About Mr Ronson Joseph

Ronson Joseph Shamoun is a licensed attorney admitted to practice law in the State of California. He was admitted to the California State Bar in 2003. His license is currently in active status. Mr. Shamoun is the founder and CEO of RJS LAW, a tax law firm located in San Diego, California. He has been practicing law for over 20 years, focusing on federal and state taxation matters, including criminal tax defense, tax controversy, international tax, and estate planning. ([apps.calbar.ca.gov](https://apps.calbar.ca.gov/attorney/Licensee/Detail/226178?utm_source=openai))

Mr. Shamoun earned his Bachelor of Arts in Accountancy from the University of San Diego in 1998. He then obtained his Juris Doctor from the University of San Diego School of Law in 2002. Following his law degree, he completed a Master of Laws in Taxation at the same institution in 2003. ([aolpsymposium.org](https://www.aolpsymposium.org/ronson-shamoun?utm_source=openai))

Throughout his career, Mr. Shamoun has represented individuals and businesses before the Internal Revenue Service (IRS), the Franchise Tax Board (FTB), the Employment Development Department (EDD), and the California Department of Tax and Fee Administration (CDTFA). His practice encompasses all stages of litigation, including initial case evaluation, discovery, mediation, settlement negotiations, and trial proceedings in both state and federal courts. ([aolpsymposium.org](https://www.aolpsymposium.org/ronson-shamoun?utm_source=openai))

Mr. Shamoun has been recognized for his contributions to the legal field, including being named one of San Diego’s Top Attorneys for 2022 and 2023 by San Diego Metro Magazine. He has also been selected as a Super Lawyer from 2019 to 2026. In 2021, he received the University of San Diego Mother Rosalie Clifton Hill Award, and in 2023, he was recognized as one of the Top 100 Leaders in Law by the San Diego Business Journal. ([aolpsymposium.org](https://www.aolpsymposium.org/ronson-shamoun?utm_source=openai))

Mr. Shamoun is an active member of the San Diego community, contributing to various charitable organizations such as the Girl Scouts, Susan G. Komen, United Way San Diego, American Diabetes Association, Rady’s Children Hospital Foundation, St. Theresa Academy, and St. Peter Chaldean Catholic Cathedral. He has also been involved in local business ventures, including owning Café Bella, a coffee shop in Ocean Beach, California. ([aolpsymposium.org](https://www.aolpsymposium.org/ronson-shamoun?utm_source=openai))

Education

University of San Diego School of Law

LL.M. | Tax

2003

Univ of San Diego

Undergraduate Degree

Univ of San Diego School of Law

Law Degree

Accepted Jurisdictions

California

Court Admissions

U.S. District Court for the Southern District of California U.S. District Court · Admitted 2003
U.S. Court of Appeals for the Ninth Circuit U.S. Circuit Court · Admitted 2003

Types of Cases Handled

criminal tax defense tax controversy international tax estate planning

Legal Services Scope

Hearings Appeals Litigation Negotiations Trials

Office Locations

Main Office

 406 9th Ave Suite 212 San Diego CA 92101