POMAF Leadership

POMA Foundation Officers 2023-2024

Pamela Goldman DO

Pamela S.N. Goldman, DO
Chair

Pamela S.N. Goldman, DO, FACOI, is board certified in internal medicine and a medical director for a major healthcare company and a specialist in hospital medicine and utilization medicine. She is also a clinical instructor at the Philadelphia College of Osteopathic Medicine and an adjust professor for the Masters of Health Services Administration program at the Lake Erie College of Osteopathic Medicine.

The 2019-2020 President of the POMA, Dr. Goldman is a fellow of the American College of Osteopathic Internists.  She also serves as a delegate to the POMA and the American Osteopathic Association.  Additionally, she is a member of the American College of Physicians.

Lisa Witherite-Rieg DO POMAF

Lisa A. Witherite-Rieg, DO
Vice Chair

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 chair of POMA's Curriculum Committee and the Committee on Professional Guidance/Young Physicians - West Region.  A member of the POMA Foundation Board of Directors, she 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.

Eric Milie DO

Eric J. Milie, DO
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 POMA, Dr. Milie is also a fellow of the American College of Osteopathic Internists and is a delegate to the POMA and the American Osteopathic Association.

Donna Delfin, DO
Donna L. Delfin, DO
Donna L. Delfin, DO is a board certified family physician who practices at Family Physicians at the Pavilion with Crozer-Keystone Health System in Glen Mills, PA. A graduate of the Philadephia College of Osteopathic Medicine, she completed a family medicine residency at Crozer Family Medicine.

Dr. Delfin is a member of the POMA Board of Trustees and serves on the Executive Committee. The District 2 POMA Chairperson and a delegate to the POMA House of Delegates, she is a member of the American Osteopathic Association.

Anthony DiMarco DO POMAF

Anthony E. DiMarco, DO

Anthony E. DiMarco, DO, FACOFP, is a resident of Kennett Square, PA. Dr. DiMarco is a board certified family physician at MainLine Health Primary Care Concordville in Glen Mills, PA. A board certified independent medical examiner, he is also an adjunct faculty member at the Philadelphia College of Osteopathic Medicine (PCOM) and Penn State University College of Medicine in Hershey, and a Level 1 faculty member at Christiana Health System.

Dr. DiMarco has served as chairman of POMA’s District 2, speaker of the House of Delegates, and as a member of the Executive Committee. Past chair of the POMA Foundation, he also serves as a delegate to the POMA, the American Osteopathic Association and the American College of Osteopathic Family Physicians (ACOFP). A fellow of the ACOFP, he is also a member of the Pennsylvania Osteopathic Family Physicians Society.

Joan Grzybowski DO

Joan M. Grzybowski, DO

Joan M. Grzybowski, DO, FACOFP, is a board certified family physician who practices at Roxborough Health Care Center in Philadelphia.  She is also an assistant professor and practicing physician at the Philadelphia College of Osteopathic Medicine.

Secretary of the American Osteopathic Board of Family Physicians, she is a fellow of the American College of Osteopathic Family Physicians and past president of the Pennsylvania Osteopathic Family Physicians Society. She serves as a delegate to POMA, the American Osteopathic Association and the ACOFP. 

Suzanne Kelley DO

Suzanne K. Kelley, DO

Suzanne K. Kelley, DO, MPA, FACOFP, is a retired board certified family physician residing in Harrisburg, Pennsylvania.  A graduate of Elizabethtown (Pa.) College and a 1977 graduate of the Philadelphia College of Osteopathic Medicine (PCOM), Dr. Kelley completed her postgraduate training at the Hospital of PCOM.  She also completed a quality assurance and utilization review fellowship at the Penn State Milton S. Hershey Medical Center in Hershey, Pennsylvania, and earned her master of public administration degree from Pennsylvania State University. 

Past president of POMA and POFPS, Dr. Kelley is a fellow of the American College of Osteopathic Family Physicians and a diplomate of the American Board of Quality Assurance and Utilization Review Physicians.

Kieren Knapp DO POMAF

Kieren P. Knapp, DO

Kieren P. Knapp, DO, FACOFP dist., is director of medical education at Memorial Hospital in York, Pennsylvania. Board certified in family medicine, he is also a physician at Jacobus (Pa.) Medical Center.

A graduate of Iowa State University and a 1979 graduate of the Des Moines (Iowa) University — Osteopathic Medical Center College of Osteopathic Medicine and Surgery, Dr. Knapp completed his postgraduate training at Memorial Hospital.

A distinguished fellow of the American College of Osteopathic Family Physicians (ACOFP), Dr. Knapp is past president of the POMA and the ACOFP. He is vice chairman of the American Osteopathic Board of Family Physicians. Dr. Knapp is a member of the American Osteopathic Association, the York County Osteopathic Medical Society and the Commission on Osteopathic College Accreditation.

Valeri Roth, DO

Valeri L. Roth, DO

Valeri L. Roth, DO, FAOCO, is a board certified otolaryngologist and facial plastic surgeon with a private practice in Hermitage, Pennsylvania. Dr. Roth is a graduate of Grove City (Pa.) College and a 1992 graduate of the Philadelphia College of Osteopathic Medicine. After completing residency at PCOM, she joined the armed forces and was stationed at Dewitt Army Community Hospital at Fort Belvoir in Virginia and Walter Reed Army Medical Center in Washington, DC. Dr. Roth is a fellow of the American Osteopathic College of Otolaryngology and a member of the American Osteopathic Association.

Frank Tursi DO

Frank M. Tursi, DO

Frank M. Tursi, DO, is a family physician with Medical Associates of Erie in Erie, Pennsylvania.  He is board certified in family medicine with a certificate of added qualifications in geriatrics, and is certified by the American Medical Directors Association.  A Federal Aviation Administration medical examiner, Dr. Tursi is a professor of family medicine, osteopathic manipulative medicine and geriatrics at the Lake Erie College of Osteopathic Medicine in Erie. An active staff member and resident trainer at Millcreek Community Hospital in Erie, he is also a staff member at Presque Isle Rehabilitation and Nursing Center and Golden Living — Walnut Creek. A graduate of Widener College and a 1981 graduate of the Philadelphia College of Osteopathic Medicine, Dr. Tursi completed postgraduate training at Millcreek Community Hospital. 

Past president of POMA, Dr. Tursi is a member of the AOA Board of Trustees.  He is also a member of the  Pennsylvania State Board of Osteopathic Medicine, the American College of Osteopathic Family Physicians, the Pennsylvania Osteopathic Family Physicians Society and the Association of Osteopathic Directors of Medical Education.

William Swallow DO

William B. Swallow, DO

William B. Swallow, DO is board-certified in family medicine in Lewistown, Pennsylvania and is affiliated with Geisinger-Lewistown Hospital. 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. He has been in practice for more than 20 years.

Dr. Swallow is part of the POMA legislative committee, as well as part of the Membership Marketing Committee and the Committee on Men’s Health Issues for the American College of Osteopathic Family Physicians. He is also a trustee with the Pennsylvania Osteopathic Family Physicians Society

George Wolters, Jr. DO

George J. Wolters, Jr., DO

George J. Wolters, Jr., DO, FACOEP, is a board certified emergency medicine physician who lives in West Chester, Pennsylvania.  Founder and past president of RMH Emergency Medicine Assocites, PC in Media, PA, he is a graduate of Widener University in Chester and a 1979 graduate of the Philadelphia College of Osteopathic Medicine.  He completed an internship at Cherry Hill Medical Center in New Jersey and an emergency medicine residency at PCOM. 

A fellow of the American College of Osteopathic Emergency Physicians, he is secretary of POMA's District 2 and serves as a delegate to the POMA and the American Osteopathic Association.

Angela Zawisza, DO

Angela D. Zawisza, DO

Angela D. Zawisza, DO, FAAP, is chair of the pediatric department at Lehigh Valley Hospital - Schuylkill in Pottsville, Pennsylvania. Board certified in pediatrics, she is a graduate of Illinois Wesleyan University in Bloomington, and a 2007 graduate of Des Moines (Iowa) University - Osteopathic Medical Center College of Osteopathic Medicine and Surgery. She completed an internship and pediatric residency at Geisinger Medical Center's Janet Weis Children's Hospital in Danville, Pennsylvania.

A fellow of the American Academy of Pediatrics, she is a delegate to the POMA and the American Osteopathic Association. 

Diana Ewert

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 Executive Director of the Pennsylvania Osteopathic Family Physicians Society Board and CEO of the POMA Foundation.


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