Xavier Donaldson Biography – Xavier Donaldson Wiki

Xavier Donaldson is a criminal defense attorney operating in New York City. He practices law at his firm, Xavier R. Donaldson, located in New York, NY. His LinkedIn profile states that he has been running his own legal practice since 2023.

Before establishing his current practice, Donaldson was an attorney and co-founder at the New York City-based law firm Donaldson & Chilliest LLP, serving there for 24 years from 2000 to 2024. He embarked on his legal career as an assistant district attorney in the Bronx County District Attorney’s Office from 1994 to 1999.

Donaldson holds a law degree from Howard University School of Law, earned in 1994, and a Bachelor of Science in Criminal Justice/Sociology from St. Augustine’s University, obtained in 1990. Additionally, he served as an adjunct law professor at Brooklyn Law School between 2015 and 2021.

Donaldson was inspired to become a lawyer by his older brother, Thomas, also a lawyer. He told the New York State Bar Association: “I became a lawyer because my older brother, Thomas, also a lawyer, explained to me the importance of attorneys and judges and how they are the bedrocks of change in this country.”

Xavier Donaldson Age

Attorney Xavier R. Donaldson was born in 1968.

Sean “Diddy” Combs Trial

New York-based criminal defense attorney Xavier Donaldson is representing Sean “Diddy” Combs in Diddy’s sex trafficking trial. He joined Diddy’s legal team on the eve of trial (May 5, 2025). The legal team is headed by Marc Agnifilo and Teny Geragos.

In the courtroom, Donaldson has been actively involved in cross-examining key prosecution witnesses. Notably, he questioned Daniel Phillip, a male dancer who testified about being paid to engage in sexual acts with Diddy’s’ former partner Cassie Ventura, The Independent reported.