Danny Siegel is one of the world's greatest experts on microphilanthropy. For more than 30 years he has lectured in hundreds of communities on the topic of personalized Tzedakah and Tikkun Olam (Fixing the World).

He is the founder of and was chairman of
Ziv Tzedakah Fund,
which distributed nearly $14,000,000 from 1981 until 2008 when it ceased operations.