Matthew Thomas, Paddle, on Tri-Sector Leadership Matthew Thomas, Managing Partner of Paddle, takes a look at the meaning of tri-sector leadership, what does it really take to be a tri-sector leader, and how to engage all three sectors. Tags: Tri-Sector Leadership ← Leigh Morgan, Bill and Melinda Gates Foundation, on Tri-Sector Leadership Wendy Kopp, Teach for America, on Scaling Social Impact →