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Thyra E. Zerhusen
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Biography:
Portfolio Manager of the Fund since May 1999. Ms. Zerhusen joined the investment team of Optimum in October 2003. From April 1999 to September 2003 she was on the investment team of Talon Asset Management and from 1993 to 1999 she was Senior Vice President and Principal at the Burridge Group. She has a Diplom Ingenieur from the Swiss Federal Institute of Technology and an MA in Economics from the University of Illinois.
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Marie L. Lorden
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Biography:
Co-Portfolio Manager of the Fund since March 2009; Ms. Lorden joined Optimum in September of 2003. Ms. Lorden is responsible for research and analysis of existing and potential holdings, as well as mutual fund, institutional relationship, and portfolio management. Previously, Ms. Lorden held positions specializing in equity product analysis with Zurich Insurance Group, Driehaus Capital Management, and The Burridge Group where she was responsible for equity maintenance research and institutional client relationships. Prior to joining Optimum, Ms. Lorden was a Project Manager at Radio Free Europe in Prague, Czech Republic. Ms. Lorden received her BS from Elmhurst College in 1982 and her MBA from the Keller Graduate School of Management in 1990.
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Mary L. Pierson
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Biography:
Co-Portfolio Manager of the Fund since March 2009; Ms. Pierson joined Optimum in May of 2004. Ms. Pierson is responsible for research and analysis of existing and potential holdings, as well as mutual fund, institutional relationship, and portfolio management. Her prior experience includes fifteen years with Harris Bancorp and Harris Futures Corporation. While General Manager at Harris Futures Corporation, she was responsible for managing all aspects of the institution, which operated as a financial futures broker. In prior positions at Harris, Ms. Pierson conducted in-depth international economic research and analysis of foreign exchange exposure issues, along with currency trends and foreign political conditions related to investments. Ms. Pierson received her BA in Economics from DePauw University, her MA in Economics from Northwestern University and her MBA in Finance from The University of Chicago.
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