Golden Angels Investors

Founded in 2017, Frontdesk operates a digital platform for short-term rentals across the United States. It offers fully managed properties for business and vacation travelers, handling booking, cleaning, pricing, messaging, and guest screening through its proprietary technology stack.

Fiveable, Inc. is an educational technology company based in Milwaukee, Wisconsin, founded in 2018. It operates an interactive social learning platform designed for Advanced Placement (AP) students and teachers, aiming to foster educational equity. The platform combines content, community, and courses to enhance the learning experience. It features a comprehensive content library and interactive community spaces, allowing students to engage with peers studying similar subjects. Fiveable offers online instruction led by accredited teachers across various disciplines, including history, social sciences, STEM, and languages. The company's mission is to empower students by building their skills and confidence, enabling them to earn college credit through placement exams and succeed in their educational endeavors.

Fiveable, Inc. is an educational technology company based in Milwaukee, Wisconsin, founded in 2018. It operates an interactive social learning platform designed for Advanced Placement (AP) students and teachers, aiming to foster educational equity. The platform combines content, community, and courses to enhance the learning experience. It features a comprehensive content library and interactive community spaces, allowing students to engage with peers studying similar subjects. Fiveable offers online instruction led by accredited teachers across various disciplines, including history, social sciences, STEM, and languages. The company's mission is to empower students by building their skills and confidence, enabling them to earn college credit through placement exams and succeed in their educational endeavors.

Curate Solutions, established in 2016 and based in Madison, Wisconsin, specializes in providing civic intelligence services. The company operates a software platform that leverages artificial intelligence to analyze public municipality meeting minutes, agendas, and other documents, enabling organizations to monitor local government discussions, track projects, and identify opportunities or risks at scale. This service is particularly valuable for government relations professionals and construction industry leaders, helping them stay informed about local policy issues and potential projects across thousands of municipalities in the United States.

Alinea Engage LLC is a software company based in Milwaukee, Wisconsin, founded in 2015. It specializes in developing a patient intake and engagement platform tailored for outpatient physical therapy and rehabilitation providers. The platform enhances patient engagement by automating processes such as digitizing intake forms and completing onboarding prior to appointments. Alinea Engage's technology aims to strengthen the continuum of care between healthcare providers and patients, ultimately increasing operational efficiency, expanding capacity, and improving profitability for providers. By focusing on exceptional patient experiences, the company fosters loyalty and engagement from the initial contact throughout the patient journey.

Dynamis Software Corporation specializes in providing software solutions tailored for insurance brokers to enhance collaboration with their clients. The company’s flagship product, Dynamic Plan Designer, offers a visual platform that simplifies the modeling of benefit plans, making it easier for brokers to present options to clients. This software enables brokers to compare different plans, deliver real-time cost updates, explore funding alternatives, and manage medical and prescription drug plans efficiently. Incorporated in 2012 and based in Franklin, Wisconsin, Dynamis Software Corporation focuses on optimizing consumer-driven health care (CDHC) plans to facilitate better decision-making for employers and improve overall business outcomes. As of 2018, it operates as a subsidiary of Applied Systems, Inc.

Founded in 2006, Promentis Pharmaceuticals is a biopharmaceutical company based in Milwaukee, Wisconsin. It develops therapies targeting the central nervous system for treating neuropsychiatric disorders such as impulse control disorders and obsessive-compulsive disorder.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in the development and manufacturing of chemical-free water treatment solutions. Founded in 2006, AquaMost's flagship product, the SX Reactor, integrates multiple bacteria-killing technologies, including onsite generation of chlorine and hydroxyl radicals combined with ultraviolet irradiation, achieving over 99% efficacy in eliminating bacteria. This innovative system is particularly tailored for the oil and gas industry, but its applications extend to various sectors including food and beverage, drinking water treatment, dairy, and other industrial uses. AquaMost also provides delivery, setup, and maintenance support for its systems, which have been deployed in regions such as Texas, Colorado, Utah, and Canada.

Dynamis Software Corporation specializes in providing software solutions tailored for insurance brokers to enhance collaboration with their clients. The company’s flagship product, Dynamic Plan Designer, offers a visual platform that simplifies the modeling of benefit plans, making it easier for brokers to present options to clients. This software enables brokers to compare different plans, deliver real-time cost updates, explore funding alternatives, and manage medical and prescription drug plans efficiently. Incorporated in 2012 and based in Franklin, Wisconsin, Dynamis Software Corporation focuses on optimizing consumer-driven health care (CDHC) plans to facilitate better decision-making for employers and improve overall business outcomes. As of 2018, it operates as a subsidiary of Applied Systems, Inc.

Dock Technologies, Inc. is a Madison, Wisconsin-based medical device company founded in 2013. It specializes in developing innovative medical equipment designed to assist acute care teams in managing time-sensitive cases. The company's flagship product, the INSIGHT system, includes a wristband that automatically starts a timer, allowing healthcare professionals to monitor the time elapsed during critical medical situations. This technology facilitates the collection, review, and recording of time points, enabling users to visualize and analyze data effectively, thus streamlining reporting processes.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in the development and manufacturing of chemical-free water treatment solutions. Founded in 2006, AquaMost's flagship product, the SX Reactor, integrates multiple bacteria-killing technologies, including onsite generation of chlorine and hydroxyl radicals combined with ultraviolet irradiation, achieving over 99% efficacy in eliminating bacteria. This innovative system is particularly tailored for the oil and gas industry, but its applications extend to various sectors including food and beverage, drinking water treatment, dairy, and other industrial uses. AquaMost also provides delivery, setup, and maintenance support for its systems, which have been deployed in regions such as Texas, Colorado, Utah, and Canada.

Dynamis Software Corporation specializes in providing software solutions tailored for insurance brokers to enhance collaboration with their clients. The company’s flagship product, Dynamic Plan Designer, offers a visual platform that simplifies the modeling of benefit plans, making it easier for brokers to present options to clients. This software enables brokers to compare different plans, deliver real-time cost updates, explore funding alternatives, and manage medical and prescription drug plans efficiently. Incorporated in 2012 and based in Franklin, Wisconsin, Dynamis Software Corporation focuses on optimizing consumer-driven health care (CDHC) plans to facilitate better decision-making for employers and improve overall business outcomes. As of 2018, it operates as a subsidiary of Applied Systems, Inc.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in the development and manufacturing of chemical-free water treatment solutions. Founded in 2006, AquaMost's flagship product, the SX Reactor, integrates multiple bacteria-killing technologies, including onsite generation of chlorine and hydroxyl radicals combined with ultraviolet irradiation, achieving over 99% efficacy in eliminating bacteria. This innovative system is particularly tailored for the oil and gas industry, but its applications extend to various sectors including food and beverage, drinking water treatment, dairy, and other industrial uses. AquaMost also provides delivery, setup, and maintenance support for its systems, which have been deployed in regions such as Texas, Colorado, Utah, and Canada.

Founded in 2006, Promentis Pharmaceuticals is a biopharmaceutical company based in Milwaukee, Wisconsin. It develops therapies targeting the central nervous system for treating neuropsychiatric disorders such as impulse control disorders and obsessive-compulsive disorder.

Founded in 2006, Promentis Pharmaceuticals is a biopharmaceutical company based in Milwaukee, Wisconsin. It develops therapies targeting the central nervous system for treating neuropsychiatric disorders such as impulse control disorders and obsessive-compulsive disorder.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in the development and manufacturing of chemical-free water treatment solutions. Founded in 2006, AquaMost's flagship product, the SX Reactor, integrates multiple bacteria-killing technologies, including onsite generation of chlorine and hydroxyl radicals combined with ultraviolet irradiation, achieving over 99% efficacy in eliminating bacteria. This innovative system is particularly tailored for the oil and gas industry, but its applications extend to various sectors including food and beverage, drinking water treatment, dairy, and other industrial uses. AquaMost also provides delivery, setup, and maintenance support for its systems, which have been deployed in regions such as Texas, Colorado, Utah, and Canada.

PerBlue is an independent mobile gaming studio based in Madison, Wisconsin. Founded in 2008, the company specializes in creating midcore RPG and strategy games played by millions worldwide. With a team of over 40 employees, PerBlue aims to entertain and engage players through innovative, free-to-play mobile gaming experiences.

Dynamis Software Corporation specializes in providing software solutions tailored for insurance brokers to enhance collaboration with their clients. The company’s flagship product, Dynamic Plan Designer, offers a visual platform that simplifies the modeling of benefit plans, making it easier for brokers to present options to clients. This software enables brokers to compare different plans, deliver real-time cost updates, explore funding alternatives, and manage medical and prescription drug plans efficiently. Incorporated in 2012 and based in Franklin, Wisconsin, Dynamis Software Corporation focuses on optimizing consumer-driven health care (CDHC) plans to facilitate better decision-making for employers and improve overall business outcomes. As of 2018, it operates as a subsidiary of Applied Systems, Inc.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in the development and manufacturing of chemical-free water treatment solutions. Founded in 2006, AquaMost's flagship product, the SX Reactor, integrates multiple bacteria-killing technologies, including onsite generation of chlorine and hydroxyl radicals combined with ultraviolet irradiation, achieving over 99% efficacy in eliminating bacteria. This innovative system is particularly tailored for the oil and gas industry, but its applications extend to various sectors including food and beverage, drinking water treatment, dairy, and other industrial uses. AquaMost also provides delivery, setup, and maintenance support for its systems, which have been deployed in regions such as Texas, Colorado, Utah, and Canada.

PerBlue is an independent mobile gaming studio based in Madison, Wisconsin. Founded in 2008, the company specializes in creating midcore RPG and strategy games played by millions worldwide. With a team of over 40 employees, PerBlue aims to entertain and engage players through innovative, free-to-play mobile gaming experiences.

Ratio, Inc. is a medical device company based in Monona, Wisconsin, established in 2005. The company specializes in the development and production of innovative drug delivery pumps. Its flagship product is a disposable drug delivery pump that utilizes a non-electronic, hydrogel-based technology to administer large molecule drugs and various biologics through the skin via microneedles. Additionally, Ratio provides painless and active transdermal products, enhancing the patient experience in drug delivery solutions.

Founded in 2006, Promentis Pharmaceuticals is a biopharmaceutical company based in Milwaukee, Wisconsin. It develops therapies targeting the central nervous system for treating neuropsychiatric disorders such as impulse control disorders and obsessive-compulsive disorder.

Founded in 2006, Promentis Pharmaceuticals is a biopharmaceutical company based in Milwaukee, Wisconsin. It develops therapies targeting the central nervous system for treating neuropsychiatric disorders such as impulse control disorders and obsessive-compulsive disorder.

Flex Biomedical, Inc. is a biomedical company based in Madison, Wisconsin, founded in 2007. The company focuses on developing innovative treatments and diagnostics for orthopedic injuries and diseases, with a particular emphasis on osteoarthritis, a debilitating joint condition that affects millions globally. Its flagship product, the Flex Polymer, is a synthetic and injectable polymer designed to alleviate the symptoms of osteoarthritis. By offering solutions that aim to enhance patient mobility and reduce pain, Flex Biomedical addresses a significant health challenge faced by many individuals. The company markets its products through online retailers, making its offerings accessible to a wider audience.

EMSystems, LLC specializes in developing web-based healthcare information management solutions in the United States. The company offers a range of products, including EMResource for inventory and resource management, EMTrack for patient and evacuee tracking, EMCredential for volunteer registration and credential verification, and EMRecord for managing critical EMS patient information. These solutions also facilitate shelter management, dialysis, mental health status tracking, alert notifications, and reporting applications. EMSystems provides implementation, training, and customer support services to ensure effective use of its tools. Its solutions are utilized by hospitals, emergency medical services (EMS) providers, fire departments, law enforcement agencies, and health departments during medical emergencies, mass casualty events, and public health crises. Founded in 1997 and based in Milwaukee, Wisconsin, EMSystems was previously known as EMSystem.com LLC before rebranding in 2002.