligent multiplexer for GE linecards for enterprise and metro edge chassis systems; and G900 switch fabric that delivers wirespeed switching performance for its 10 Gbps fabric ports.

Calypto Design Systems

Series B in 2004
Calypto Design Systems, Inc. specializes in technologies for ESL hardware design, RTL power optimization, and functional verification. The company offers a range of products, including PowerPro, which automates RTL power optimization and analysis by identifying and inserting logic for sequential clock gating and memory enablement, achieving significant power reductions in designs. Additionally, Calypto provides the Catapult platform, enabling designers to create production-quality RTL from high-level descriptions in ANSI C++ or SystemC, thus streamlining the design and verification processes. Their SLEC tools verify the equivalence of RTL implementations against system-level models, leveraging formal methods to ensure design integrity. Founded in 2002 and headquartered in San Jose, California, Calypto operates offices in Japan, India, Europe, and North America, primarily serving Fortune 500 clients globally, including prominent companies in the semiconductor industry.

Semiconductor Manufacturing International

Series C in 2003
Semiconductor Manufacturing International Corporation (SMIC) is a leading semiconductor foundry based in Shanghai, China, established in 2000. It specializes in the design and manufacturing of integrated circuits (IC) and offers a comprehensive range of services including computer-aided design, wafer fabrication, testing, packaging, and assembly. SMIC operates advanced fabrication facilities, including 300mm and 200mm fabs in various locations such as Beijing, Tianjin, and Shenzhen, and provides technology services for process nodes ranging from 0.35 microns to 28 nanometers. The company serves a diverse clientele, including integrated device manufacturers, fabless semiconductor firms, and system companies, with its products utilized in sectors such as artificial intelligence, data centers, automotive, consumer electronics, and the Internet of Things. SMIC is recognized as the largest foundry in China and ranks fifth globally in the semiconductor industry, employing over 20,200 people and maintaining a presence in markets across North America, Europe, Japan, and Taiwan.

Inphi

Series B in 2002
Inphi Corporation is a provider of high-speed analog and mixed-signal semiconductor solutions, primarily serving the communications, data center, and computing markets in the United States. The company specializes in products that enhance data transmission capabilities, including amplifiers, encoders, multiplexers, and clock recovery devices, operating at speeds up to 100 Gbps. These solutions are integral to the functionality of servers, routers, switches, and storage systems, addressing bandwidth bottlenecks and optimizing throughput while minimizing latency. Inphi collaborates with system vendors to create proprietary simulation models that predict performance prior to semiconductor fabrication. The company's extensive product line also supports applications in test and measurement equipment and military radar systems. Inphi sells its products directly to original equipment manufacturers and indirectly through module manufacturers and original design manufacturers. Founded in 2000 and based in Sunnyvale, California, Inphi was previously known as TCom Communications, Inc. before rebranding in 2001.

Nova Crystals

Series D in 2002
Nova Crystals develops and manufactures fiber-optic data/telecommunications components based on their proprietary process and wafer technologies, as well as high efficiency LEDs for display and illumination applications.

Global Communication Devices

Series B in 2001
Global Communication Devices is engaged in the design of fabless RF and mixed-signal ICs (integrated circuits) and RF and mixed-signal.

Nova Crystals

Series C in 2000
Nova Crystals develops and manufactures fiber-optic data/telecommunications components based on their proprietary process and wafer technologies, as well as high efficiency LEDs for display and illumination applications.

YesAsia

Venture Round in 2000
YesAsia.com is an online retail platform specializing in Asian entertainment products. Established in 1998 and based in San Bruno, California, the website provides a user-friendly interface that allows customers to easily browse a wide array of offerings, including music, videos, karaoke, games, and electronics. YesAsia.com also features culture-specific content and highlights fresh releases, ensuring that it meets the diverse preferences of its audience. This comprehensive selection makes it a prominent source for fans of Asian entertainment seeking to explore and purchase a variety of products.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.