Dr. Angeline N. Beltsos, MD
Reproductive Endocrinology & Infertility (REI) Bio

Dr. Angeline Beltsos is a double board-certified physician in Obstetrics & Gynecology and Reproductive Endocrinology & Infertility. She is a nationally and internationally recognized fertility specialist, speaker, educator, researcher, and healthcare entrepreneur.

Dr. Beltsos is CEO and Chief Medical Director at Vios Fertility Institute (Vios 2.0), a Chicago-based tech-forward clinic based on excellence and alacrity  She is also the Medical Director and Founding Physician of Therahaus Wellness Med Spa in Chicago integrating hormonal wellness throughout life.  Dr Beltsos also has held numerous leadership positions, including Founder and CEO of Vios Fertility Institute, Chief Executive Physician and CEO of Clinical Operations at Kindbody, and Managing Partner and Medical Director at Fertility Centers of Illinois. She has authored scientific publications, participated in research initiatives, received multiple teaching awards, and has been recognized as a Castle Connolly Top Doctor for several years.

Also, as Founder and Executive Chair of the Midwest Reproductive Symposium International (MRSi) founded in 2002, it remains one of the leading fertility conferences in the world.  She joined Brown Fertility in 2026 as REI physician.

Passionate about education and mentorship, Dr. Beltsos has trained medical students, residents, fellows, and future healthcare leaders throughout her career and part of the Charlotte Street Initiative. As a mother of four, including one child born through surrogacy, she brings both professional expertise and personal understanding to the family-building journey.

Languages: English, Greek, Spanish

Education & Training

• B.S. Biology – Eastern Michigan University
• Doctor of Medicine (MD) – Michigan State University College of Human Medicine
• Residency Obstetrics & Gynecology – Loyola University Medical Center
• Fellowship Reproductive Endocrinology & Infertility – Washington University in St. Louis
• Executive Education, Artificial Intelligence in Healthcare – Harvard Medical School