Prior to joining B Lab, Kassoy spent 16 years in the private equity business, most recently as a partner at MSD Real Estate Capital, an affiliate of MSD Capital, the $12 billion investment vehicle for Michael Dell.

Kassoy is dedicated to growing innovative for-profit and non-profit models for social change. He is a board member of Working Today and the Freelancers Union, which provide affordable health insurance and other financial services to independent workers in thirty-two states.  He also sits on the boards of Echoing Green, Wall St. Without Walls, and acts as an advisor to Civic Builders.

Andrew was raised in Boulder, Colorado and graduated with distinction from Stanford University, where he was a Truman Scholar and President's Award winner. In 2001, he was named a Henry Crown Fellow by the Aspen Institute. Kassoy has also been active in Colorado politics, and he has served as a member of the Council on Foreign Relations. He is married to Kamy Wicoff, a writer, and he has two young sons.