Profile Previews

Get a glimpse into our company and investor data—powered by the PitchBook Platform

Robert Zieserl


Mr. Robert Zieserl is a Board Member of simMachines, where he serves as the President and Chief Executive Officer. He is a Board Observer and Angel Investor at PhysIQ. He was the Chairman and served as Chief Executive Officer at Vital Sensors. He is a Co-Founder and General Partner at Stratus Ventures. He was a Managing Director of KB Partners Venture Fund II at KB Partners, L.L.C. He served as Board Member at Verax Biomedical. He specialized in investments in medical devices, diagnostics, and healthcare informatics. He has over 30 years of management experience growing and investing in healthcare and technology companies. He is well versed in business strategy, product development, marketing, and partnering for early stage companies. Prior to founding Stratus Ventures, he was a Managing Director of KB Partners, L.L.C., which he joined in 2000. Prior to joining KB Partners, he was a Co-Founder and Managing Director of Gray Drake Partners. He founded Gray Drake Partners after serving as the President and Chief Operating Officer of Software Development Systems, Inc. As the President, he successfully funded, grew, and ultimately sold the company to Wind River Systems, Inc. He also served as the Chief Executive Officer of Tomtec Imaging, Inc. He also led the founding of Tomtec Imaging while an Entrepreneur-in-Residence with Platinum Venture Partners. Earlier in his career he was the President and Chief Operating Officer of Medicus Systems, Inc., where he was the key to the company's successful IPO. He currently sits on the Board of Directors of Mezzia, Sarvega, Inc., and is a Board Observer at Accumetrics and a Board Member at Endotronix. He is active in a number of professional organizations, including the World Presidents Organization (WPO), where he is the Chairman of the Mentorship Program with the Entrepreneurs Organization (EO). He was a Director at Ischemia Technologies. He received an M.Sc. in Management and Industrial Relations from Loyola University, Chicago, and a B.A. from the Marquette University.

Primary Investor Type
Angel (individual)
Primary Office
  • 1 East Wacker Drive
  • Suite 1900
  • Chicago, IL 60601
  • United States

+1 (260) 000-0000

Robert Zieserl Investments (1)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
000000 00000 (00000 000 Decision/Risk Analysis Generating Revenue 000000 0000000
To view this investor’s complete investment and acquisition history, request access »
Request full access to PitchBook

You’re viewing a free company profile from the PitchBook Platform. To explore Robert Zieserl’s full profile, request a free trial.

Robert Zieserl Team (1)

Name Title Deals Funds Boards Office Contact
Robert Zieserl Angel Investor 0 0 0 Chicago, IL