Laurence A. Tosi “L.T.”

Founder & Managing Partner


Founder & Managing Partner


Over 25 years, L.T. has established a career as a distinctive operator, serial entrepreneur and forward-looking investor. As an operator, L.T. has served in executive-level roles at leading, global institutions Merrill Lynch (COO, CFO, Risk Committee, Head of Corp. Dev. and eCommerce), Blackstone (CFO, Management and Risk Committee Member, Head of the Innovations Fund and Blackstone Treasury Solutions fund) and Airbnb (CFO, Head of Payments, Customer Experience & Corporate Development). His tenure at each institution coincided with periods of their greatest innovation and transformational growth.


As an entrepreneur, L.T. was a founding partner or early investor behind several tech-enabled, disruptive businesses across e-commerce, private markets technology and cyber-security. During his time at Merrill and Blackstone, L.T. deployed ~$500M of capital, returning ~$1,600M at a 38% IRR.  As an individual investor, L.T. has managed his own portfolio of investments via a family office for over 25 years, which recently evolved into WestCap, an innovative investment and advisory platform. L.T.’s WestCap investments include early positions in fast-growing market leaders such as Airbnb,  Ipreo (founder),,, BreakingMedia, Boatsetter, Mollie, LongTermStockEzchange, Point Financial, Belong, Addepar, SpaceX, Viagogo, Oxford Nanopore and Sonder. L.T. has been the founder or early investor in 11 companies that have reached “unicorn” status of more than $1b in valuation.


L.T. earned a BA, MBA, and JD from Georgetown University, where he now serves on the Board of Directors and on the Endowment Committee and has been a consistent supporter of scholarships through his foundation.