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.
Joseph DeBellis, President
Mr. DeBellis is an acknowledged innovator in the consumer finance business. Since 1977, he has initiated several creative approaches to enhance the profitability of consumer portfolios, including the first scoring system to drive a bankcard solicitation and the first portfolio control program to utilize sophisticated decision technology.
After working for Citicorp, Mr. DeBellis formed Portfolio Management Associates, Inc. in 1983. Since then, he has led clients through the complexities of making risk/reward trade-off and has introduced advanced decision technology to a wide variety of consumer lending businesses. Over the years, he has trained and consulted to industry leaders and suppliers about strategic and tactical portfolio planning, organizational structure, and the design and introduction of new products. Additionally, he has assumed responsibility for managing consumer portfolios and credit management departments during difficult transitional periods.
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, 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, 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.
Barbara Rizzi, Vice President
Ms. Rizzi has extensive experience developing statistical, econometric, and mathematical models for a variety of industries.
Before joining Portfolio Management Associates, Ms. Rizzi was a consultant for William E. Wecker and Associates, a consulting firm specializing in the fields of statistics and applied mathematics. Her consulting work was directed to solving problems in the financial, health care, automobile, and real estate industries. In addition, she held research associate positions in the Economic Research Department of the Federal Reserve Bank of San Francisco.
Ms. Rizzi is a Doctor of Statistics and Economics from the University of Bologna, Italy, and earned an MBA in Finance from SFSU.
Vladimir Usvyat, Vice President
Mr. Usvyat specializes in database and information systems implementation and management.
Prior to joining PMA, Mr. Usvyat managed the Information Systems Department at Gerard Klauer Mattison & Co. and provided software consulting services to the New York University computer laboratory. Before coming to the United States, he performed statistical analyses for the Laboratory of Thermal Research in Leningrad, Russia.
Mr. Usvyat earned a B.A. in Computer Science from New York University and holds a Masters Degree in Quantitative Methods and Modeling.
Xuefang Han, Senior Associate
Ms. Han is a specialist in the design and implementation of statistical information systems and database management applications.
Prior to joining PMA, Ms. Han developed and maintained information systems for the Wuhan, China Tax Bureau and created statistical analysis software for the Preventive Medicine Department of Stony Brook University Hospital.
Ms. Han earned a B.A. in Computer Science from Wuhan University, China and holds a Masters Degree in Applied Mathematics and Statistics from Stony Brook University.