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Our Leadership

Greater Chesapeake & Potomac Region

Marty Lempres
Vice President, East Blood Services Division

Marty Lempres is the vice president of the East Blood Services Division of the American Red Cross, a role in which he is responsible for operations in 12 Blood Services Regions spanning 17 states, from Maine to South Carolina. 

Prior to this role, Lempres served as a senior leader in Red Cross Humanitarian Services for a year, after 25 years working in financial services. During this time, he led integrated global business units and large functional organizations with industry leaders including State Street, Fidelity Investment and Salomon Brothers, after beginning his career with management consultant McKinsey & Company. 

Lempres has a master’s in business administration from the Harvard Business School and a Bachelor of Arts from Dartmouth College. 

Board Chair, Kimberley Amprey FlowersMichael Chaplo
Vice President of Recruitment, East Blood Services Division

Michael Chaplo is the vice president of Recruitment for the East Blood Services Division, where he works in partnership with Recruitment Process and Planning leadership, key recruitment-related functions and field leaders to drive improvements in how the organization recruits blood and platelet donors.

Prior to this role, Chaplo served as vice president of National Sales for Preparedness and Health and Safety Services (PHSS) with the American Red Cross in Washington, D.C. In this capacity, he brought extensive experience in growing revenue to the nonprofit industry, making incalculable contributions to the evolution and growth of PHSS.

Chaplo is a sales and marketing industry leader with more than 20 years of experience and a proven track record of success. He has contributed immeasurably to the high-tech and telecom industries through his executive tenure with several leading companies, where he developed sales and marketing strategies resulting in extraordinary revenue growth.

Chaplo has a Master of Business Administration in management and finance from Fairleigh Dickinson University and a Bachelor of Science from Utica College of Syracuse University. He has also completed executive education programs at the MIT Sloan School of Management, the Wharton School of the University of Pennsylvania and Penn State University. 

Linda E. Voss, CEO

Linda E. Voss
Chief Executive Officer, Greater Alleghenies and Greater Chesapeake and Potomac Region

Linda E. Voss is the CEO of the Greater Alleghenies and Greater Chesapeake and Potomac Blood Services Regions since December 2013. Prior to her current role, she spent eight years at Red Cross National Headquarters before serving as CEO of the River Valley Blood Services Region, operating out of Louisville, Kentucky, for five years. While at national headquarters, Voss spent most of her time directing the plasma derivative product marketing team. She also had the opportunity to manage the hospital marketing (blood), reimbursement and market research units and was the recipient of two Employee Excellence Awards.

Voss has more than 25 years in biotech and pharmaceutical experience focused in the areas of marketing, strategy, business development and sales. This includes operational leadership as vice president, Marketing and Business Development, with Core Dynamics, and marketing and sales roles at CSL Behring, Novartis and Schering-Plough. Early in her career, Voss was a human resources professional at S.C. Johnson & Son, Inc. (Johnson Wax).

Voss received a Bachelor of Science from the University of Wisconsin, LaCrosse, Wisconsin, and also holds Master of Business Administration from the J. L. Kellogg Graduate School of Management, Northwestern University, with concentrations in marketing and finance. She also holds a Master of Science from Indiana University, Bloomington, Indiana. 

Voss has two children, no longer living at home, and a husband, Rich. She enjoys running, reading, cooking and golf.

Board Chair, Kimberley Amprey FlowersP. Dayand Borge, Jr., M.D., Ph.D.
Medical Director, Greater Chesapeake and Potomac Blood Services Region

Dr. Borge received his MD and PhD in Biochemistry at the University of Pennsylvania.  He completed his residency in Pathology and Laboratory Medicine at Temple University in Philadelphia, PA and fellowship training  in Blood Banking / Transfusion Medicine at the National Institutes of Health in Bethesda, MD.  He joined the American Red Cross Blood Services’ Greater Chesapeake & Potomac Region thereafter in 2011.  He is Board-certified in Clinical Pathology and Transfusion Medicine.  He has published a book chapter on Cellular Therapy, his research interest at the NIH, where he remains on faculty as a lecturer in the NIH’s SBB program.  He is an Adjunct Assistant Professor of Pathology at Johns Hopkins University.  He serves as a reviewer for the journal Transfusion and a medical editor for Immunohematology.


Karen L. Proudford, Ph.D.
Associate Professor of Management, Morgan State University
Chairman, Board of Directors, Greater Chesapeake and Potomac Blood Services Region

Dr. Karen Proudford is associate professor of Management at the Earl G. Graves School of Business and Management, Morgan State University, where she teaches courses in organizational behavior and heads the undergraduate honors program. She is also affiliated with the Center for Gender in Organizations, at the Simmons School of Management, Boston, Massachusetts. She received her Bachelor of Science in accounting, summa cum laude, from Florida A&M University and her Master of Arts and doctorate degree in management from the Wharton School of the University of Pennsylvania. Prior to beginning her career in academia, she held positions at Honeywell, Inc., and IBM. Proudford’s areas of expertise include group and intergroup dynamics, diversity and conflict. She has published articles, presented papers, delivered lectures, and consulted on these topics – and on the related issues of leadership, organizational growth and change, and motivation. Proudford is the president of the William E. Proudford Sickle Cell Fund, Inc., and a member of the Maryland statewide Steering Committee on Services for Adults with Sickle Cell Disease.

Jeff Pratt
United Way
LifeBoard Chair

Jeff Pratt joined United Way of Central Maryland in August 2010 as part of the development team. Before United Way, Pratt worked for four years at The Johns Hopkins University as the director of the Office of Faculty, Staff and Retiree Programs. He provided oversight and leadership for university-wide programs, including service recognition, fundraising and a host of community-related activities such as blood drives.

Pratt earned his master’s degree in human services/counseling and his bachelor’s degree in marketing from the State University of New York at Oswego, where he also spent 13 years in alumni and development in a variety of positions, honing his skills in event planning, public relations, marketing, program development and volunteer coordination.

Pratt joined the Greater Chesapeake and Potomac LifeBoard in 2007 and took over as the Chair in 2010.