Walden Catalyst, founded in 2021 and based in San Francisco, California, is a venture capital firm that focuses on early-stage investments in sectors such as data, deep tech, artificial intelligence, cloud, and digital biology. The firm, which evolved from the legacy of Walden International and Samsung Catalyst Fund, aims to provide not only capital but also operational expertise to help entrepreneurs rapidly scale their businesses. By partnering with innovative industry leaders, Walden Catalyst strives to unlock new avenues of growth and accelerate the development of the next generation of companies across the United States, Europe, and Israel.
Virtue AI operates as an AI security and compliance platform for applications.
Virtue AI
Series A in 2025
Virtue AI operates as an AI security and compliance platform for applications.
ANYbotics
Series B in 2024
ANYbotics AG is a Swiss robotics company founded in 2016 and based in Zurich. The company specializes in developing autonomous legged robots designed for industrial applications, particularly in hazardous and complex environments. These robots feature advanced capabilities such as docking stations, robust waterproof designs, and various sensing technologies. They are equipped to perform tasks like asset monitoring, equipment health checks, and event detection, thereby enhancing productivity and safety for workers in sectors such as oil and gas, power, energy, mining, chemicals, transportation, and construction. With a team of over 100 employees, ANYbotics aims to support industrial facilities in their inspection needs, promoting more sustainable operations through intelligent robotic solutions.
Nearfield Instruments
Series C in 2024
Nearfield Instruments B.V., founded in 2016 and based in Rotterdam, the Netherlands, specializes in the development and manufacture of High-Throughput Scanning Probe Metrology systems tailored for advanced integrated circuit metrology. The company’s technology employs atomic-scale probes to scan and analyze the surfaces of semiconductor samples, facilitating atomic-scale resolution during the fabrication process. This innovative approach enhances process control in semiconductor manufacturing, leading to improved production yields and functionality of microchips. By supporting the advancement of smaller and more efficient electronic devices, Nearfield Instruments plays a crucial role in the evolution of the semiconductor industry.
Rivos
Series A in 2024
Rivos is a startup focused on developing high-performance RISC-V computing solutions aimed at enterprise applications. The company specializes in manufacturing computing chips designed to provide efficient and powerful server systems, particularly for large language models and data analytics. Rivos offers a comprehensive RISC-V-based server platform that includes optimized processors, a data parallel accelerator, and an open software stack. This integration allows developers to enhance the performance, security, and overall cost-effectiveness of their existing workloads. Through its innovative technology, Rivos seeks to meet the growing demands of modern computing environments.
Clarity
Seed Round in 2024
Clarity is an AI cybersecurity company focused on combating AI-generated misinformation and deepfakes. The company offers a platform that employs collective intelligence technology to detect manipulation in video, audio, and images. This adaptive and explainable detection system is designed to scale, thereby promoting the integrity of digital interactions and ensuring the reliable flow of critical information for businesses. Clarity aims to enhance the resilience of essential democratic institutions by enabling organizations and individuals to differentiate between authentic content and hyperrealistic generative AI media.
Artera
Venture Round in 2024
Artera develops medical artificial intelligence tests that personalize therapy for cancer patients. Its tests predict therapeutic benefits and prognosticate patient outcomes. The Artera platform is purely software, and runs on digital images of H&E histopathology images as part of routine clinical care.
Ingonyama
Seed Round in 2023
Ingonyama develops advanced zero-knowledge proof (ZKP) hardware accelerators aimed at enhancing cryptographic computations. By integrating innovative chip design with sophisticated algorithms and mathematical expertise, the company provides exceptional performance that facilitates the rapid and efficient development of ZK applications. Ingonyama's vision encompasses a future where ZKP hardware is seamlessly integrated into a wide range of technologies, including data centers, mobile devices, blockchain nodes, gaming machines, and Internet of Things (IoT) devices. Through its pioneering efforts, Ingonyama aims to establish a foundation for applications that require high-performance ZKP capabilities, thereby positioning itself as a leader in the evolving landscape of zero-knowledge proof technology.
MindsDB
Seed Round in 2023
MindsDB Inc. is an automated machine learning platform that enables organizations to derive insights from their data through predictive analytics. Founded in 2017 by Adam Carrigan and Jorge Torres, the company offers a solution that allows users to pose predictive questions and receive accurate answers, thereby democratizing access to machine learning capabilities. The platform is versatile and applicable across various industries, including retail, finance, healthcare, and manufacturing, addressing needs such as credit scoring, customer lifetime value optimization, fraud detection, and risk assessment. By automating the predictive modeling process, MindsDB allows businesses to achieve the functionalities of skilled data scientists at a reduced cost, thereby transforming databases into effective data science teams. The company, which is based in Berkeley, California, was a participant in YCombinator's Winter 2020 batch and has received recognition as one of America's promising AI companies.
ANYbotics
Series B in 2023
ANYbotics AG is a Swiss robotics company founded in 2016 and based in Zurich. The company specializes in developing autonomous legged robots designed for industrial applications, particularly in hazardous and complex environments. These robots feature advanced capabilities such as docking stations, robust waterproof designs, and various sensing technologies. They are equipped to perform tasks like asset monitoring, equipment health checks, and event detection, thereby enhancing productivity and safety for workers in sectors such as oil and gas, power, energy, mining, chemicals, transportation, and construction. With a team of over 100 employees, ANYbotics aims to support industrial facilities in their inspection needs, promoting more sustainable operations through intelligent robotic solutions.
3D Glass Solutions
Series C in 2023
3D Glass Solutions provides customers complete glass-enabled systems integration services using their patented APEX® Glass. Their mission is to provide our customers with an integrative solution in electronics and IC packaging that allows them to integrate more components onto a single platform while decreasing overall manufacturing costs.
Artera
Venture Round in 2023
Artera develops medical artificial intelligence tests that personalize therapy for cancer patients. Its tests predict therapeutic benefits and prognosticate patient outcomes. The Artera platform is purely software, and runs on digital images of H&E histopathology images as part of routine clinical care.
Galileo
Series A in 2022
Galileo.ai is an AI platform that specializes in developing, testing, monitoring, and securing AI applications. It offers a data intelligence platform that enhances machine learning by analyzing unlabeled data to automatically identify error patterns and data gaps within models. This capability allows clients to improve operational efficiencies, reduce costs, and address data biases across various sectors, including healthcare, financial services, and insurance. Through its innovative solutions, Galileo.ai aims to advance the effectiveness of AI technologies in diverse industries.
AI21 Labs
Series B in 2022
AI21 Labs, founded in 2017 and based in Tel Aviv-Yafo, Israel, specializes in developing generative artificial intelligence and large language models. The company creates tools designed to enhance the understanding and generation of natural language, effectively transforming how users read and write. Its AI-driven writing companion captures real intelligence, rephrasing text to convey precise meanings while providing summaries that aid in comprehension. These innovations empower users to analyze and visualize complex information more efficiently, facilitating a deeper understanding of abstract knowledge structures. Through the application of deep learning and computer vision algorithms, AI21 Labs aims to significantly improve the efficiency of reading and writing processes.
Opaque Systems
Series A in 2022
Opaque is a startup that helps organizations analyze encrypted data in the cloud. Opaque Systems offers a service for secure data analytics and machine learning in the cloud. Opaque commercializes the open source MC2 Platform, which leverages a novel combination of two key technologies layered on top of state-of-the-art cloud security—secure hardware enclaves and cryptographic fortification.
Peptone
Series A in 2022
Peptone Ltd is a London-based company that specializes in developing artificial intelligence solutions aimed at addressing protein development challenges within the biotechnology, biopharmaceutical, and life sciences sectors. Established in 2016, Peptone focuses on the discovery of novel therapeutics, particularly targeting intrinsically disordered proteins. The company offers a range of services, including antibody design and optimization, a comprehensive protein database, and automated thermos-stability engineering. Its proprietary platform, CassandraAI, facilitates in silico protein engineering, enhancing the efficiency of protein development processes. Peptone's advanced protein engineering system addresses complex tasks such as anomaly detection and risk assessment, enabling clients to identify optimal strategies for resolving potential failures. This capability allows users to select suitable commercial partners to produce high-quality molecules more rapidly and cost-effectively than traditional methods employed in the pharmaceutical industry.
Voltron Data
Series A in 2022
Voltron Data specializes in developing tools for data access and memory computing aimed at enhancing the data analytics ecosystem. The company has created an open-source platform that facilitates seamless connections between data, hardware, and developers. By providing modular and composable analytics building blocks, Voltron Data enables the creation of multi-language tools that promote accelerated data interchange and in-memory processing. This approach allows developers, data scientists, and data engineers to improve their toolchains and establish better interoperability standards for data access, preparation, cleaning, analytics, and feature engineering.
Voltron Data
Seed Round in 2022
Voltron Data specializes in developing tools for data access and memory computing aimed at enhancing the data analytics ecosystem. The company has created an open-source platform that facilitates seamless connections between data, hardware, and developers. By providing modular and composable analytics building blocks, Voltron Data enables the creation of multi-language tools that promote accelerated data interchange and in-memory processing. This approach allows developers, data scientists, and data engineers to improve their toolchains and establish better interoperability standards for data access, preparation, cleaning, analytics, and feature engineering.
Speedata
Series A in 2021
Speedata develops accelerated processor for big data analytics across industries. Speedata's Analytics Processing Unit (APU) was designed solely to optimize datacenter and cloud-based database and analytic workloads, dramatically improving performance by orders of magnitude while reducing costs, power consumption and space.
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