Panelists

Moderator

Alan Pinck, EA
A. Pinck & Associates

Alan Pinck is an Enrolled Agent with over 30 years of tax preparation experience in the San Francisco Bay Area. He has built a practice specializing in individual, small business tax preparation and audit representation. You have seen Alan presenting at NTPI events, CSEA Super Seminar, Spidell Publishing as well as a variety of other presentations for tax groups and small business associations. Having represented thousands of tax returns in audit, Alan has obtained tremendous insight of the audit process as well as knowledge on a wide variety of tax issues.

Industry Panelists

Sharyn M. Fisk, JD, LL.M

Sharyn Fisk brings a wealth of experience from her recent role as Director of the Internal Revenue Service's Office of Professional Responsibility (2020-2025). In this capacity, she set and maintained professional standards for over 400,000 tax practitioners across the nation. Her leadership was also instrumental as the Director of the IRA Tax Provision Implementation Office, where she led the implementation of 34 tax provisions from the Inflation Reduction Act and CHIPS Act.

With over two decades of experience in tax law, Sharyn's career exemplifies the intersection of ethical practice and technical excellence. She began her journey as an attorney-advisor for Judge Maurice Foley at the United States Tax Court and later became a partner at the prestigious firm of Hochman, Salkin, Rettig, Toscher & Perez (Beverly Hills), where she represented hundreds of clients before the IRS, Department of Justice Tax Division, and state taxing authorities.

Sharyn has held numerous leadership positions in the tax community, including the Taxation Sections of the American Bar Association, California State Bar, the Los Angeles County Bar Association, and the Beverly Hills Bar Association. She served on the IRS Advisory Council from 2016 to 2019. She is a certified tax law specialist with the California State Bar and a Fellow of the American College of Tax Counsel. Her commitment to the profession extends to pro bono service, where she has trained military VITA volunteers, worked as an attorney-advisor for a LITC, directed Cal Poly Pomona’s VITA program, and assisted unrepresented taxpayers in the US Tax Court.

Currently, Sharyn is sharing her wealth of knowledge and experience as a Professor of Taxation at the College of Business Administration at Cal Poly Pomona. Sharyn holds an LL.M. in taxation from New York University School of Law, a J.D. from Rutgers University, and a B.A. in Journalism from San Diego State University.

Jennifer MacMillan, EA

Jennifer MacMillan, EA has been an Enrolled Agent since 1994, specializing in individual income tax preparation and representation services. She sold her tax practice in Santa Barbara, California in 2019 and is now semi-retired, living in Colorado.

A former Chair of The Internal Revenue Service Advisory Council (IRSAC), and past president of the California Society of Enrolled Agents (CSEA), Jennifer currently serves as the 2025-2026 President of the National Association of Enrolled Agents (NAEA).

Jennifer is a Fellow of the National Tax Practice Institute (NTPI®) and has taught a variety of tax topics, for NTPI, NAEA, CSEA, and Spidell Publishing over the years.

Susie DiMaggio, EA

Susie DiMaggio, EA, is a seasoned tax professional and business owner with nearly three decades of experience in tax preparation, representation, and client advocacy. An Enrolled Agent since 2006, Susie is federally licensed by the U.S. Department of the Treasury to represent taxpayers before all administrative levels of the Internal Revenue Service, including Examinations, Appeals, and Collections.

For the past decade, Susie has successfully operated her own tax resolution and preparation practice in Ventura, California, where she specializes in helping individuals and businesses resolve complex tax matters with skill and compassion. Prior to launching her firm, she spent 14 years honing her expertise in an established tax office, building a strong foundation in both compliance and representation.

Susie has served as President of the Channel Islands Chapter of the California Society of Enrolled Agents (CSEA) from 2020–2021, is the current Secretary of the National Association of Enrolled Agents (NAEA) and continues to contribute to the profession as a Director on the California Tax Education Council (CTEC) Board.

Known for her professionalism, integrity, and dedication to taxpayer advocacy, Susie is deeply committed to promoting the Enrolled Agent profession and ensuring ethical, effective tax representation for all clients.

Content Consultant

David F. Windish, J.D., LL.M
Content Consultant

David F. Windish, J.D., LL.M. in taxation, is a tax attorney and consultant. He has served as an instructor of tax-advantaged investments at the New York Institute of Finance; an Instructor of business law at the U.S. Merchant Marine Academy, Kings Point, N.Y.; and an adjunct professor at George Mason University, Fairfax, Va. He has also served as executive editor for Tax Analysts; managing editor for Business Strategies, published by CCH; and senior editor for the Institute for Business Planning.

Mr. Windish is the author of Practical Guide to Real Estate Taxation, published by CCH and currently going into its sixth edition. Earlier works include Tax Advantaged Investments and Investor's Guide to Limited Partnerships, both published by the New York Institute of Finance. Through the Center for Video Education, he authored continuing education courses dealing with real estate and closely held corporations. Those courses included readings, case studies, and videotape segments.

Mr. Windish is a graduate of Rutgers University Law School and the New York University School of Law, Graduate Division. He has been heard as a guest speaker at professional meetings and seminars and on popular radio programs.