Judge Trentacosta is the Presiding Judge of the San Diego Superior Court. Formerly, he held multiple leadership positions within the court including: Assistant Presiding Judge, Supervising Criminal Judge and Supervising Judge of the South County Division.
- In January 2012, Judge Trentacosta was appointed by the Chief Justice of the California Supreme Court to the position of Vice-Chair of the Presiding Judges Advisory Committee, comprised of presiding judges from the 58 counties in the State of California.
- From 2010 to 2011, Judge Trentacosta served as the Chairperson of the statewide California Judges Association Judicial Ethics Committee.
- Formerly, Judge Trentacosta was the President of the Plaintiffs’ Trial Bar, the Consumer Attorneys of San Diego (2000)
- President of the San Diego Inn of Court, College of Advocacy (1997).
- Master in the Louis Welsh Inn of Court and Adjunct Professor of “Trial Practice” law at California Western Law School.
- Has taught trial and deposition techniques for CEB, the National Institute for Trial Advocacy and other Organizations and law schools.
- He was an instructor of Advanced Traffic Collision Investigation at the San Diego Police Academy from 1985 to 2000.
- He is a frequent guest lecturer for both State and local trial lawyer organizations.