Work with Dr. Mache

Dr. Mache Works with Individuals and Companies

If you are an individual who wants help dealing with infertility, perimenopause or menopause, please schedule a COMPLIMENTARY CALL below. If you are a corporation looking to position or defend your healthcare products or address the health needs of your workforce, please view Consulting and Strategic Advising below.


Schedule a Complimentary Call!

Got perimenopause or menopause symptoms? Struggling with infertility? Need a jump start to feel better and more in control of your life, work, and relationships? Want to bounce your symptoms and questions by a 20+ years Harvard medical faculty who has tons of wisdom and decades of clinical experience?

To see if you qualify, visit to apply for your free 15-minute “Get Back in Balance” discovery session.

If you’re granted a free consultation, you’ll get access to Dr. Mache’s schedule so you can book your call.

During your time together he’ll discuss how your symptoms are negatively impacting your life, co-create a hopeful vision of your symptoms improvement, and share his plan to help you make that happen in as little as 3 months.


If you are trying to understand the women’s health market, position your health related product for the marketplace or improve the health and performance of your employees, click here to contact Dr. Mache Seibel.


Looking for an experienced industry expert and key opinion leader to work with your company?

Dr. Mache’s broad experience brings a three dimensional perspective to his work with industry. His professional roles span academic medicine as a groundbreaking researcher, director of laboratories and training programs, and division chief at Harvard Medical School; private practice; and industry medical director providing research, marketing and regulatory advice, investor relations and media relations. As an expert witness, Dr. Mache has successfully testified in medico-legal cases, before the FDA for new products, and successfully defended manufacturers in Federal Court.

His consulting experience ranges from start-ups to Fortune 500 corporations.

Contact Dr. Mache to discuss ways he can help your company.

“Dr. Mache served as an expert on my company’s behalf in a legal proceeding in which we prevailed. The judge noted in his decision that Dr. Mache’s testimony was more credible and persuasive than the opposition’s medical expert. Dr. Mache did this by being thoroughly prepared and reasonable in his positions. He also happens to come across as honest, likeable and can explain complex ideas well.”

Andrew J. Lane
Lane Labs


I read Dr. Seibel’s book, “The Estrogen Window” at the insistence of a Doctor I work with. I was in full menopause, and confused about what to do next. The book was straightforward and very educational, explaining how hormone replacement therapy can benefit women in my situation on many levels. The book explained in an easy to read format what the true facts are about the safety and risks of hormone replacement. My experience was enhanced by the opportunity to have a phone consult with Dr. Seibel. He reviewed my medications, and history, and was able to advise me on my whole system, not just one issue. I decided to begin hormone replacement therapy. Dr. Seibel told me what to look out for with follow up tests, (based on my complete list of medications) dosing, and how to use my new prescriptions most effectively. I was greatly comforted by Dr. Seibel’s responsiveness and guidance, since he’s a renowned expert in his field. I would highly recommend Dr. Seibel to any woman trying to gain more clarity on managing this confusing, but workable period of life.
Debby (New York)