Leadership - true. Women's Health


Diana Bitner, MD, NCMP

Dr. Diana Bitner, MD

Dr. Diana Bitner is board-certified in obstetrics and gynecology and has been practicing medicine since 1996. Dr. Bitner is the Chief Medical Officer and co-founder of true. Women’s Health™. Dr. Bitner is a Nationally Certified Menopause Physician (NCMP) through the North American Menopause Society (NAMS) and was named the 2015 Menopause Practitioner of the Year. This national award recognized Dr. Bitner’s outstanding evidenced-based care of patients. She has also completed specialized training with the International Society for the Study of Women’s Sexual Health (ISSWSH).

Dr. Bitner received her medical degree from Wayne State University School of Medicine in Detroit and completed her residency in obstetrics and gynecology at Butterworth Hospital in Grand Rapids, Michigan. Dr. Bitner has also written a nationally acclaimed book entitled, “I Want to Age Like That – Healthy Aging Through Midlife and Menopause”.

Allyn Lebster

Allyn Lebster, CEO

Allyn Lebster is a healthcare executive with over twenty years experience. Allyn is the Chief Executive Officer and one of founders of true. Women’s Health™. Allyn is an attorney and was formally the Chief Operating Officer of mmpc, a large multi-specialty physician practice, and a Vice President at Spectrum Health. Allyn has a background in Human Resources and enjoys building and growing a team.

Allyn received her law degree from Thomas M Cooley Law school and her undergraduate degree from University of Georgia.  Allyn lives in Cascade with her husband and three children.

Mark Guzicki

Mark Guzicki, CBO

Mark Guzicki has 25+ years healthcare experience in increasing responsible leadership positions including SVP Business Development and Consulting Services, Spectrum Health. Mark is a Registered Nurse with clinical operations, business development and strategic planning experience. Mark is one of the founders of true. Women’s Health™ as its Chief Business Officer.

Mark received his MBA from Bethel University and his undergraduate degree from Siena Heights University. Mark lives in Allendale with his wife Karen and three children.