Ted Tai-Sen Lin (TTSL) Charitable Foundation is an independent non-profit foundation based in New York, New York. Established in 1999, it began with funding nonprofit initiatives in conservation, arts and culture, education, and emerging ideas and technology. TTSL aims to operate at a systems level, pursuing projects that connect like-minded individuals to make a greater social impact through combined resources. The foundation is managed and administered by the Board of Trustees.Ted Tai-Sen Lin Charitable Foundation's investment portfolio is valued at $6.15 million, with investments in domestic and international equity, real estate, hedge fund, private equity, and cash.