William Burckart leads the Investment Integration Project (TIIP). He is also a fellow of the High Meadows Institute and member of the advisory council of the Investments and Wealth Institute's WealthBoard 100. Burckart previously founded or cofounded two impact investment advisory firms, Burckart Consulting and Impact Economy North America.

Steve Lydenberg is the founder of TIIP and also serves as partner, strategic vision, of Domini Impact Investments. Lydenberg was a cofounder of KLD Research and Analytics Inc. and served as its research director from 1990 to 2001. From 1987 to 1989, he was an associate with Franklin Research and Development Corporation (now known as Trillium Asset Management).