Our Team

Brett Sandstrom
Brett's military upbringing instilled in him resilience and determination, shaping his character and career. Losing both parents to cancer at a young age fueled his deep commitment to healthcare. As an entrepreneur, Brett has successfully founded and exited two companies. With over a decade of experience as an active investor across multiple asset classes, he continues to drive innovation and growth in navigating the financial landscape.

Jason Goldenberg
Jason is an accomplished go-to-market leader with a proven track record, including a successful exit and the generation of tens of millions in recurring revenue through sales to major health plans, health systems, consultancies, and healthtech companies. He has also served as an advisor, board member, and interim CEO to over 10 early-stage companies, helping drive their growth and market traction. Jason’s passion for healthcare advocacy is deeply personal, shaped by personal health challenges, fueling his relentless energy and commitment to making a lasting impact on the industry.

Bernard Harris
GP: Vesalius Ventures.
Board: Texas Medical Center; Recuro; Raytheon.
Ex: NASA.

Phil Fasano
C-level: Kaiser; AIG; Capital One; JPMorgan;
Board: BCBS CareFirst.
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At 4D Capital, we empower healthcare technology and impact driven companies with operational advisory and growth equity.