David graduated from New York University as a University Scholar with a double major in Economics and Classics. He pursued his legal studies at Fordham University School of Law and upon his graduation passed the New York State Bar in 1987 (Massachusetts State Bar in 1988 and the California State Bar in 2005).For the past thirty years, he has been a prosecutor in New York, Massachusetts, and California, where he has handled a wide array of felony cases (Crimes against Police Officers).
For most of his career, he has been a use of force expert for various law enforcement and military agencies (state and federal) throughout the country (U.S. Drug Enforcement Administration, Federal Bureau of Investigation, U.S. Marine Corp, U.S. Department of the Army, U.S. Secret Service, New York Police Department, Massachusetts State Police, Boston Police Department, U.S.
Department of Homeland Security, U.S. Border Patrol, California Highway Patrol, California Department of Justice, Los Angeles County Sheriff’s Department, Los Angeles Police Department, San Diego County Sheriff’s Department, Riverside County Sheriff’s Department, San Bernardino Sheriff’s Department, Orange County Sheriff’s Department, Nevada State Police, Las Vegas Metro Police Department, San Francisco Police Department, Oakland Police Department, Washington State Police, Hawaii State Police, and many more agencies).
His area of expertise is in use of force by law enforcement personnel and police practices. He has taught defensive tactics and use of force throughout the world and is published on the topic.
David is also a sworn member of a large law enforcement agency where he oversees the defensive tactics training and use of force instruction. He continues his military service assigned to the Judge Advocate General’s Office. In addition, he is General Counsel for the California Narcotics Officers’ Association (C.N.O.A.) and the California Force Instructors’ Association (CalFIA). For the past forty years, he has trained in judo, aiki-jujitsu and kyokushin-kai karate. He holds a black belt rank in these disciplines.