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Sean Mahsoul


Sean specializes in the representation of start-ups and emerging growth companies as their outside general counsel throughout the various stages of their life cycle including corporate formation, structuring and governance matters, commercial transactions, venture capital financing transactions, mergers and acquisitions, and their public offerings. He also represents venture capital investors in pre-seed through pre-IPO financing rounds.

Prior to Presidio Legal, Sean worked at Wilson Sonsini, one of the top corporate law firms in the world, where he served as outside general counsel to some of the highest profile tech and biotech companies. Before Wilson Sonsini, Sean worked at the global law firm of Hogan Lovells in their corporate group working on many cross border transactions. Sean is also an active investor and is a Venture Partner at a venture capital fund.

Outside of the office, Sean can be found playing basketball, surfing, or traveling.