John Fontein, Angel Investor

John Fontein is Co‑Founder of Sesame, a healthcare marketplace launched in 2018 to make medical services more accessible and affordable. He previously served as GM for North America at Omio and earlier as VP of Business Development, helping scale the Berlin‑based travel platform to unicorn status. John began his career at Goldman Sachs, where he spent nearly seven years in investment banking before moving into entrepreneurship. His career reflects a consistent focus on building and scaling consumer platforms across healthcare, travel, and technology. He also founded RE:LABEL, combining his background in finance and business development with a passion for creating new ventures. As an angel investor, John has made about 16 investments with a focus on healthcare, fintech, and consumer technology. Recent investments include Fleet, Delfina, ivee, and Vivvi, underscoring his commitment to backing founders who are building innovative solutions in health services, digital platforms, and financial technology.