Joel Wittenberg is vice president and chief investment officer at the W.K. Kellogg Foundation of Battle Creek, Michigan. Wittenberg serves on the foundation's executive council and is responsible for both Kellogg Foundation and Kellogg Foundation Trust investment portfolios. The foundation is the fourth largest in the U.S. with more than $7 billion in assets. Prior to joining the foundation, Wittenberg spent nine years as corporate vice president at the Kellogg Company, serving as treasurer as well as heading up investor relations. The W.K. Kellogg Foundation (WKKF), founded in 1930 as an independent, private foundation by breakfast cereal innovator and entrepreneur, Will Keith Kellogg, is among the largest philanthropic foundations in the United States. Guided by the belief that all children should have an equal opportunity to thrive, WKKF works with communities to create conditions for vulnerable children so they can realize their full potential in school, work and life.