Walter S. Johnson Foundation is an independent non-profit foundation based in San Francisco, California. Founded in 1968, the foundation assists transition-aged foster and other vulnerable youth in Northern California and Nevada, to become successful adults. The assets of the foundation are managed by the board of trustees. The books are in the care of Whittier Trust.Walter S. Johnson Foundation's investment portfolio is valued at over $95.05 million as of December 31, 2018, with investments in cash, equities, fixed income, and private equity.