POMA Leadership

President

Lisa A. Witherite-Rieg, DO, FACOFP, recently retired as director of medical education and director of the family medicine residency program for Penn Highlands Healthcare in DuBois, Pennsylvania. Board certified in family medicine and osteopathic manipulative medicine, Dr. Witherite-Rieg is a graduate of Gannon University in Erie, Pennsylvania, and a 1992 graduate of the Ohio University College of Osteopathic Medicine. She completed an internship at the former Youngstown (Ohio) Osteopathic Hospital and a family medicine residency at Clarion (Pa.) Osteopathic Community Hospital, now Clarion Hospital.

Dr. Witherite-Rieg is POMA's Education Pillar champion and chair of the Curriculum Committee.  She is also chair of the POMA Foundation Board of Directors and previously served as chair of POMA District 12. A fellow of the American College of Osteopathic Family Physicians, she is a member of the American Osteopathic Association and the Pennsylvania Osteopathic Family Physicians Society.

President-elect

 
John J. Kalata, DO
Erie

John J. Kalata, DO, MS, FACOFP, is director of medical education and program director of the family medicine residency at Millcreek Community Hospital in Erie, Pennsylvania. Board certified in family medicine, he also maintains a private family medicine practice in Erie.

A graduate of the University of Notre Dame and a 1986 graduate of the Philadelphia College of Osteopathic Medicine, he completed his postgraduate training at Doctors Osteopathic Hospital in Erie. Dr. Kalata also completed a master’s degree in medical education at the Lake Erie College of Osteopathic Medicine.

A fellow of the American College of Osteopathic Family Physicians (ACOFP), Dr. Kalata is a delegate to the POMA House of Delegates, the ACOFP Congress of Delegates and the AOA House of Delegates. He is also a member of the POMA Foundation Board of Directors, the Pennsylvania Osteopathic Family Physicians Society, and the Association of Osteopathic Directors and Medical Educators.

Vice President

William B. Swallow, DO
Dingmans Ferry

William B. Swallow, DO, MS, FACOFP, recently retired as a physician with the Veterans Administration. Board certified in family medicine, Dr. Swallow attended the Philadelphia College of Osteopathic Medicine, where he received his medical degree and completed his internship at Community General Osteopathic Hospital in Harrisburg, PA.

Dr. Swallow is champion of POMA's influence pillar. He is also a member of the POMA Foundation Board of Directors. A fellow of the American College of Osteopathic Family Physicians, he is a member of the American Osteopathic Association, the Pennsylvania Osteopathic Family Physicians Society and the PCOM Alumni Board of Directors. He also serves as chair of the Pennsylvania State Board of Osteopathic Medicine.

 Secretary/Treasurer

Eric J. Milie, DO, FACOI, of Erie, is board certified in internal medicine and a physician at Medical Associates of Erie. He is also medical director of outpatient services and director of the internal medicine residency program at Millcreek Community Hospital in Erie.

Secretary/Treasurer of the POMA Foundation, Dr. Milie is also a fellow of the American College of Osteopathic Internists and a delegate to the POMA and the American Osteopathic Association.

Immediate Past President

Joseph M.P. Zawisza, DO, FACOI, FACOP, is a board certified internist and pediatrician with offices in Schuylkill Haven and Orwigsburg, Pennsylvania, which he maintains with his sister.

A graduate of Mansfield (Pa.) University and a 2005 graduate of the Philadelphia College of Osteopathic Medicine, he completed an internal medicine and pediatrics residency at Geisinger Medical Center in Danville, Pennsylvania. 

Dr. Zawisza previously served as chair of POMA's Public Relations Committee, Credentials Committees, and the Committee on Professional Guidance/Young Physicians - Central Region.  He currently serves as a delegate to POMA and the American Osteopathic Association.

A fellow of the American College of Osteopathic Internists and the American College of Osteopathic Pediatricians, he is a member of the POMA Foundation board of directors and is a proud Eagle Scout.

Chief Staff Officer

Diana M. Ewert, MPA, CAE

Diana M. Ewert, MPA, CAE, is the chief executive officer of the Pennsylvania Osteopathic Medical Association (POMA). A graduate of the University of Missouri - Kansas City, Ms. Ewert holds a bachelor’s degree in liberal arts and master’s degree in public administration with nonprofit management emphasis. She earned the designation of Certified Association Executive (CAE) in 1999. She has authored several articles on association management, as well as facilitated strategic planning and conducted a number of educational programs with nonprofit organizations.

Ms. Ewert previously served as the Vice President of Affiliate Affairs for the American Osteopathic Association in Chicago, Illinois. She also served as senior manager of state government relations for the American Academy of Family Physicians in Washington, DC, and executive director of the Missouri Academy of Family Physicians in Jefferson City.

In addition to serving on the POMA Board, Ms. Ewert also serves as CEO of the POMA Foundation.