Tressler LLP Launches San Francisco and San Diego Offices

Tressler LLP Launches San Francisco and San Diego Offices

  • Mar 24, 2025, 04:17 PM

Tressler LLP New San Francisco Team

Tressler LLP is proud to announce the opening of the firm’s new San Francisco and San Diego offices. Seven experienced attorneys, Joseph J. Minioza, Christopher J. Hogan, Greg A. Mase, Rena G. Sera, Jason Ketchum, Leila Morshed Mohseni and Astrid Chim Villagran, Paralegal Samantha Newton and Senior Litigation Secretary Desiree Parkinson have joined Tressler to launch the new Northern California location. The firm also opened a new location in San Diego and now has four offices serving the state of California: San Francisco, Los Angeles, Orange County and San Diego.

Joseph J. (“J.J.”) Minioza is the Managing Partner of Tressler’s new San Francisco office. Mr. Minioza’s team is well known for maintaining a winning record in litigation defense work covering a wide range of areas, including general liability, breach of habitability, products liability, employment law and appellate matters.

“We are proud to join Tressler and expand the firm’s presence in California,” said Mr. Minioza. “Tressler’s personalized, collaborative approach to legal support and responsive service will benefit our clients throughout the country. We look forward to growing our team and continuing our stellar record of success in this new office.”

Founded in Chicago in 1986, Tressler LLP continues to expand throughout the country. The firm now has 10 offices in six states and plans to continue opening offices in new regions to support the rapid growth of its dedicated client base.

“We are thrilled to welcome this impressive group of attorneys and their clients to the firm,” said Todd S. Schenk, Partner and Member of Tressler's Executive Committee. “Our shared practice areas, culture and goals make this an exciting move for everyone. We look forward to achieving new milestones throughout the West Coast.

Learn more about the award-winning legal team joining Tressler LLP in California: 

Joseph Minioza
Joseph J. Minioza -
Managing Partner, San Francisco Office

Joseph J. (“J.J.”) Minioza is the Managing Partner of Tressler’s San Francisco office. He brings over 27 years of experience and exceptional client service to the firm. J.J.’s practice focuses on general liability, personal injury, habitability, employment, D&O, E&O and HOA cases. He has tried 40 trials to verdict in every county in the San Francisco Bay Area with a 98% success rate. J.J.’s trials have included real estate, products liability, habitability, personal injury, employment, breach of contract and construction defect cases.

Hogan, Christopher
Christopher J. Hogan - Partner, San Francisco Office

Christopher J. Hogan is a partner in Tressler’s San Francisco office. He is a strategic and accomplished attorney with over 27 years of experience delivering solid settlement and trial results for both corporate and individual clients. Chris is an adept researcher with a proven record of navigating highly nuanced and complex cases to achieve favorable results. He has demonstrated success in a wide variety of business disputes, insurance matters, real estate matters, employment/discrimination and general liability cases.

mase-gregory
Greg A. Mase - Senior Counsel, San Francisco Office

Greg A. Mase is senior counsel in Tressler's San Francisco office and a member of the firm’s Litigation Practice Group. Greg brings 31 years of experience to the firm. His practice focuses primarily on preparing, opposing and arguing dispositive motions in high-stakes cases while maintaining a winning record. Greg has also briefed and argued numerous appeals in the California Courts of Appeal and the United States Court of Appeals for the Ninth Circuit.

sera-rena
Rena G. Sera - Senior Counsel, San Francisco Office

Rena G. Sera is senior counsel in Tressler’s Northern California office and a member of the firm’s Litigation Practice Group. Her practice includes defending premises liability and habitability matters as well as employment discrimination, medical malpractice, construction defect and other general liability matters. Rena has extensive experience handling cases through trial preparation. She has experience with percipient and expert depositions, court appearances, pre-trial motions, propounding and responding to discovery, budgeting, client reporting and creating litigation plans.  Prior to becoming an attorney, Rena worked as a certified paralegal for five years.

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Jason Ketchum - Associate, San Francisco Office

Jason Ketchum is an associate in Tressler's Litigation Practice Group in our San Francisco office. He has experience in insurance defense, personal injury, landlord-tenant disputes, employment law, products liability and professional liability. Most recently, Jason has been involved in the defense of several cases involving habitability defects, slip and falls, dog bites and motor vehicle accidents. He has extensive legal research and writing experience, having worked as an extern and clerk in several state and federal courts in Ohio and California, including the criminal division of the San Francisco Superior Court. Jason has drafted judicial orders involving petitions for writs of habeas corpus, pretrial motions to dismiss, motions for a new trial and more.

Morshed Mohseni-Leila
Leila Morshed Mohseni - Associate, San Francisco Office

Leila Morshed Mohseni is an associate in Tressler’s San Francisco office and a member of the firm’s Litigation Practice Group. Leila focuses her practice on general liability litigation and providing creative, cost-effective results for her clients.

astrid-villagran
Astrid Chim Villagran - Associate, San Francisco Office

Astrid Chim Villagran is an associate in Tressler’s San Francisco office and a member of the firm’s Litigation Practice Group. Astrid focuses her practice on premises liability and habitability law, as well as employment discrimination, medical malpractice, construction defects and other general liability issues. Before she became an attorney, she built a strong background in finance and technology, spending four years specializing in fraud analysis and investigations. Astrid’s diverse experience allows her to bring a unique combination of financial insight and legal skill to her practice.

Newton-Samantha
Samantha Newton - Paralegal, San Francisco Office

Samantha Newton supports Tressler’s San Francisco office attorneys and brings more than 16 years of legal experience to the team. She is a dedicated and talented litigation paralegal and is known for her exceptional client service. Samantha earned her Bachelor of Arts in History at the University of California Santa Barbara.

Parkinson- Desiree
Desiree Parkinson - Senior Litigation Secretary, San Francisco Office

Desiree Parkinson is a senior litigation secretary in the San Francisco office. Desiree has been a legal secretary for over 28 years. She manages priorities for multiple high-profile attorneys with ease and maintains positive relationships with court officials, colleagues and law enforcement members. Desiree has worked for both plaintiff and defense firms with experience in insurance defense, brand protection and construction defect.


Tressler’s New San Diego, California Office

Tressler San Diego Office

Tressler is proud to offer expanded services for clients in the San Diego region. We have an excellent new office space for hosting depositions, client meetings and events in San Diego, located at 501 W Broadway, Suite 800, San Diego, CA 92101. While Tressler’s Los Angeles and Orange County offices have served Southern California for more than 30 years, this new San Diego location is a welcome addition for our growing list of clients throughout the state. The following Tressler partners serve the San Diego region: Bicvan Brown, Jeffrey M. Carson, Corey E. Krueger, Mohammed S. Mandegary, Linda Bondi Morrison, Joshua D. Mountain, Jennifer S. Perdigao, Karl P. Schlecht and Amy K. Sutter.


About Tressler LLP

Tressler LLP is an award-winning law firm with ten offices located in six states - California, Illinois, Missouri, New Jersey, New York and Pennsylvania. Trusted for more than 39 years, Tressler attorneys provide responsive client service and creative, cost-effective solutions for a wide range of legal matters. Our firm has significant depth and experience in the resolution of disputes through mediation, arbitration, litigation and trials. The majority of Tressler attorneys devote their practice to the representation of the insurance industry in coverage analysis and resolution, litigation, underwriting consultation, product development, claims management and reinsurance. In addition, Tressler attorneys represent clients in commercial litigation, defense litigation, corporate transactions, government law, employment law and litigation, intellectual property and condominium and common interest community association law. Tressler is a Certified Great Place to Work© in the U.S.A. 

For more information, please visit www.tresslerllp.com.

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