Roberto Sanabria is a co-founding partner at Expa who combines investment decision-making with running the firm's day-to-day operations, an uncommon dual role among venture investors. He focuses on very early-stage investments in the $250K-$2M range and works closely with small cohorts of founders through Expa's hands-on studio model from idea through launch. Roberto Sanabria is a co-founding partner at Expa who combines investment decision-making with running the firm's day-to-day operations, an uncommon dual role among venture investors. He focuses on very early-stage investments in the $250K-$2M range and works closely with small cohorts of founders through Expa's hands-on studio model from idea through launch.