Mark Ghobrial

Mark Ghobrial is a venture capital investor currently serving as a Partner at OS Fund, an early-stage investment firm focused on applied sciences. He holds the Chartered Financial Analyst designation from the CFA Institute, indicating a formalized background in advanced financial modeling, asset valuation, and portfolio management. In his capacity as a venture partner, he is responsible for sourcing new deals, conducting rigorous financial due diligence, and evaluating complex business models. Operating within the venture firm originally established by founder Bryan Johnson to back entrepreneurs commercializing breakthrough scientific discoveries, his responsibilities involve assessing the commercial viability of capital-intensive startups. Ghobrial leverages his quantitative finance expertise to structure early-stage venture transactions and monitor the ongoing performance of portfolio companies. His current focus remains on deploying capital into science-driven enterprises and supporting the financial operations of OS Fund investments.