Diamond Bar Tax Lawyers

Richard E. Masson focuses his practice in the areas of Estate Planning, Family Law and Probate. Mr. Masson’s specialized knowledge and expertise in family law, estate planning and tax provides an edge for his clients in that he is uniquely able to attack an issue from all angles which creates better opportunities and advantages for those he represents. Moreover, and more importantly, Mr. Masson understands the emotional and complex nature of his clients needs and goals in order to ensure them the best result possible.

Mr. Masson has been duly recognized for his outstanding work and numerous accomplishments as a family...

Paul McCullum is a hands-on consumer bankruptcy and is a tax attorney with a focus on both strategic tax planning and tax controversy. He is a zealous advocate for his clients in resolution of matters against the IRS, FTB, and for debt workouts with various creditors. With an extensive business background, he enjoys helping clients come out of bankruptcy with not only a fresh start, but a clear plan going forward. He has a special focus on tax planning for troubled borrowers in and out of the bankruptcy setting. Paul has specialized in bankruptcy law since he was a...

Justin Clement is the Lead Tax Attorney at Optima Tax Relief, LLC located in Santa Ana, CA. He has clerked for Tax Commissioner Frank Scharaffa at the Massachusetts Appellate Tax Board and interned at the Low Income Tax Clinic at the University of San Diego School of Law where he earned his LL.M. degree in Taxation. Justin currently supervises a team of 12 tax professionals, including tax attorneys and enrolled agents, providing representation before the IRS and various state revenue agencies. He is licensed to practice law before the Supreme Court of the State of California and the United States...

Kevin G. Staker, the principal attorney in the firm, received his Juris Doctor degree from the University of Utah College of Law, and his Master of Laws (LL.M.) in Taxation degree from New York University School of Law. Kevin is the founder of the Planned Giving Council of Ventura County. Kevin has three times been a member of the Board of the Ventura County Bar Association, and was the chair of its annual dinner committee 14 of 15 years. Kevin Staker is a member of the Board, and was President for 2016 and the latter part of 2022, of Ventura...

Nikki Semanchik is the Founding Attorney of Semanchik Law Group. Nikki started out her legal career advising small businesses and individuals in need of estate planning. An interest in international law and her background in immigration led her to represent multi-national high-net worth individuals with business law, asset protection and tax planning. After assisting clients with tax planning through the formation of private foundations and charitable trusts, Nikki found herself drawn to nonprofit law. She now assists nonprofit organizations with formation, compliance and governance.

Nikki is passionate about nonprofit law and enjoys speaking about nonprofit formation and compliance. Her most recent...

As managing partner of Sage Law Firm, Dean delivers comprehensive counsel with a focus on tax controversy, business consulting, and nonprofit matters. With his extensive experience, Dean offers clients tailored tax and business solutions to address their unique needs. Dean is dedicated to guiding clients throughout their business journey, from entity formation to dissolution, ensuring they are positioned for success at every stage. Dean’s proficiency in resolving tax matters spans a broad spectrum as he has worked with both individuals and corporate clients. He routinely represents clients before the IRS and state taxation agencies and has counseled clients in sales tax...

Principal Owner
Jack E. Stephens J.D., LL.M. has been practicing law in San Diego since 1990, helping thousands of taxpayers reduce taxes and homeowners protect their property with Trust strategies. Jack Stephens has been designated as Top Lawyer by San Diego Magazine, Best of the Bar, and Avvo on a consistent basis. He has received annual awards including the AV Preeminent Attorney Rating by Martindell-Hubbell, representing the highest possible rating in both legal ability and ethical standards. As an active contributor to continuing education in Estate Planning, Jack Stephens has authored and edited quarterly newsletters, pamphlets, and contributed articles to the...