Eli Weinberg is the Managing Partner of Filbert Holdings, a private investment partnership that makes concentrated investments in public and private companies. Prior to Filbert Holdings, Eli was the CIO and Managing Partner of SPO Partners & Co. In addition to serving on the board of the Making Waves Education Foundation, Eli is member of the Board of Trustees of The San Francisco Day School and Summit Wealth Systems. Eli received his BA from Amherst College in 1999 and an MBA from the Stanford University Graduate School of Business. Eli resides in San Francisco with his wife, Leigha, and two daughters, Margot and Annie.