Mark William Geller

Mark William Geller

5.0
Rating: 7.2

Licensed for 30 years

Criminal defense Lawyer at Irvine, CA
Practice Areas: Criminal Defense, Domestic Violence

900 Roosevelt, Irvine, CA

About Mark

Biography

Practice Areas

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Licenses

Licensed in California for 30 years

State: California

Acquired: 1995

Active

No misconduct found

Location

Law Office of Michael Fell

900 Roosevelt, Irvine, CA, 92620-3664

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Mark William Geller's Reviews

Avvo Review Score

5.0 /5.0

35 Client Reviews

Filter Avvo Reviews (35) Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.

Showing 6 - 10 of 23 reviews | Case Results

Posted by DT | December 08, 2025 | Hired Attorney

Lawyer who truly shows up

When the unthinkable happened and I was booked on a wrongfully accused serious charge, Mark stepped in with a calm presence, clarity, and real compassion. From our very first conversation, he helped me understand what was happening, what mattered, and what didn’t. He didn’t just give legal advice, he... helped me steady myself when I was overwhelmed trying to mitigate the ramifications of such an event. He was steady, thoughtful, and incredibly responsive. He walked me through each step, explained the process in plain language, and never once made me feel rushed or dismissed (I had a LOT of questions). I always felt like he genuinely cared about the outcome and about me as a person. What really stood out was his ability to engage with the District Attorney and guide the situation, pushed back on assumptions, and let the truth prevaol. His approach was quiet, strategic, and effective as ultimately the DA declined to file any charges, and I was able to move forward with my life, my name, and my future intact. I didn’t think that was possible at the start, but his work made it happen within days. Mark didn’t just handle a legal matter, he helped me through one of the hardest moments of my life and gave me a chance to breathe again. If you ever find yourself in a situation that feels bigger than you or overwhelming to navigate, he is someone you want in your corner. I’m genuinely grateful for his help.

Posted by anonymous | August 16, 2025 | Hired Attorney

He’s not just your lawyer. He’s your leverage.

Mark Geller is exactly the kind of attorney you hope you’ll never need, but feel incredibly lucky to find if you do. I recommend him without hesitation. From our first call, he was sharp, measured, and entirely unshaken. He immediately understood both the legal and reputational implications of my ...situation and moved swiftly to present a compelling case to the City Attorney. His proactive strategy neutralized the risk and shifted the entire trajectory of this matter - and quite frankly, my life). Because of his judgment, reputation, and the respect he commands, the City Attorney declined to file charges. I put my career and reputation in his hands. He protected both with ruthless clarity. If you’re facing reputational or professional exposure, retain him.

Posted by anonymous | June 06, 2025 | Hired Attorney

Thank you Mark!!! Highly Reccomend

Mark was very knowledgeable, proactive, and responsive. I would highly reccomend Mark as he leveraged his experience and relationships to help me avoid prosecution. I can’t thank him and his team enough.

Posted by YOKO | May 06, 2025 | Hired Attorney

DV, Child Endangerment, and Battery case in OC - all dismissed!!

I highly recommend Mark Galler as a defense attorney. He successfully negotiated probation with a promise of dismissal for all three charges—Domestic Violence, Child Endangerment, and Battery—upon completion of a 52-week batterer's program and twice-weekly AA sessions. Throughout the process, he repr...esented me at every progress check-in hearing, making it so that I only needed to attend the final hearing. Mark is straightforward, honest, and never overpromises. If you're looking for a lawyer who operates more like a strategic partner, he absolutely delivers that impression. While he shows a fair amount of sympathy, he remains highly professional—focusing on results rather than emotional support. He values efficiency and won’t waste your time (or money) acting as a therapist. His approach is neutral, professional, and exceptionally clear. If you're in a high-stress situation and need reliable legal guidance, Mark provides thorough, detailed answers, giving you a strong understanding of what he will handle and what you need to do to ensure the best outcome. Highly recommended.

Posted by Mindy | May 06, 2025 | Hired Attorney

expertise and dedication and caring

We’re incredibly grateful for the outstanding legal support we received from Mark for our son’s case. From the beginning, he was professional, responsive, and genuinely caring. He took the time to explain every step of the process and answered all our questions with patience and clarity. We initia...lly used another lawyer, but she didn’t listen to us. When we texted or emailed her, she rarely responded. We felt she wasn’t on the same page with us, and when we asked questions, her answers were vague, which left us frustrated. As parents, we were new to this situation and had no experience handling a case like this. Since the first lawyer didn’t work out, we reached out to Mark. Even though we weren’t his clients yet, he immediately gave us hope during that first phone conversation. He took the time to review our son’s case and offered helpful advice. We had a strong feeling he was the right lawyer for us, so we transferred the case to him. Mark always responded to us promptly—by text or email—and truly understood us as parents. He supported what we believed in and even provided emotional reassurance, which most lawyers don’t. Thanks to his expertise and dedication, our son’s case was dismissed early—something we never thought would be possible. Mark Geller made a very difficult situation more manageable, and we always felt like we were in good hands. We highly recommend him to anyone in need of a knowledgeable and compassionate attorney.

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Experience

Rating:  7.2 (Very Good)

Work Experience

2021 - Present

Attorney, LAW OFFICE OF MICHAEL L. FELL

1995 - 2021

Deputy District Attorney, Orange County District Attorney

Education

N/A

Western State University College of Law

Languages

English

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Avvo Rating Levels
10.0 - 9.0 Superb8.9 - 8.0 Excellent7.9 - 7.0 Very Good6.9 - 6.0 Good5.9 - 5.0 Average4.9 - 4.0 Concern3.9 - 3.0 Caution2.9 - 2.0 Strong Caution1.9 - 1.0 Extreme Caution