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About American Citizens Abroad Global Foundation

Our Vision

American Citizens Abroad Global Foundation is a tax exempt public charity. Its purposes are to promote the well-being of US citizens living outside the US, to identify issues and activities that affect them, to develop information about these subjects, to provide this information to Americans abroad and to governments, including the US government, and to disseminate this information widely. In short, it is a supporter of education and research on issues affecting Americans abroad.

Who We Are

ACA Global Foundation is a nonprofit organization formed under Delaware law. It received its approval as a section 501(c)(3) public charity in in 2013.  As such, it is organized and operates exclusively for charitable, literary and educational purposes. It is based in Washington D.C. to feel the pulse of legislative activities affecting Americans abroad and to be able to reach out to established research institutions dealing with government policy as well as universities throughout the country. 

ACA Global Foundation is the sister organization of American Citizens Abroad, Inc., an advocacy group, which has members worldwide. ACA, Inc. has created positive, ongoing relationships with key legislative and administrative offices and has been invited to provide input and guidance on issues.  ACA Global Foundation, with its education and research work, hopes also to help promote the interests of Americans abroad.

ACA Global Foundation serves to raise funds in order to educate both Americans abroad and decision-makers that, with their actions, can affect the lives of Americans abroad.


ACA Global Foundation is managed by its Board of Directors. It decides which projects will be pursued and approves education and research-related grants.


ACA Global Foundation is governed by its Board of Directors:

Charles M. Bruce - Chairman

Charles M. Bruce is an American attorney specializing in international tax planning, withholding tax regimes and compliance matters. Among other positions, he has served as Tax Counsel at the United States Senate Finance Committee, Vice-Chair of the American Bar Association, Section of Taxation, Committee on Foreign Activities of U.S. Taxpayers, Chair of the ABA Task Force on International Trusts of that Committee, Visiting Professor, Law Faculty, Institut für Ausländisches und Internationales Finanz- und Steuerwesen, Hamburg University, Hamburg, and Adjunct Professor of Law, Graduate Law Program, Georgetown University Law Center, Washington, DC. He is a member of the American Bar Association, International Bar Association, International Fiscal Association (US and UK branches), the Society of Trust and Estate Practitioners, and the International Tax Planning Association. He is Of Counsel to Bonnard Lawson-Lausanne and divides his time between Washington, DC and London. In addition to serving as ACA's Legal Counsel, he is Chairman of American Citizens Abroad Global Foundation.

Glen Frost - President

Glen Frost is the managing partner for Frost & Associates, LLC. He focuses his national and international practices on tax controversy and tax planning matters, business law matters, and estate planning matters and has been awarded Martindale-Hubbell’s AV Preeminent® Lawyer Rating. Glen earned his JD and LL.M. in Taxation from University of Baltimore School of Law. He is also a licensed Certified Public Accountant and Certified Financial Planner™. In addition to serving as Associate Legal Counsel to both American Citizens Abroad, Inc. and American Citizens Abroad Global Foundation, he is President of American Citizens Abroad Global Foundation.

Ronald Lee Banks

Born and raised in Kansas City, Missouri, he holds a BA in marketing from Southwest Missouri State University and a MBA from City University. Ron has worked in the fast moving consumer goods sector in the US and in Europe. He has done international marketing consulting and is a founding partner of three companies. In addition, Ron is an adjunct professor of marketing at a US university in Geneva. Ron is married and lives in Geneva, Switzerland. He has two daughters and three grandchildren, all living in the United States.

Peter Bordui - Co-Chairman

A native of Wisconsin, Peter Bordui has lived in Europe since 1999. He currently serves professionally as chairman or director of a number of European-based technology companies, principally in the field of lasers and optics.  He also manages a charitable foundation he created in the US providing scholarship support to university students.  He holds bachelor’s, master’s and PhD degrees from MIT.  He resides in  the Swiss Canton of Vaud with his Swiss/French wife and their son.   


Anne Hornung-Soukup

Ms. Hornung-Soukup was born and raised in Illinois. She has lived in Massachusetts, Virginia, South Africa and Switzerland, and she has now been living outside the US for over 30 years. Ms. Hornung-Soukup earned her BA at Smith College in Massachusetts and her MA at American University in Washington DC. She worked as a business consultant in Geneva for four years, then as portfolio manager at Guyerzeller Bank in Geneva, Switzerland for 16 years. From 1999 to 2010, Anne was Partner and Co-Founder of Axia Investments S.A., a portfolio management company, and in 2010 she joined Bruellan S.A. as a Partner. She is married to a Swiss national, holds both US and Swiss citizenship, and is the mother of two grown children.

Andrea Picon

Originally from North Carolina, Andrea Picon has lived, worked and studied in five countries since 1994. She holds a BA in Industrial Relations from University of North Carolina, Chapel Hill and earned an International MBA from Thunderbird School of Global Management. Her professional experience in the Aerospace and Automated Controls Industries was focused on New Business Development, Mergers and Acquisitions, and Financial Planning and Analysis. She completed a Certificate in Financial Planning from the University of California, Los Angeles, where she became interested in cross-border planning for multi-cultural families. She is fluent in English, French and Spanish with a basic knowledge of Italian and German. Andrea currently resides in North Carolina with her Spanish husband, two children and one LARGE Swiss Mountain dog.

Ambassador Thomas Siebert

Ambassador Thomas Siebert served as U.S. Ambassador to Sweden from 1994 - 1998 under President Clinton and is a member of the Council of American Ambassadors. In 1998, he served as Chairman of the International Telecommunication Union (ITU) Plenipotentiary Conference and currently serves on the Diplomatic Council on Energy Security. This Council provides advice to Securing America's Energy Future (SAFE), a nonpartisan, not-for-profit organization committed to reducing America's dependence on foreign oil and improving U.S. energy security. He also serves on the Board of Advisors of the International Criminal Court (ICC) Project which operates within the American Bar Association’s (ABA) Center for Human Rights. The ICC Project’s mission is to strengthen the U.S.-ICC relationship within many American circles. Ambassador Siebert is Chairman of the Stockholm International Peace Research Institute – North America (SIPRI-NA) headquartered in Washington, DC. SIPRI-NA’s charter is to contribute to policy debates on global and regional security issues through dissemination of SIPRI research, analysis, and recommendations drawn from SIPRI’s global networks. Ambassador Siebert received a B.A. from Georgetown University and a J.D. from Georgetown University Law School.


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