Marc J. Dombrowski, EA specializes in IRS/State Collections Cases, settlements with the IRS, Tax Lien Releases and Corporate Officer Assessments. He has lectured since 1994 on advanced collection topics.As an Enrolled Agent, he is licensed to practice before the IRS in all 50 states. He is a former contributor to CNBC, the NAEA's EA Journal and the Wall Street Journal. He is a Level II, Level III and Graduate Level instructor with the National Tax Practice Institute. In addition to several Chapter EA speaking engagements, he has spoken for the NYS Society of EA's, Florida EA Society, Missouri Society, NJ Society, Utah EA Society and the Ohio EA Society's Annual Convention(s). Through his extensive national experience solving a variety of business & personal tax and debt problems, Marc has gained experience in resolutions to fit any situation. “There is no problem, big or small, that cannot be resolved; there is always a light at the end of the tunnel, just take the time to talk to me about it.”Marc is a graduate Fellow of the National Tax Practice Institute and a member of the National Society of Enrolled Agents. Many of his national fellow practitioners call on him for his knowledge and request that he speak at various Chapter meetings across the country.

Mike has been in the tax business for over 40 years. He began working in IRScollection and then as an Office Auditor. This included temporary assignments to theAtlanta Service Center, Review Staff, and a Revenue Agent Class Instructorassignment. Upon leaving the service, he received his EA in 1989. He then worked fora tax attorney and estate planning firm before starting his own tax company in 2001.That company, Garrison Tax, has an office in Lawrenceville, GA. He currently serves onthe board of the NATP’s Georgia State Chapter.

Michael R. Miranda is the owner of MIRANDA CPA & Consulting LLC, based in Sioux Falls, South Dakota. With more than 49 years of experience, Michael specializes in tax consulting, estate planning, and employee benefits, serving clients with complex needs and representing them before governmental agencies. His practice focuses on niche areas of tax law and strategic planning, and he maintains an active national speaking schedule on topics including tax law, estate planning, and employee benefit strategies.

Michael serves on the Board of Directors for National Advisor Trust Companies of Kansas and South Dakota. He holds multiple professional designations: CPA, QKA and NQPA (Qualified Plan Administration), and AEP (Accredited Estate Planner). His professional affiliations include the AICPA, South Dakota CPA Society, ASPPA, NAEA, NATP, and NAEPC.

Prior to founding his firm in 2017, Michael was a senior manager and shareholder at a regional CPA firm in Northwestern Iowa for 27 years. Earlier in his career, he worked as a Tax Specialist with a Big Eight accounting firm in South Bend and Minneapolis, advising individuals and small to mid-sized businesses on tax and estate planning. Michael resides in Sioux Falls with his wife, Jeanette.

A former IRS trial attorney, Mr. Richards has been solving tax problems for over 20 years. He is a parter at Greenspoon Marder, an AmLaw 200 law firm, an adjunct professor of law, and an expert to the cannabis industry and in IRC Section 280E matters.

Paul is an expert on determining Reasonable Compensation forclosely-held business owners. He’s educated more than 100,000 financialprofessionals on the topic and has been published in numerous national andstate journals. When he isn’t in the office, he enjoys spending time with hiswife and chocolate lab, hiking Colorado’s back country or paddling its sceniclakes and rivers.

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Portia Vogt is the Managing Partner of Twin Cities Tax in Prior Lake, MN. She focuses on Representationand Small Business tax clients. Twin Cities Tax has 4 employees, all of whom work most hours from their own locations remotely coordinating. Her practice has been able to deploy new technology due in part that her spouse, Michael Vogt, PhD specializes in artificial intelligences. Portia’s own degrees are in Business and Communications from Augsburg University, in Minneapolis. She is an Enrolled Agent and NTPI Fellow. Portia and her husband, Michael, have five adult children. Three sons’ serve in the Military and their two daughters both work in the entertainment & travel industry. Portia and Michael believe that professional education is key to achieving the American Dream and bothhave been sought out to teach in their fields. Portia loves to travel, motorcycling ,gardening, scuba diving and enjoys getting in exercise most days.

Randy manages two accounting offices near Des Moines, IA. He has been preparing taxes since 1992. He really enjoys meeting with fellow tax preparers and has traveled to many states as a tax instructor. When not working with clients or out on the road instructing, he enjoys hiking in the National Parks or exploring the bike trails in the Midwest.

Rita Ryan is the Founder of RRITS and a seasoned Tax Attorney with more than 18 years of experience advising clients on cross-border personal/business taxation, international investment structuring, multi-jurisdictional estate planning, and U.S. tax compliance obligations arising from global activities and holdings. She is widely regarded for her ability to navigate complex international tax regimes and translate evolving regulatory requirements into practical, strategic guidance.

In addition to her client-facing work, Rita serves as a trusted advisor to fellow tax professionals, providing specialized support in identifying international reporting obligations, advising on complex filings, and reviewing workpapers and forms to ensure technical accuracy in an increasingly dynamic international compliance environment.

Prior to founding RRITS, Rita served as Chief Financial Officer and Head of Private Client Services at M+, where she focused on integrated tax, business, and wealth preservation planning for high-net-worth business owners and their families. Earlier in her career, she founded and led Wolf & Co.’s International Tax Services Practice, advising both individuals and entities on the tax planning and compliance aspects of international ownership structures. Rita began her legal career in private practice as an Associate Attorney at Vacovec, Mayotte & Singer, LLP, concentrating on international and domestic taxation, estate planning, and tax controversy matters.

Rita is also an Adjunct Professor in the Graduate Tax Program at Boston University School of Law, where she co-founded and co-teaches the course Foreign Information Reporting and Withholding. In addition, she regularly teaches advanced international tax topics for Tax Practice Pros, LumiQ, and the National Association of Enrolled Agents, contributing to the education of practitioners nationwide.

Robert is an associate attorney with two years of tax controversy experience at both Frost Law and the University of Baltimore Low-Income Taxpayer Clinic. Robert is active in the Maryland tax community, serving a year term as the student liaison to the MSBA Taxation Council. During that time Robert served as co-editor of Maryland Taxes, helping launch the publication in its current digital format. Since then Robert has also co-authored the current version of the Maryland Tax Practitioner's Handbook. In addition to his work, Robert is an active member of the Annapolis community who enjoys fishing, boating, and everything the Chesapeake Bay has to offer.

Bob Kerr has spent his entire career focused on tax administration. Over the course of a dozen years at the Internal Revenue Service he held a variety of positions, largely in compliance and technology research. He served in a professional staff position on the U.S. Senate Finance Committee under the leadership of then-Chairman Charles E. Grassley, where he focused his efforts on IRS oversight. Bob also held senior leadership and/or policy positions at the National Association of Enrolled Agents (NAEA), a professional association of tax practitioners, including as senior director of government relations, where he worked with IRS leadership and the Hill on a range of emerging pre-filing, filing, and post-filing issues.

Bob is now principal of his own firm, Kerr Consulting LLC, which allows him to serve as a tax administration, tax policy, and public policy thought partner to his individual clients and pursue a long-held interest in education, public speaking, and tax preparation. He is often quoted in the tax press and has recently been published in Tax Notes Today and Bloomberg Tax Insights. In 2026, Bob started volunteering in IRS’ Volunteer Income Tax Assistance (VITA) program.

He is an enrolled agent and holds an MBA from Case Western Reserve University and a BA degree in finance from Mount Union College, both in his home state of Ohio.