Entrepreneurship in the Social Sector 2007 HKS Authors See citation below for complete author information. Herman B. (Dutch) Leonard George F. Baker, Jr. Professor of Public Management, HKS; Eliot I. Snider and Family Professor of Business Administration, HBS Citation Leonard, Herman B. "Measuring Performance." Entrepreneurship in the Social Sector. Ed. Jane Wei-Skillern, James Austin, Howard Stevenson, and Herman B. Leonard. SAGE Publications, 2007, 321-387.