Charles is responsible for managing the Foundation's portfolio of impact investments, including loans, equity investments, and guarantees.
Prior to MacArthur, Charles served as Executive Director at World Bicycle Relief (WBR), an international nonprofit that designs, manufactures, and distributes rugged bikes in the developing world to improve access to education, healthcare, and economic opportunity. Prior to WBR, Charles spent 10 years as an equity research analyst, the last six of which were at William Blair. Earlier in his career, he was the Director of Housing Development at Tenderloin Neighborhood Development Corporation where his team acquired and/or substantially renovated over 700 units of low-income housing in San Francisco.
Charles holds a BA in Economics from the University of Michigan, Ann Arbor, and an MBA from the Haas School of Business at the University of California at Berkeley.