Born in the displaced-persons camp at Bergen-Belsen, Germany, in 1948, Estreicher and his parents came to the U.S. two years later, first in Allentown PA, ultimately settling in the Bronx, New York.
[citation needed] After law school Estreicher clerked for the late Harold Leventhal of the United States Court of Appeals for the District of Columbia Circuit, practiced with a union-side law firm, and then clerked for the late Lewis F. Powell, Jr. of the United States Supreme Court.
Estreicher is a member of the arbitration/mediation panels of the American Arbitration Association and Center for Public Resources, and is a Fellow of the College of Labor and Employment Lawyers.
[citation needed] Estreicher has been counsel to a number of major law firms, including Jones Day.
In 2017, Estreicher was appointed by the UN Secretary General to serve as a member of the UN's Internal Justice Council for a 4-year term.