On October 26, 27 & 28, join us in New York City for a three-day deep dive into the most essential, advanced, and rapidly evolving areas of international tax practice.

Now in its 13th year, the International Tax Conference brings together leading experts and practitioners for three days of in-depth learning on the most essential, advanced, and emerging issues in global taxation.
Attendees will gain practical, real-world strategies for navigating cross-border reporting, tax treaties, entity structures, foreign income, and complex compliance challenges. Whether you’re building foundational knowledge or sharpening high-level skills, this conference offers the guidance, tools, and insights you need to confidently support internationally engaged clients and stay ahead in a rapidly evolving field.
• Rita Ryan, JD, LL.M | Founder, RR International Tax
• Andrea Valois | VP Operations, American Expat Tax Services
• Frank Agostino, ESQ | Kostelanetz, LLP
• Marina Hernandez, EA, CFP | Swiss American Wealth Advisors
• John Sheeley, EA | Owner, Tax Practice Pro

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.

Frank Agostino is one of the most accomplished tax controversy attorneys in the country, with more than four decades of litigation experience and a string of landmark victories that have reshaped IRS enforcement and Tax Court procedure — including Commissioner v. Zuch before the U.S. Supreme Court (2025) and Chai v. Commissioner in the Second Circuit (2017).
Because of Frank’s stellar reputation in the tax bar, he has been ranked in Chambers in Band 1 for Tax: Fraud Nationwide (USA) and in Band 1 for High Net Worth Private Client: Tax.
A former IRS District Counsel attorney and Special Assistant U.S. Attorney, Frank has also taught tax controversy at Seton Hall and Rutgers Law, and currently serves on the Advisory Board of the Journal of Tax Practice and Procedure.

Marina Hernandez is a Certified Financial Planner™, Enrolled Agent, and Global Financial Planner with a specialized focus on U.S.–Swiss cross-border planning. She founded MHTax in 2009 and Swiss American Wealth Advisors in 2020 to provide integrated tax and wealth guidance to international families seeking clarity, simplicity, and objective advice.
Since 2016, Marina has served as an instructor with Tax Practice Pro and has been teaching with the Global Financial Planning Institute since 2020. She is passionate about equipping Enrolled Agents, CPAs, CFP® professionals, and other advisors with the technical expertise and practical insight needed to serve globally mobile clients, including Americans living abroad and foreign nationals relocating to the United States.
Outside of her professional work, Marina supports educational initiatives for underserved children in the U.S. and South America. She also enjoys traveling with her husband to visit their children, extended family, and friends around the world.

John began his tax career in 1987 and passed the IRS Special Enrollment Exam in 1995. A National Tax Practice Institute fellow and SUNY Oswego graduate, he specializes in taxation for non-resident aliens, U.S. citizens living abroad, S corps, legal marijuana businesses, and cryptocurrency.
John is passionate about giving back to the profession. Every year on Giving Tuesday, Tax Practice Pro offers a free ethics webinar, and its weekly Tax Update webinars keep tax professionals informed on the latest developments. These programs combine practical guidance, strategies, and insights to help practitioners work smarter, faster, and with confidence.
Whether you’re just starting your career or expanding an established practice, Tax Practice Pro and John Sheeley, EA provide the education, coaching, and community support tax professionals need to succeed.
Includes registration to the International Tax Conference
Day 1 Bootcamp on Oct 26
Includes registration to the International Tax Conference
Any 2 Conference Days
Includes registration to the International Tax Conference
Day 1, 2 & 3 on Oct 26, 27 & 28
*Early Bird Pricing expires on 8/31/26


Join us for this stand-alone day of our 3-day International Tax Conference, where Rita Ryan, JD, LL.M, will guide you through the essentials of international tax compliance. Whether you are a seasoned professional or new to the field, this bootcamp will equip you with the knowledge and tools you need to confidently manage international tax issues for your clients. This is an invaluable opportunity to enhance your skills, earn continuing education credits, and position yourself as an expert in a growing area of tax practice. Seats are limited—register now and take the next step in your professional journey!
Rita Ryan, JD, LL.M | Founder, RR International Tax
Step into the world of international tax with our comprehensive International Bootcamp. This 8-hour, 8 IRS CE/NASBA, CTEC & Texas CPE program is designed for tax professionals who are ready to expand their expertise into the complexities of cross-border taxation. No prior knowledge of international tax is required, but a solid foundation in tax preparation is recommended.

This day is essential for professionals aiming to refine their expertise in international tax. With sessions led by Rita Ryan and Andrea Valois, you will gain actionable insights and practical knowledge directly applicable to your practice.
Rita Ryan, JD, LL.M | Founder, RR International Tax
Andrea Valois | VP Operations, American Expat Tax Services
Day 2 moves from foundation to application. The program opens with a timely look at the GILTI-to-NCTI transition—what changed, why it matters, and how to apply it. The day then shifts into a technical examination of inbound investment by foreign businesses expanding into the U.S., with a focus on the compliance gaps practitioners encounter in small domestic operations. It closes with a deep dive into foreign pension reporting and a comprehensive case study that runs a single client through multiple intersecting international issues, from fact-gathering through final reporting decisions. Designed for intermediate-level practitioners ready to work through real problems.

This final day is crucial for professionals who want to stay ahead of the curve in international tax. With top-tier speakers like Beth Lougen and Malissa Marshall,, you will gain the knowledge and strategies needed to navigate the most complex issues in global tax compliance.
Whether you are dealing with nonresident estates, sourcing international income, or leveraging AI in tax practice, this program offers the advanced insights you need to excel. Secure your spot now and elevate your expertise in international tax with this essential program!
Frank Agostino, ESQ | Kostelanetz, LLP
Marina Hernandez, EA, CFP | Swiss American Wealth Advisors
Day 3 brings the conference to a close with a focus on high-stakes compliance, penalty exposure, and the practitioner judgment required when things go wrong. The morning sessions address two of the most consequential penalty regimes in international tax, equipping attendees with defensible strategies and practical tools for managing client exposure. The afternoon shifts to advanced case studies covering expatriation, dual-status filers, treaty interaction with domestic law, and post-departure tax considerations. This final day is designed for practitioners who need to advise with confidence in complex, high-risk international matters.


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.


Robert “Bob” Kerr brings extensive experience across the public sector, trade associations, and private sector in tax administration, tax policy, and public policy. During over a decade at the Internal Revenue Service (IRS), he held key positions in both Washington, DC headquarters and the Chicago district office. While working in the Service’s artificial intelligence labs, Bob led two nationwide electronic filing pilot programs, coordinating across multiple functional areas. He also served on the U.S. Senate Finance Committee, assisting Senator Grassley with IRS oversight on issues ranging from private debt collection to relocation expenses.
Bob’s experience with the National Association of Enrolled Agents (NAEA) and H&R Block provides him with a deep perspective on the needs of tax professionals. He served as NAEA’s chief advocate for more than a decade, acted as primary spokesperson to tax and general media, founded its political action committee, and later served as head of office, championing the profession at every level.


Roger has been doing taxes since 2006. During that time he has been the General Manager for a large franchise in Atlanta as well as a Technology Manager for several tax franchises. Roger obtained his Enrolled Agent Status in 2011. Roger is also an NTPI Fellow. Prior to getting into taxes Roger worked as a Deputy Sheriff in Leon County Florida for 8 years. Roger was injured in the line of duty and moved into the tax field. He was awarded the Medal of Valor and Purple Heart by the Florida Sheriff’s Association.


Ruth Mattson, Esq. is a partner in Nixon Peabody LLP’s International Private Clients group. They guide families and individuals through the complex world of cross-border wealth. Whether working with family offices, executives, or multigenerational families, Ruth brings clarity and creativity to plans involving global mobility, international estate planning and multinational trust and estate administration. Ruth is a frequent speaker and author on international estate planning topics for the American College of Trust and Estate Counsel (ACTEC), Massachusetts Continuing Legal Education, and other professional organizations around the world. Ruth received their J.D. from Temple University Beasley School of Law in Philadelphia, Pennsylvania, and their LL.M. from Boston University School of Law’s Graduate Tax Program. They are a lecturer at Boston University School of Law, an Academician of the International Academy of Estate & Trust Law, a Fellow of ACTEC, a former co-chair of STEP New England, and a recipient of the President’s Award from the Boston Estate Planning Council.


Salvatore P. Candela, EA has been preparing taxes since 1986, passed the EA exam in 1997, became an Enrolled Agent in 1998, and a Fellow of NTPI (National Tax Practice Institute) in 2000, and has been a featured speaker around the country. He is the owner and founder of The TaxAdvocate Group, LLC, which is focused on tax problem resolution and has offices in New York (Queens & Wall Street). His firm aggressively represents taxpayers before all administrative levels of the IRS, and is committed to helping taxpayers resolve their IRS problems – once and for ALL! He has almost twenty years of experience in IRS collection proceedings, IRS audits and administrative appeals, and the use of bankruptcy to resolve IRS controversies. He is a member of the National Association of Enrolled Agents (NAEA), the New York State Society of Enrolled Agents (NYSSEA), the National Society of Accountants (NSA), and the National Association of Tax Professionals (NATP). He is co-author of the bestselling book “Breaking the Tax Code” and was quoted in a USA Today article about America’s Leading Tax Professionals. He has provided tax expertise as a panelist on Tax Talk Today and is an instructor at NTPI.


Steven Mangiameli is an Enrolled Agent with over a decade of hands-on experience at a thriving, high-volume tax firm west of Seattle. He leads a team of fellow Enrolled Agents who handle everything from straightforward 1040s to complex, unresolved IRS issues. Steven loves the kinds of tax problems many practitioners avoid—obscure issues, tangled messes, and multi-layered situations that call for strong problem-solving skills and a unique approach.He’s also passionate about helping other tax professionals rethink the off-season. What might seem like a pile of frustrating cases can actually become a profitable and deeply satisfying part of your practice—with the right mindset and systems in place.Steven currently serves on the board of directors for the Washington State Society of Enrolled Agents.