David Kuenzi, CFP®

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David Kuenzi founded Thun Financial Advisors in 2008 with a mission 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 living 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 publications such as 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, Russian and Spanish.

Thun Financial Advisors, LLC is an SEC Registered Investment Advisor based in Madison, Wisconsin and advises clients throughout the U.S. and around the globe.

Investment Expertise

At Thun, we understand the complexities of the investment landscape and constantly changing tax, retirement and estate planning issues. Our experience and qualifications allow us to customize a plan that takes into account the client’s entire financial picture.

Independence – Fee-Only Advisor

Thun is a “fee-only” investment advisor and therefore receives compensation only from our clients. We receive no commissions on any product we recommend. Our fee-only structure provides transparency and supports our sole objective-to help each client achieve their individual goals.


Trust is the most critical element of every financial advisor-client relationship. Thun was founded to help individuals and families meet their long-term financial objectives, unencumbered by the conflicts of interest that pervade the traditional investment management industry.

Thun Financial Advisors

3330 University Ave, Suite 202

Madison, WI 53705

Phone: +1-608-237-1318

Skype: thunfinancial

Peter Sengelmann, CFA
Chief Investment Officer

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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.

Frederic Behrens
Financial Advisor

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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. Frederic authored a widely cited law review article on FATCA.

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

R. Stanton Farmer, CFP®
Financial Advisor

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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.

Keith Poniewaz
Financial Advisor

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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 French and Spanish.

Francisco Aguilar
Financial Advisor

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Francisco joins Thun Financial from an international background. Although educated in the United States, Francisco grew up primarily in Ecuador.

He has a well-rounded academic and professional background in Investing and Finance for both individual and institutional clients. His experience includes serving as an 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 joins 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.

Terri Van den Einde
Director of Operations

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