Key PMA Staff

PMA's professional team offers a wide range of skills and expertise to help you manage your business more effectively. You will find that our professionals, with decades of proven experience, are responsive, effective, and easy to work with. We have the tools and resources to help you quickly identify windows of opportunity and maximize your profit.

Primary Team Members

Alan Schiffres, Managing Director

Mr. Schiffres has extensive managerial experience in credit management, marketing and strategic planning for consumer and small business financial services companies. His innovative work in acquisition screening, portfolio control strategies, new product design, electronic delivery, and MIS has established several state-of-the-art industry standards.

Immediately prior to joining Portfolio Management Associates, Mr. Schiffres managed the Credit Policy Department for the American Express Platinum Card, Gold Card and Consumer Lending businesses. In addition, he held senior level strategic planning positions for the Dean Witter Financial Services Group and a variety of marketing and credit management positions at Citicorp.

Mr. Schiffres received a MBA from the Harvard Business School and a Sc.B. degree from Brown University.

Richard Taverna, Managing Director

Mr. Taverna is a leader in applying analytic techniques to the consumer financial services industry. He was an innovator in the use of response targeting models for bankcard solicitations, allowing lenders to profitably maintain accelerated portfolio growth in an increasingly competitive environment. Through his deep understanding of information management techniques, behavioral science and complex consumer finance industry data sources, Mr. Taverna has pioneered applications and services that enable meaningful analysis from very large volumes of low-level historical data.

Prior to joining PMA, Mr. Taverna served in the risk management group in Citicorp's bankcard division. He also worked as a systems analyst for General Electric's Aerospace Division, providing service support for the Department of Defense.

Mr. Taverna earned a B.S. in Physics from Washington University and a M.S. in Operations Research from the University of Maryland.

Donald Kumka, Managing Director

Mr. Kumka is an expert in the development and application of statistically driven control systems for the consumer finance industry. He has developed numerous statistical forecasting, risk, response and revenue models in conjunction with innovative implementation strategies to maximize portfolio profitability.

Before joining PMA, Mr. Kumka was Vice President, Citicorp Credit Services, responsible for development of statistical systems for new products, cardmember acquisitions, attrition reduction, credit line management and balance control.

Mr. Kumka also held senior management positions with Time-Warner and a professorship at the State University of New York at Buffalo where he taught statistics. He earned a B.A. in Sociology at the University of Manitoba, a M.S. in Statistics and a Ph.D. in Quantitative Methods from the University of Minnesota.