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David Gammill is the founder of Gammill Law, based in Manhattan Beach, California, and a trusted advocate for injury victims and families seeking justice. With 17 years of courtroom experience, David brings a rare combination of trial skill, personal attention, and relentless advocacy to every case he takes.
Before founding Gammill Law, David served as a Los Angeles County prosecutor, gaining invaluable experience trying complex cases in front of juries — experience he now uses to stand up to insurance companies, corporations, and government entities on behalf of his clients.
Throughout his career, David has secured exceptional results, including a $21 million verdict in a wrongful death case and a $12 million verdict in a whistleblower retaliation case. His proven track record of results has earned him recognition as a Super Lawyer, an honor reserved for the top lawyers in California.
David graduated from the University of Notre Dame Law School and earned his undergraduate degree at Michigan State University. Today, he leads Gammill Law with a simple philosophy: Treat every client like family, prepare every case for trial, and never back down from a fight.
When clients choose Gammill Law, they get more than just legal representation — they get a partner who believes in them, fights for them, and delivers results when it matters most.
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State: Utah
Acquired: 2017
No misconduct found
State: California
Acquired: 2008
No misconduct found
Mobile
3820 Del Amo Boulevard, Suite 304, Torrance, CA, 90503
gammill.law/
Other places you can find David online.
20 Client Reviews
AI-summarized from Avvo client reviews
Showing 1 - 2 of 2 reviews | Cost of Services
Posted by Ebrahim | November 05, 2018 | Hired Attorney
trustworthy
David Helped me out a while back. He got the DA to give me an offer that didn't cost me my job. When i recently reached out on behalf of a family member who had an issue he spent about a half an hour speaking to me and then suggested we stick with the Public Defender. Meant a lot he didn't try to ...
Posted by JC | November 11, 2023 | Hired Attorney
Horrible Attorney
David Gammill did a terrible job as my attorney on a Civil case, when he was at Geragos & Geragos. He refused to do a prep session with me before the jury trial (and before I would go on the Stand); he lost all the important Motions in Limine at the beginning of trial; he did his prep for trial the n...
"David and I have worked together on a couple of civil rights cases. He has a remarkable presence in depositions, and is creative when it comes to solving legal issues. I am always impressed with his grasp of legal issues, and yet ability to find nuanced and artful ways to view difficult problems to find a solution for the client."
"I met David shortly after he began working at Geragos & Geragos. Not long after that, we spent five days together in a federal civil rights jury trial in Utah. David is one of the most remarkable trial lawyers I've had the pleasure of working with. He is smart, reasonable, and always very well prepared. David was able to pull off during that trial a truly "Perry Mason" moment that we all dream about-and he did it in a very classy way. The jury agreed and returned a verdict well beyond what either of us thought possible. Without reservation, I give David my highest recommendation."
"David has achieved national prominence for getting criminal cases dismissed and successfully winning subsequent civil rights cases. David is a fighter for both the individual and the community. Beyond the courtroom, David has sound judgement to achieve lasting results for all his clients."
"I have known David for many years professionally and highly endorse him. I would feel confident in referring clients to him, as he is an extremely intelligent lawyer and has the ability to think "outside the box" when the situation calls for it. David communicates well with his clients and fights hard for their best interests. David is a great choice for an attorney."
"I endorse this lawyer. I had the pleasure of referring a complicated matter to David recently. We worked together for many years as prosecutors and now in private practice I refer all high stakes litigation to him. David is in a unique position to take any case given his vast experience as both a prosecutor with the District Attorney and civil litigator working with Mark Geragos working on high profile matters. In the most recent case I referred him, David quickly knew the direction to take leading our client to a quick and efficient result. David is an experienced trial attorney and most importantly is very good and caring with his clients. I highly recommend this attorney."
"I have known David for 10 years. He is a very gifted, experienced trial attorney and an excellent advocate for his clients."
"David and I have known each other since law school. To this day, I've never seen a more talented lawyer in a courtroom."
"I worked with David as a prosecutor and have also witnessed his excellent work in his role as a civil rights attorney. David is exemplary in his treatment of his clients but also in his advocacy in the courtroom. I highly endorse David to anyone looking for an attorney who will fight for them."
"I had the pleasure of working with David on a highly complex case. He distinguishes himself as one of the finest practitioners in the field. One of the best cross examinations of a witness I've ever seen."
Personal injury lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
Criminal defense lawyer
2026
Super Lawyer, Super Lawyers
2019
Rising Star, Super Lawyers
2019
Super Lawyer, Super Lawyers
2018
Number 3 Verdict: Civil Rights 2017, TopVerdict.com
2014
Top Felony Trial Attorney, Los Angeles District Attorney’s Office
2009
New Trial Attorney of The Year, Orange County District Attorney’s Office
2018 - Present
Founding Partner & Trial Attorney, Gammill Law, APC
2015 - 2018
Lead Trial Attorney, Geragos & Geragos, APC
2009 - 2015
Trial Attorney, Los Angeles District Attorney's Office
2008 - 2009
Trial Attorney, Orange County District Attorney Office
2017 - Present
Salt Lake County Bar Association
2015 - Present
Consumer Attorneys Association of Los Angeles
2015 - Present
Consumer Attorneys of California
2008 - Present
Los Angeles County Bar Association
2008 - 2016
Association of Deputy District Attorneys
Plaintiff's Verdict
Plaintiff's verdict
2008
JD - Juris Doctor
2002
BA - Bachelor of Arts
2012
Cross Examination
2006
Spanish
Legal Answers
What can a Minor face for attempted murder charges In the state of California
09 Nov 2018
Can i get a wet reckless with a BAC of 0.08 with a felony child endangerment if the child endangerment could be dropped?
09 Nov 2018
My lawyer quit because I haven’t paid all of his retainer 2 days before a criminal trial. Can he do that?
12 Sep 2018