Our Team of
Tax Professionals
We’re a team of experienced tax professionals dedicated to providing expert services. Get to know the faces behind Anthem Tax Services, helping individuals and businesses navigate complex tax laws.
Anna Phan
Attorney
Anna Phan is a seasoned tax attorney and accounting professional. She excels in navigating the complexities of personal tax law, tax resolution, and tax debt negotiation. Prior to focusing on tax law, she served as legal counsel for major banks where she helped her clients settle in debt collection delinquencies and disputes.
Ms .Phan has over a decade of high-stakes negotiation experience, focused in representing clients in tax controversy against the IRS and Tax Courts across the United States.
After receiving her Bachelor of Arts Degree in Criminal Law and a minor in Accounting from California State University, Fullerton, Anna began her law career at the University of San Diego School of Law, then obtaining her degree from Trinity Law School.
Billy Fauller, III
EA, CTRS, NTPI
Billy is a licensed Enrolled Agent, Certified Tax Resolution Specialist, and National Tax Practice Institute Fellow. Providing regular instruction for the staff at ATS and national seminars,
Billy is recognized nationwide for speaking about tax issues.
After operating as an IRS Revenue Officer for eight years, Billy’ focus has been 100% focused on IRS representation and tax problem solving and specializing in collection cases and negotiations with Revenue Officers.
Billy Fauller, III
EA, CTRS, NTPI
Billy is a licensed Enrolled Agent, Certified Tax Resolution Specialist, and National Tax Practice Institute Fellow. Providing regular instruction for the staff at ATS and national seminars,
Billy is recognized nationwide for speaking about tax issues.
After operating as an IRS Revenue Officer for eight years, Billy’ focus has been 100% focused on IRS representation and tax problem solving and specializing in collection cases and negotiations with Revenue Officers.
Ken Bruns
Tax Attorney
Ken is a practicing Attorney who has been specializing in tax for over a decade. After graduating from law school in Chicago, Ken began his career working for the Chicago-Kent College of Law’s Low Income Taxpayer Clinic, where he helped low-income taxpayers resolve their IRS issues, then for the United States Treasury’s Office of Chief Counsel at the IRS’ Tax Exempt & Government Entities Division (TEGE).
Since then, Ken has devoted his experience to tax relief, helping tax companies grow by representing their clients before the IRS and relentlessly advocating for taxpayer rights.
Mario Marcel
CPA
Mario, Anthem’s Lead Tax Preparer, was born and raised in Boston, MA. He earned his bachelor’s degree in accounting from Suffolk University’s School of Management, then obtained his CPA license after relocating to Los Angeles, CA.
Over the last 20 years, Mario’s tax career covered various industries including healthcare, banking, entertainment, and manufacturing. He has also founded and managed a home-based accounting and tax practice, catering to small businesses. Prior to joining Anthem, Mario served as a Senior Lead Tax Expert for Intuit.
At Anthem, Mario leverages his broad expertise and industry experience to deliver exceptional consultations and results.
Mario Marcel
CPA
Mario, Anthem’s Lead Tax Preparer, was born and raised in Boston, MA. He earned his bachelor’s degree in accounting from Suffolk University’s School of Management, then obtained his CPA license after relocating to Los Angeles, CA.
Over the last 20 years, Mario’s tax career covered various industries including healthcare, banking, entertainment, and manufacturing. He has also founded and managed a home-based accounting and tax practice, catering to small businesses. Prior to joining Anthem, Mario served as a Senior Lead Tax Expert for Intuit.
At Anthem, Mario leverages his broad expertise and industry experience to deliver exceptional consultations and results.
Melissa Northrup
Enrolled Agent
Melissa “Mel” Northrup is licensed Enrolled Agent, specializing in IRS and State Tax Resolution. Preparing Income Tax Returns for over 20 years, Mel found her niche in 2012 by helping taxpayers resolve their complex tax issues.
Prior to joining the Anthem Tax Services team, Mel operated a small tax practice of her own for 15 years, and currently serves on the board of the Orange County Chapter of California Society of Tax Consultants.