Golden Angels Investors

Frontdesk, Inc., established in 2017 and headquartered in Milwaukee, Wisconsin, specializes in short-term rental housing for business and leisure travelers across the United States. The company operates a digital platform that manages the entire guest experience, from booking and cleaning to guest screening, using in-house technology and operations. Frontdesk offers accommodations in 35 U.S. markets, with over 1000 units across 150+ buildings, providing travelers with a home-away-from-home experience and real estate partners with a sustainable rental model.

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.

Alinea Engage LLC is a software development company based in Milwaukee, Wisconsin, that specializes in creating an online patient intake and engagement platform tailored for outpatient physical therapy and rehabilitation providers. Established in 2015, the company's platform facilitates the digitization of intake forms, enabling medical practices to streamline the onboarding process prior to patient appointments. By enhancing patient engagement, Alinea Engage aims to improve the overall care experience while also increasing operational efficiency and profitability for healthcare providers. The technology supports a continuum of care that fosters lasting relationships between providers and patients, ultimately enhancing patient loyalty and satisfaction.

Dynamis Software Corporation specializes in providing software solutions for insurance brokers to enhance collaboration with their clients. The company's flagship product, Dynamic Plan Designer, allows brokers to visually model benefit plans, facilitating easier comprehension for clients. This tool enables brokers to compare various plans, offer real-time cost updates, and manage funding options while securely storing medical and prescription plans. Incorporated in 2012 and based in Milwaukee, Wisconsin, Dynamis Software operates as a subsidiary of Applied Systems, Inc. The software aims to optimize health insurance plans, streamline the renewal process, and support brokers in closing business more efficiently.

Promentis Pharmaceuticals, Inc. is a biopharmaceutical company based in Milwaukee, Wisconsin, established in 2006. The company specializes in developing therapies for neuropsychiatric disorders, with a focus on addressing glutamatergic imbalance and oxidative stress. Promentis is known for its lead compound, SXC-2023, which targets System xc- to treat multiple conditions, including impulse control disorders and obsessive-compulsive disorder. In addition to SXC-2023, Promentis is also working on other compounds aimed at restoring glutamatergic neurotransmission, which is crucial for improving cortical function and managing various psychiatric disorders, including schizophrenia.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in chemical-free water treatment solutions. Its flagship product, the SX Reactor, employs a combination of onsite generation of chlorine, hydroxyl radicals, and ultraviolet irradiation to effectively eliminate bacteria from various water sources, achieving a kill rate of over 99%. This patented technology is particularly beneficial for the oil and gas industry, where it helps treat flowback and produced water, as well as in other sectors such as food and beverage, dairy, and drinking water treatment. AquaMost provides comprehensive services, including delivery, setup, and maintenance of its systems, which have been deployed in regions like Texas, Colorado, Utah, and Canada. Established in 2006, the company focuses on delivering innovative water purification solutions without the use of chemicals.

Dynamis Software Corporation specializes in providing software solutions for insurance brokers to enhance collaboration with their clients. The company's flagship product, Dynamic Plan Designer, allows brokers to visually model benefit plans, facilitating easier comprehension for clients. This tool enables brokers to compare various plans, offer real-time cost updates, and manage funding options while securely storing medical and prescription plans. Incorporated in 2012 and based in Milwaukee, Wisconsin, Dynamis Software operates as a subsidiary of Applied Systems, Inc. The software aims to optimize health insurance plans, streamline the renewal process, and support brokers in closing business more efficiently.

Dock Technologies, Inc. is a medical device company based in Madison, Wisconsin, established in 2013. The company specializes in developing innovative medical equipment designed to assist acute care teams in managing time-sensitive cases. Its flagship product, the INSIGHT system, features a wristband that automatically activates a timer to track elapsed time in minute increments. This system collects and records time points, allowing healthcare professionals to visualize and analyze critical data, ultimately streamlining reporting processes. By providing a visual reminder of time elapsed, Dock Technologies enhances the efficiency and effectiveness of patient care in acute settings.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in chemical-free water treatment solutions. Its flagship product, the SX Reactor, employs a combination of onsite generation of chlorine, hydroxyl radicals, and ultraviolet irradiation to effectively eliminate bacteria from various water sources, achieving a kill rate of over 99%. This patented technology is particularly beneficial for the oil and gas industry, where it helps treat flowback and produced water, as well as in other sectors such as food and beverage, dairy, and drinking water treatment. AquaMost provides comprehensive services, including delivery, setup, and maintenance of its systems, which have been deployed in regions like Texas, Colorado, Utah, and Canada. Established in 2006, the company focuses on delivering innovative water purification solutions without the use of chemicals.

Dynamis Software Corporation specializes in providing software solutions for insurance brokers to enhance collaboration with their clients. The company's flagship product, Dynamic Plan Designer, allows brokers to visually model benefit plans, facilitating easier comprehension for clients. This tool enables brokers to compare various plans, offer real-time cost updates, and manage funding options while securely storing medical and prescription plans. Incorporated in 2012 and based in Milwaukee, Wisconsin, Dynamis Software operates as a subsidiary of Applied Systems, Inc. The software aims to optimize health insurance plans, streamline the renewal process, and support brokers in closing business more efficiently.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in chemical-free water treatment solutions. Its flagship product, the SX Reactor, employs a combination of onsite generation of chlorine, hydroxyl radicals, and ultraviolet irradiation to effectively eliminate bacteria from various water sources, achieving a kill rate of over 99%. This patented technology is particularly beneficial for the oil and gas industry, where it helps treat flowback and produced water, as well as in other sectors such as food and beverage, dairy, and drinking water treatment. AquaMost provides comprehensive services, including delivery, setup, and maintenance of its systems, which have been deployed in regions like Texas, Colorado, Utah, and Canada. Established in 2006, the company focuses on delivering innovative water purification solutions without the use of chemicals.

Promentis Pharmaceuticals, Inc. is a biopharmaceutical company based in Milwaukee, Wisconsin, established in 2006. The company specializes in developing therapies for neuropsychiatric disorders, with a focus on addressing glutamatergic imbalance and oxidative stress. Promentis is known for its lead compound, SXC-2023, which targets System xc- to treat multiple conditions, including impulse control disorders and obsessive-compulsive disorder. In addition to SXC-2023, Promentis is also working on other compounds aimed at restoring glutamatergic neurotransmission, which is crucial for improving cortical function and managing various psychiatric disorders, including schizophrenia.

Promentis Pharmaceuticals, Inc. is a biopharmaceutical company based in Milwaukee, Wisconsin, established in 2006. The company specializes in developing therapies for neuropsychiatric disorders, with a focus on addressing glutamatergic imbalance and oxidative stress. Promentis is known for its lead compound, SXC-2023, which targets System xc- to treat multiple conditions, including impulse control disorders and obsessive-compulsive disorder. In addition to SXC-2023, Promentis is also working on other compounds aimed at restoring glutamatergic neurotransmission, which is crucial for improving cortical function and managing various psychiatric disorders, including schizophrenia.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in chemical-free water treatment solutions. Its flagship product, the SX Reactor, employs a combination of onsite generation of chlorine, hydroxyl radicals, and ultraviolet irradiation to effectively eliminate bacteria from various water sources, achieving a kill rate of over 99%. This patented technology is particularly beneficial for the oil and gas industry, where it helps treat flowback and produced water, as well as in other sectors such as food and beverage, dairy, and drinking water treatment. AquaMost provides comprehensive services, including delivery, setup, and maintenance of its systems, which have been deployed in regions like Texas, Colorado, Utah, and Canada. Established in 2006, the company focuses on delivering innovative water purification solutions without the use of chemicals.

PerBlue is an independent mobile games studio located in Madison, Wisconsin, specializing in midcore role-playing and strategy games. Founded in 2008 by a group of college students, the company has evolved from its humble beginnings into a venture-backed operation with a team of over 40 employees. PerBlue focuses on creating engaging free-to-play games that cater to a diverse audience, encompassing genres such as adventure, fantasy, sports, and action. The studio is committed to delivering innovative gameplay experiences that entertain millions of players worldwide.

Dynamis Software Corporation specializes in providing software solutions for insurance brokers to enhance collaboration with their clients. The company's flagship product, Dynamic Plan Designer, allows brokers to visually model benefit plans, facilitating easier comprehension for clients. This tool enables brokers to compare various plans, offer real-time cost updates, and manage funding options while securely storing medical and prescription plans. Incorporated in 2012 and based in Milwaukee, Wisconsin, Dynamis Software operates as a subsidiary of Applied Systems, Inc. The software aims to optimize health insurance plans, streamline the renewal process, and support brokers in closing business more efficiently.

AquaMost, Inc. is a Madison, Wisconsin-based company specializing in chemical-free water treatment solutions. Its flagship product, the SX Reactor, employs a combination of onsite generation of chlorine, hydroxyl radicals, and ultraviolet irradiation to effectively eliminate bacteria from various water sources, achieving a kill rate of over 99%. This patented technology is particularly beneficial for the oil and gas industry, where it helps treat flowback and produced water, as well as in other sectors such as food and beverage, dairy, and drinking water treatment. AquaMost provides comprehensive services, including delivery, setup, and maintenance of its systems, which have been deployed in regions like Texas, Colorado, Utah, and Canada. Established in 2006, the company focuses on delivering innovative water purification solutions without the use of chemicals.

PerBlue is an independent mobile games studio located in Madison, Wisconsin, specializing in midcore role-playing and strategy games. Founded in 2008 by a group of college students, the company has evolved from its humble beginnings into a venture-backed operation with a team of over 40 employees. PerBlue focuses on creating engaging free-to-play games that cater to a diverse audience, encompassing genres such as adventure, fantasy, sports, and action. The studio is committed to delivering innovative gameplay experiences that entertain millions of players worldwide.

Ratio, Inc. is a medical device company that specializes in the development and production of drug delivery pumps. The company's key 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 using microneedles. In addition to this, Ratio offers painless and active transdermal products designed to enhance patient comfort and improve drug delivery efficiencies. Founded in 2005, Ratio, Inc. is headquartered in Monona, Wisconsin.

Promentis Pharmaceuticals, Inc. is a biopharmaceutical company based in Milwaukee, Wisconsin, established in 2006. The company specializes in developing therapies for neuropsychiatric disorders, with a focus on addressing glutamatergic imbalance and oxidative stress. Promentis is known for its lead compound, SXC-2023, which targets System xc- to treat multiple conditions, including impulse control disorders and obsessive-compulsive disorder. In addition to SXC-2023, Promentis is also working on other compounds aimed at restoring glutamatergic neurotransmission, which is crucial for improving cortical function and managing various psychiatric disorders, including schizophrenia.

Promentis Pharmaceuticals, Inc. is a biopharmaceutical company based in Milwaukee, Wisconsin, established in 2006. The company specializes in developing therapies for neuropsychiatric disorders, with a focus on addressing glutamatergic imbalance and oxidative stress. Promentis is known for its lead compound, SXC-2023, which targets System xc- to treat multiple conditions, including impulse control disorders and obsessive-compulsive disorder. In addition to SXC-2023, Promentis is also working on other compounds aimed at restoring glutamatergic neurotransmission, which is crucial for improving cortical function and managing various psychiatric disorders, including schizophrenia.

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.