Marc Agnifilo is a prominent American criminal defense attorney renowned for his extensive experience in handling complex and high-profile cases. With over three decades in legal practice, he has represented clients in a wide array of serious criminal matters, including securities fraud, racketeering, and international arms trafficking. Agnifilo has tried more than 200 cases and secured acquittals in several challenging trials.
He earned his Juris Doctor from Brooklyn Law School in 1990, where he co-chaired the Moot Court Honor Society and received the American Jurisprudence Award for outstanding performance in Trial Advocacy. Agnifilo began his legal career as an Assistant United States Attorney in the District of New Jersey, serving from 1998 to 2006, where he supervised investigations into various serious crimes, including murder, money laundering, and drug trafficking.
In private practice, Agnifilo has represented clients in both federal and state courts across the United States and internationally. His clientele has included individuals and entities involved in securities and financial crimes, as well as those facing charges in countries such as Italy, Switzerland, and Romania.
Agnifilo is the founding partner of Agnifilo Intrater LLP, a law firm specializing in complex criminal defense and regulatory matters . He has also been involved in several high-profile cases, including the defense of Martin Shkreli and Keith Raniere. In 2025, he gained significant public attention as the lead defense attorney for music mogul Sean “Diddy” Combs in a federal trial involving charges of sex trafficking and racketeering. Agnifilo’s strategic defense led to Combs’s acquittal on the most serious charges, though he was convicted on two lesser counts of transportation for prostitution.
Early Life and Education
Birth and Family Background
Marc Agnifilo was born on August 10, 1964, in the Bronx, New York. Growing up in a family that valued education and public service, Agnifilo developed an early interest in law and justice.
Academic Journey
Agnifilo pursued higher education at Connecticut College, where he earned a Bachelor of Arts degree in Philosophy and Political Science in 1986. He then attended Brooklyn Law School, graduating in 1990. During his time at law school, he co-chaired the Moot Court Honor Society and received the American Jurisprudence Award for his exceptional performance in Trial Advocacy.
Professional Career
Early Legal Experience
After completing his education, Agnifilo began his legal career as an Assistant United States Attorney in the District of New Jersey. From 1998 to 2006, he supervised investigations into a range of serious crimes, including murder, money laundering, conspiracy, extortion, and drug trafficking. He also worked on the organized crime task force, gaining valuable experience in handling complex criminal cases.
Transition to Private Practice
In 2006, Agnifilo transitioned to private practice, joining the firm of renowned New York criminal defense attorney Benjamin Brafman. There, he honed his skills in defending high-profile clients against serious charges. In 2023, he founded Agnifilo Intrater LLP, a law firm specializing in complex criminal defense and regulatory matters.
Areas of Expertise
Throughout his career, Agnifilo has handled a diverse range of cases, including securities fraud, racketeering, international arms trafficking, and financial crimes. He has represented clients in both federal and state courts across the United States and internationally, demonstrating his versatility and expertise in criminal defense.
Notable Cases
1. Martin Shkreli
Agnifilo represented Martin Shkreli, the former pharmaceutical executive known as “Pharma Bro,” during his securities fraud trial. While Shkreli was convicted on three charges and acquitted on five, Agnifilo’s defense strategy was instrumental in securing the acquittals.
2. Keith Raniere (NXIVM)
Agnifilo defended Keith Raniere, the leader of the NXIVM cult, against charges of sex trafficking and racketeering. Despite Raniere’s conviction, Agnifilo’s defense approach was noted for its thoroughness and commitment to his client’s rights.
3. Sean “Diddy” Combs
In 2025, Agnifilo served as the lead defense attorney for music mogul Sean “Diddy” Combs in a high-profile federal trial involving charges of sex trafficking and racketeering. Agnifilo’s strategic defense led to Combs’s acquittal on the most serious charges, though he was convicted on two lesser counts of transportation for prostitution.
Personal Life
Family
Marc Agnifilo is married to Karen Friedman Agnifilo, a former Chief Assistant District Attorney in Manhattan and a legal commentator. The couple has three adult children. Their twin daughters’ interest in the Black Lives Matter movement has influenced Agnifilo’s views on criminal justice reform.
Interests and Advocacy
Outside of his legal practice, Agnifilo is an advocate for criminal justice reform, particularly in areas related to sentencing and rehabilitation. He is also involved in various charitable endeavors, supporting initiatives that promote education and public service.
Conclusion
Marc Agnifilo’s career is a testament to his dedication to justice and his clients. With a reputation for handling complex and high-profile cases, he continues to be a prominent figure in the legal community. His strategic approach and commitment to defending the rights of the accused have earned him respect and recognition in the field of criminal defense.
FAQs
What is Marc Agnifilo’s date of birth?
August 10, 1964.
Where did Marc Agnifilo receive his education?
He earned his Bachelor of Arts from Connecticut College and his Juris Doctor from Brooklyn Law School.
What are some notable cases Marc Agnifilo has worked on?
He has represented clients in cases involving Martin Shkreli, Keith Raniere, and Sean “Diddy” Combs.
What is Marc Agnifilo’s role at Agnifilo Intrater LLP?
He is the founding partner of the firm.
Has Marc Agnifilo been involved in international cases?
Yes, he has represented clients in countries such as Italy, Switzerland, Romania, Bulgaria, and Kyrgyzstan.
What is Marc Agnifilo’s approach to criminal defense?
He is known for his strategic defense and commitment to his clients’ rights.
Is Marc Agnifilo involved in any charitable activities?
Yes, he supports initiatives that promote education and public service.
What is Marc Agnifilo’s reputation in the legal community?
He is highly respected for his experience and success in handling complex cases.
Has Marc Agnifilo received any awards or recognitions?
He received the American Jurisprudence Award for outstanding performance in Trial Advocacy during law school.