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3Si invests in breakthrough innovations within early-stage ventures that can disrupt markets. We build our portfolio based on compelling people, transformative ideas, significant intellectual property, deep market understanding, and the opportunity for capital efficiency and leverage.

Advisors & Mentors

Jason Feimster

Washington D.C. Metro Area

Growth-Stage Investor, Entrepreneur & Marine

Advises On: Sales, Small business, Training, Analysis, Leadership + 17 more