List of Famous people born on November 20th

Matthias Keller is a German retired footballer.

Thomas M. Siebel is an American billionaire businessman, technologist, and author. He was the founder of enterprise software company Siebel Systems and is the founder, chairman, and CEO of C3.ai, an artificial intelligence software platform and applications company.

Donald Thomas DiFrancesco is a former American Republican politician. He was President of the New Jersey Senate from 1992 until 2002 and by virtue of this office succeeded Christine Todd Whitman as Governor of New Jersey after her resignation to become Administration of the Environmental Protection Agency. He served from January 2001 to January 2002.

Christoph Pfingsten is a German racing cyclist, who currently rides for UCI WorldTeam Team Jumbo–Visma. He rode at the 2013 UCI Road World Championships. He was named in the startlist for the 2016 Vuelta a España. In May 2018, he was named in the startlist for the 2018 Giro d'Italia.

Boris Lvovich Feigin is a Russian mathematician. His research has spanned representation theory, mathematical physics, algebraic geometry, Lie groups and Lie algebras, conformal field theory, homological and homotopical algebra.

Klaus Grünberg is a German actor.