Machelle (Mache) M. Seibel, MD, NCMP

Dr. Mache (MAYsh) Seibel (rhymes with Bible) is a 25-year member of the Harvard Medical Faculty, author of the best-selling books, The Estrogen Window and The Estrogen Fix, and Editor of the #1 digital magazine for midlife women The Hot Years. His most recent book is Working Through Menopause: The Impact on Women, Businesses and the Bottom Line. Dr. Seibel is also a founder of Second Bloom Health, an educational platform for midlife women. Before transitioning to focus on menopause, Dr. Mache was a leading expert in infertility who performed some of the first In vitro fertilization successes in the United States. Dr. Mache has published over 200 scientific articles and 17 books for both professionals and consumers, and has received multiple national awards for patient education, research and writing. He is also an award-winning musician. He is board certified in gynecology and reproductive medicine and a NAMS Certified Menopause Practitioner (NCMP).