Shannon N. Wallen​

Associate

Office: (559) 223-0973

Licensed in California​​​

Jonathan Choi is a San Diego based litigation attorney with a focused background in business and real estate law. He received his JD from University of San Diego School of Law, and his undergraduate degree at the University of California, San Diego. He has litigated complex controversies throughout California and provided critical assistance to businesses clients and their endeavors nationwide.

Ms. Hoffman is a licensed California attorney dedicated to serving the community by providing high-quality legal representation. She has been admitted to practice before the to the State Bar of California, the United States District Court, Southern District of California and the United States District Court, Central District of California.

Ms. Hoffman earned her JD from Thomas Jefferson School of Law, and her undergraduate degree from Iowa State University. Prior to becoming an attorney she worked for ten years as a paralegal in California.


With over seventeen years of professional experience in the legal field, she has the qualifications necessary to effectively and passionately handle civil litigation matters, including personal injury, wrongful death, products liability, premises liability, contract disputes, construction defect, fraud, elder abuse, insurance defense, insurance coverage opinions, and general civil litigation.

​​​​​​Paul Vaillancourt

Of Counsel

Office: (415) 425-4979

Licensed in California

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Attorneys

Mario Hermosillo is a bi-lingual, Los Angeles based litigator with extensive experience working in the insurance defense sector. Mr. Hermosillo received his JD from the University of San Francisco School of Law, and his undergraduate degree from Chapman University.  His current practice areas include personal injury, catastrophic trucking, construction defect, and products liability. 

Mr. Wong is originally from the Bay Area, but hails from Los Angeles.  He graduated from U.C. Hastings College of the Law, with a focus on civil litigation.  His practice areas include construction defect litigation, and personal injury for both the prosecution and defense.

​​​​Jeremie J. Wattellier

Of Counsel

Office: (415) 622-7004

Licensed in New York

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Mr. Dang was formerly in-house counsel for a number of Silicon Valley start-ups and companies, such as IBM and CA Technologies.  He previously practiced as a corporate attorney with extensive experience in corporate and regulatory compliance, software and content/data licensing, brand and product marketing, intellectual property, and commercial transactions.  His background also includes data privacy and security, mergers and acquisitions, and product and business development.  Mr. Dang is licensed to practice in New York.

Super Lawyers

Hoa D. Dang

Of Counsel

Office: (415) 622-7004

Licensed in New York​​

​​​​​​Mario Hermosillo

Associate

Office: (562) 276-0156

Licensed in California

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Prior to the practice of law, Mr. Yuen served in the U.S. Air Force, worked in I.T. for 13 years, and served as the Intellectual Property Editor on Law Review. His practices encompasses business disputes/torts, catastrophic personal injury, construction defect, employment, insurance disputes, landlord/tenant, premises liability, product defect, professional liability cases, and transportation—as well as complex, mass torts, and class-action lawsuits—as he typically represents commercial, construction, insurance, and professional clients. Mr. Yuen's case history includes numerous successful trial and appellate results. Successful case results include: a jury verdict after an hour's deliberation; multiple summary judgment motions granted; a dismissal order during the initial pleading stage; non-suits following opening statements, and multiple jury verdicts and arbitration awards. From 2021 to 2023, he was selected to Super Lawyers, an exclusive list of top-rated attorneys who were chosen after thorough evaluation of numerous criteria.

Parabhjeet K. Dhanda​

Associate

Office: (415) 622-7004

Licensed in California​​​

"Prab" is a Northern California based attorney. She has experience in family law, insurance defense,  and personal injury matters, and represented commercial and residential landlords in both  transactional and litigation matters, including successfully prevailing on several unlawful detainer trails.

Mr. Wattellier has extensive experience in complex litigation, construction defect, toxic torts, and insurance defense.  He graduated from UCLA and UC Hastings College of the Law, and is fluent in French.  He is licensed to practice in New York.

​​Stephen Heath has handled the defense and prosecution of a wide variety of litigation, including construction, commercial trucking and commercial carrier accidents, property and liability, fiduciary and bond claims, excess and umbrella, floor plan and garage keepers, oil and gas, professional liability, entertainment, and coverage analysis. Before starting his firm, he practiced at an Am Law 100 firm.

Before beginning the active practice of law, he worked over 16 years in the insurance industry as an adjuster/supervisor. He also was involved in rewriting the rules for special arbitration used in inter-company disputes. Mr. Heath also supervised mold remediation programs in public schools and courthouses throughout Texas. He continues to present numerous contractual indemnity liability lecture programs for continuing education to insurance companies, TPAs, contractors, and construction companies. 

He is Oil Field Rig Certified through Texas A&M. This certification gives him special expertise in oil field production claims, including all aspects of storage, transport, pumping, and processing of crude oil. He is a two-time Travis Award Winner for his accomplishments in creating community support and participation in the United Way programs. During his studies at the University of Oklahoma, Mr. Heath served as an intern at the Oklahoma House of Representatives. He is an avid sportsman and guitar collector and enjoys spending time with his wife and two daughters at his home in San Francisco.

Sapphira W. Davis

Of Counsel

Office: (916) 258-2484

Licensed in California​​​

​​​​​​Melissa Hoffman

Of Counsel

Office: (415) 483-5108 

Licensed in California 

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Shannon is a Central Valley-based California native. She has worked in the legal field for over 15 years and obtained her JD from the San Joaquin College of Law. Her current areas of practice are construction defect and personal injury law.

Ms. Davis is an experienced civil litigation attorney.  Her prior experience includes work for an insurance defense firm in all areas of civil litigation on medical professional liability, premises liability, employment, and personal injury matters.  She has also worked as in house counsel on transactional contracts, compliance programs, and employment matters.  Finally, she has represented plaintiffs in personal injury matters.

Steven W. Yuen

Partner

​Office: (415) 622-7004

SYuen@heathandyuen.com

Licensed in California

​​Joshua G. Wong

Senior Associate
​Office: (415) 533-8261

​Licensed in California


Stephen B. Heath

Partner

 Cell: (415) 370-8985
​Office: (415) 622-7004

SHeath@heathandyuen.com
Licensed in California

A Bay Area native, Mr. Vaillancourt has accumulated extensive experience litigating throughout California in the fields of catastrophic malpractice, construction defect, insurance defense, personal injury, real estate, toxic torts, and trusts.

​​​​​​Jonathan Choi

Of Counsel

Office: (619) 738-4351

Licensed in California

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