San Diego

John Hemmerling

Assistant City Attorney

Photo of John Hemmerling

John Hemmerling began his career in the City Attorney'’s Office as a criminal prosecutor, serving in the General Trial and Appellate Units. He then transferred to the Civil Division where he advised Neighborhood Code Compliance and served eight years as legal advisor to the Chief of Police. Most recently, Mr. Hemmerling has been Chief Deputy of the Public Safety, Labor and Employment Unit. Mr. Hemmerling is also one of three deputies assigned to the City Attorney’'s Crisis Response Team that advises key city leaders at the City Emergency Operations Center during critical incidents. Additionally, Mr. Hemmerling has sat on the dais with the City Council representing our Office.

Prior to the City Attorney'’s Office, Mr. Hemmerling served as a San Diego Police Officer for eight and a half years, receiving a Commanding Officer'’s Citation and two Life Saving Citations. Mr. Hemmerling'’s assignments gave him extensive experience in investigations, gangs and narcotics. He was certified as a Field Training Officer, responsible for supervising and developing police academy trainees for duty as police officers.

In addition to almost 23 years of dedicated City service, Mr. Hemmerling retired in 2014 from the Marine Corps Reserve, completing 30 years of faithful service to our country. He rose to the rank of Colonel in his three decade career, including active service in the Gulf War and the War in Iraq.

Mr. Hemmerling graduated from the University of Central Missouri and earned his Juris Doctor degree from the University of San Diego.