Sara Olsen is the founding partner of SVT Group (www.svtgroup.net), a San Francisco - based advisory firm that specializes in measuring, managing, and communicating social and environmental value and return on investment. To date, SVT has developed frameworks to measure the nonfinancial value of approximately US$2 billion in social and environmental investments and grants in over 20 countries. Olsen believes impact management is an emerging business discipline, and she works to promote its development and adoption. She is the co-author of Social Return on Investment: A guide to SROI Analysis (Lenthe Publishers, 2006) and co - founded the Global Social Venture Competition ( www.gsvc.org ) in 1999. Olsen holds an MBA from UC Berkeley, an MASW from the University of Chicago, and a BA from Dartmouth College.