Marinus' investors include a syndicate of premiere health care and pharmaceutical-focused venture capital investors, company founders and individuals as well as non-profit organizations and academic organizations providing Marinus with a unique blend of industry support.

Domain Associates
Domain Associates, LLC is a venture capital firm focused on health care product opportunities including biopharmaceuticals, medical devices and related businesses. Over its 23 year history, Domain has been involved in the creation of over 200 companies. Its latest venture capital fund is Domain Partners VII, L.P., which is capitalized at $700 million. Domain is located in Princeton, NJ and in San Diego, CA.

Sofinnova Ventures
Sofinnova Ventures is a diversified venture capital firm focused on early-stage biopharmaceutical and technology investing. Sofinnova's mission is to provide entrepreneurs with the resources, experience and networks necessary to turn their ideas into thriving businesses. Their life sciences team consists of a seasoned team of five investors and senior executives with deep technical, strategic, and operational experience. Founded in 1974, Sofinnova currently manages over $1 billion and is investing out of its $375M seventh fund. Sofinnova has offices in San Francisco and San Diego.

Canaan Partners
Canaan Partners invests in visionary entrepreneurs and provides them the networks, insights and operational guidance required to build high-performance technology and healthcare companies. For 20 years, the partners have taken an active and committed role in the companies in which they invest, and have completed more than 69 mergers and acquisitions and 52 IPOs. With $3 billion under management and a worldwide footprint, the firm's healthcare team is committed to catalyzing the development of biopharmaceutical, medical device, diagnostic and therapeutics companies that are revolutionizing the practice of medicine. Canaan has offices in California, Connecticut, India and Israel.

Foundation Medical Partners
Foundation Medical Partners is a venture capital investment firm affiliated with The Cleveland Clinic Foundation. The firm is focused solely on health care with a special interest in medical devices, biopharmaceutical platforms and products, and other opportunities in health care including diagnostics, health care services, and health care information systems.