About the Thun Financial Team

In addition to being highly-qualified and experienced financial advisors and investors, the Thun Financial team comes from a wide variety of backgrounds including institutional money management, academia, international tax, and corporate and estate law in order to help expatriates navigate the various compliance and investing issues they face. The team at Thun frequently collaborates in order to maximize their cross-border expertise and help provide the best possible financial outcomes for their clients.


David Kuenzi Expat Investment Advisor Thun

David Kuenzi, Founding Partner

David Kuenzi founded Thun Financial Advisors in 2008 in order to bring world-class investment management and financial planning services to cross-border families and Americans abroad.

David is a recognized expert on cross-border wealth management, especially with respect to Americans abroad.  He has been frequently quoted on topics ranging from FATCA to currency management in The Wall Street Journal, CNN, NPR, the Economist, Bloomberg, CNBC and many other forums.  His own writings have appeared in the Wall Street Journal, International Investment Adviser and Emerging Money.

Before founding Thun Financial, David worked as a securities analyst and institutional broker specializing in European and emerging markets.  His employers included Chase Manhattan Bank, Deutsche Bank, Bank Austria and the Harvard Institute for International Development.  His career included postings in New York, London and Moscow.

David grew up in Wisconsin, but spent most of his professional career in New York City and in Europe before returning to Madison in 2005. He received his undergraduate degree from the University of Wisconsin and completed graduate work in politics and economics at Columbia University and Harvard University before launching a career in finance.  David is a Certified Financial Planner™ and speaks English, German, Russian and Spanish.

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Peter Sengelmann, Chief Investment Officer

Peter joins Thun Financial Advisors as its Chief Investment Officer after a diversified career in international investment management and business.

After working in international trade between the United States and Asia, Peter joined the Financial Industry in 2003.  Most recently, he was based in Singapore where he worked as Senior Portfolio Manager at NN Investment Partners (formerly ING Investment Management) specializing in Asian securities and currencies while managing mutual funds and institutional portfolios. In addition to these responsibilities, he has been featured in numerous media outlets including the Wall Street Journal, Investment Week, de Telegraaf (The Netherlands), Banca & Mercata (Italy), Handelsblatt (Germany), The Jakarta Post, amongst others.  Peter has also been a speaker at conferences organized by the Investment Management Association of Singapore, the CFA Society of Singapore, and FinanceAsia.

Peter holds the Chartered Financial Analyst® (CFA) designation. He graduated from the Anderson School of Business at the University of California at Los Angeles (M.B.A.) and the University of California at San Diego (B.A., Economics). Peter also completed a Mandarin language scholarship at the National Taiwan Normal University. He speaks fluent Mandarin Chinese and professional Spanish.

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Frederic Behrens Expat Investment Advisor ThunFrederic Behrens, Financial Advisor

Frederic brings broad international tax and legal experience to Thun Financial Advisors. Having lived in Switzerland, France and Chile, Frederic understands first-hand the American expat experience.

Previously, he worked in the international tax division of Deloitte Tax LLP on corporate tax planning. Well-informed on tax and compliance issues, Frederic authored a widely-cited article on FATCA for the Wisconsin Law Review.

Frederic is a graduate of the University of Georgia (B.B.A., International Business) and the University of Wisconsin (J.D.). He speaks English, French, and Spanish

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stan-farmer-investment-advisor-thunR. Stanton Farmer, Financial Advisor

Stan brings twenty years of professional experience to Thun Financial Advisors, including a decade of financial services experience both within the United States and abroad.  He began his career as an attorney, working as an associate at two large law firms, including five years with the international firm of Faegre & Benson (now Faegre Baker Daniels).  In 2004, Stan left the practice of law to follow his passion for wealth management and financial planning.

Over the past decade, Stan has advised high-net-worth clients at the two largest global wealth management firms (Merrill Lynch and Morgan Stanley), and has also lived and worked overseas in Africa (Angola), the Middle East (U.A.E.) and Europe (Portugal), serving as Director of Investments for Ridge Solutions International – a private equity group based in Dubai, U.A.E.

Stan is is a Certified Financial Planner™ and a graduate of Northwestern University (B.A., Economics), the University of Pennsylvania (M.G.A.), and the University of Iowa (J.D.). He speaks English and Portuguese.

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Keith Poniewaz, Financial Advisorkeith-headshot-11-12-16

Keith Poniewaz comes to Thun Financial from a varied and global background in the professional and academic world.  Before becoming a Financial Advisor, Keith was a professor of literature and language at several universities and colleges both in the United States and in Europe.  His most recent appointment was as Visiting Professor of French at Ursinus College outside of Philadelphia.

A native of Madison, Keith returned to Madison to join Merrill Lynch as a Financial Advisor.  While at Merrill, he worked with high-net worth clients, particularly executives with concentrated stock positions. Building on his educational background, Keith has also lectured on cross-border wealth management at a variety of institutions including the University of Wisconsin.

Keith is a graduate of the University of Chicago (A.B. with Departmental and College Honors) and the University of Pennsylvania (M.A. and Ph.D. in Comparative Literature). He speaks English, French and Spanish.

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Francisco Aguilar, Financial Advisor

Francisco joins Thun Financial from an international background having grown up in South America (primarily Ecuador) and been educated in the United States.

Previously an Investment Analyst Intern with Thun Financial, Francisco also has a well-rounded academic and professional background in Investing and Finance for both individual and institutional clients.  His experience includes serving as a financial analyst for Tocqueville Asset Management, a New York-based Institutional and Private Wealth Management firm, and as a student portfolio manager for the University of Wisconsin-Oshkosh endowment.  Francisco returns to Thun after teaching economics at the University of Wisconsin-Whitewater while completing research on implied volatility and portfolio returns.

Francisco is a graduate of the University of Wisconsin-Oshkosh (B.B.A. Finance and Economics) and the University of Wisconsin-Whitewater (M.S. Economics). He is fluent in English and Spanish.

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Terri Van den Einde, Director of Operations 

Terri joined Thun Financial Advisors in 2014 assuming primary responsibility for back office operations.  Terri has worked in the financial services industry since 2004.

Prior to joining Thun Financial, Terri served as Senior Operations Administrator at Madison Investment Advisors.  Terri holds a BS in Business Marketing from University of Phoenix.

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