Our People

Gustavo Alfonzo, Managing Director, serves as Director of Firm Administration and Infrastructure, and has also served as the Director of Operations and IT Systems Manager. Mr. Alfonzo is responsible for overseeing the firm’s day-to-day administration activities and is the department head for the Information Technology team. Prior to joining Duff & Phelps in 2007, Mr. Alfonzo was a Consultant with Blackwell Consulting Services in Chicago and a Customer Support District Manager at Hewlett Packard de Venezuela. He holds a BS in Electronic Engineering from Simón Bolivar University and a Project Management Professional certification from the Project Management Institute.

Rowena Harbour serves as Director of Investment Operations and Services at Duff & Phelps Investment Management Co. where she plans and directs the firm’s investment operations policies, objectives, and initiatives, in order to support operational excellence. Ms. Harbour joined Duff & Phelps in 2016 after performing the role of Operations and Performance Manager at Euclid Advisors LLC, another investment affiliate of Virtus Investment Partners. Ms. Harbour has broad experience in asset management operations, performance reporting and portfolio analysis, including security pricing and risk management. Prior to joining Euclid in 2012, she worked in institutional operations for all affiliates of Virtus Investment Partners. Earlier in her career, Ms. Harbour was a Portfolio Analyst and Administrator at Alpha Equity Management, a quantitative hedge fund offering various international equity products. She focused on quantitative factor performance attribution, portfolio rebalancing analysis, trade support, and client services. Ms. Harbour began her investment career in 2000 in San Francisco with the hedge fund Standard Pacific Capital. In her role there as a Global Equity Researcher, her work encompassed research across all sectors, in both international and domestic companies. Ms. Harbour earned a BS degree in Political Science from Vanderbilt University and an MBA from the F.W. Olin Graduate School of Business at Babson College.

Alan Meder joined Duff & Phelps in 1985 and leads risk management and quantitative research for the firm’s equity and fixed income strategies. He also serves as Treasurer and Assistant Secretary of the four Duff & Phelps-advised closed-end funds: DNP Select Income Fund Inc., Duff & Phelps Global Utility Income Fund Inc., Duff and Phelps Utility and Corporate Bond Trust Inc. and DTF Tax-Free Income Inc. Prior to joining Duff & Phelps he was an auditor with National City Corp. He holds a BBA from Cleveland State University and an MBA from Baldwin-Wallace College.

Joyce Riegel joined Duff & Phelps Investment Management Co. in August 2002 as Chief Compliance Officer and is responsible for developing and implementing all compliance policies and procedures. From January 2001 to August 2002 she was Vice President and Chief Compliance Officer at Stein Roe Investment Counsel LLC and from July 1996 to December 2000 was Compliance Officer at Stein Roe & Farnham Incorporated. She holds a BA from Governors State University and an MBA from St. Xavier University.

Wendy Williams joined Duff & Phelps Investment Management Co. in August, 2013, as the Office Manager and HR Generalist. Her responsibilities include overseeing the day-to-day management of all facility-related matters, outside vendors, budgeting, planning special events, and implementing policies and procedures for DPIM. As the primary contact for the Office Services department, Ms. Williams supervises the administrative staff to ensure a balanced and efficient workflow is maintained for the shared group. As HR Generalist, she is the first point of contact in Chicago for all HR-related matters including distributing personnel-related communications, assisting with recruiting, interviewing, terminations, compensation, benefits and processing of all new hires including facilitating orientation, planning work space, and security clearance. Prior to Duff & Phelps, Ms. Williams’ was employed as office manager and HR Coordinator for various corporate, film and association entities including: AirTouch Cellular (now Verizon), Sony Pictures, Showtime Networks, Caesars Entertainment, Inc., Lhoist North America and Network of Vertafore Users (NetVU). She holds an AA, Paralegal Studies from Merrit College.