Daniel Petrisko, CFA, serves as Executive Managing Director and Senior Portfolio Manager at Duff & Phelps. He is responsible for oversight and management of institutional and retail fixed income and passive equity products, in addition to leverage financing for the Duff & Phelps closed-end funds. Prior to joining Duff & Phelps in 1995, Mr. Petrisko held positions in the treasury and investment areas of Citibank. Mr. Petrisko holds a BA degree from St. Xavier University and an MBA from DePaul University.

Please note this portfolio manager is registered at Morningstar under the Firm's credentials.

Steven Wittwer, Senior Managing Director, is the Head of the Infrastructure Group and a Senior Portfolio Manager for the firm’s Global Listed Infrastructure Strategy. Mr. Wittwer joined the firm in 2017 as a Senior Analyst and concentrated his research on the global communications, transportation, and utilities sectors. Prior to joining Duff & Phelps, Mr. Wittwer was a Portfolio Manager and Senior Equity Analyst at Great Lakes Advisors in Chicago. He also previously worked for UBS Global Asset Management for 14 years in various capacities, including functioning as the Global Head of their Global Telecom team, conducting research in the U.S., Asia, and Europe, and serving as a key participant on the UBS Global Technology team. He holds a BBA in Accounting from the Wisconsin School of Business, University of Wisconsin, and an MBA in Finance from the Ross School of Business, University of Michigan-Ann Arbor. He is a Chartered Financial Analyst (CFA) and a Certified Public Accountant (CPA, inactive).