Our Team


Our team of professionals is dedicated to the success and growth of your business

Chuck Cullen

General Partner, Chief Operating Officer and Chief Financial Officer

Chuck Cullen joined Grotech Ventures in 2000. Chuck is responsible for all financial, accounting and administrative functions for the Grotech funds as Chief Financial Officer and Chief Operating Officer. In addition, Chuck serves on several portfolio company boards, including Ceterus, Healthcare Interactive, Krista Software and Toluna. He also works closely as a Board observer on the following companies: Fluid, ThreatX, Webscale and XOi. He previously served on the boards of Biotix (acquired by Mettler Toledo), Brandywine Senior Care (acquired by Warburg Pincus and two public REITs), buySAFE (acquired by EasyPost), Cloud Elements (acquired by UIPath); Dizzion (acquired by LLR); Entek (acquired by DuPont); GutCheck (acquired by Toluna); MEDecision (Nasdaq: MEDE, subsequently acquired by HCSC), Sagittarius Brands (holding company for Captain D’s and Del Taco restaurants), Social Safeguard (secondary sale to Allegis/NightDragon) and WiserTogether (acquired by Evive Health). Chuck also works with other portfolio companies, on a special project basis, to improve their financial performance and exit value.

Prior to joining Grotech, Chuck served as the Chief Financial and Administrative Officer of Avatech Solutions, Inc., an IT solutions provider serving the design automation market. He previously worked as a management consultant on Fortune 500 engagements for A.T. Kearney, Inc., practiced law with Hogan and Hartson and began his career in public accounting as a CPA with Ernst & Young.

Chuck received a Bachelor of Business Administration degree in Accounting (Magna Cum Laude) from Loyola College. He received his Juris Doctor degree (Magna Cum Laude/Notre Dame Law Review) from the University of Notre Dame Law School and his Master of Business Administration (Beta Gamma Sigma) from the Kellogg Graduate School of Management at Northwestern University. He has served on the advisory board of the Maryland Center for Entrepreneurship and the Tech Commercialization Review Panel at the Johns Hopkins Applied Physics Lab. Chuck has also served as a judge for the Invest Maryland Challenge, Ernst & Young’s Entrepreneur of the Year program and the Maryland Incubator Company of the Year program.