Geragos was born in Los Angeles, California, where he attended Flintridge Preparatory School in La Cañada, graduating with honors.
[14] Geragos first garnered national attention after representing convicted Whitewater figure Susan McDougal, the former business partner of former President Bill Clinton.
[15] Geragos requested a presidential pardon for McDougal on January 20, 2001, though the decision was entirely up to former President Clinton, pursuant to Article II of the United States' Constitution.
[23] Other notable clients include: Geragos was alleged to have participated in a scheme with attorney Michael Avenatti to extort Nike, but was not charged.
[6][55] Geragos was employed by CNN in a contributor role until March 25, 2019, when he was reportedly implicated in an alleged scheme with attorney Michael Avenatti to extort more than $20 million from Nike, Inc.[56] In addition to his former role as contributor on CNN, Mark Geragos and Sunny Hostin hosted a 2014 legal program entitled Making the Case.
[57] Geragos has made multiple appearances on the Adam Carolla Show since 2013, usually giving commentary on whatever is the top legal issue in pop culture.
[62] Mistrial: An Inside Look at How the Criminal Justice System Works, co-authored by Geragos and Pat Harris, was published by Penguin in 2013.