Our Advisors
Katherine VanHise, MD
Medical Advisor, The Fertility Class
OB/GYN, Reproductive Endocrinologist & Fertility Specialist, HRC Fertility, Beverly Hills
Dr. Katherine VanHise is an obstetrician-gynecologist and reproductive endocrinology and infertility (REI) specialist at HRC Fertility Beverly Hills. She graduated summa cum laude from the University of Rochester with degrees in Biochemistry and Classics, earned her medical degree at Penn State College of Medicine, and completed her OB/GYN residency and REI fellowship at Cedars-Sinai Medical Center. During her training, she received awards for resident research, patient safety and quality improvement, and patient satisfaction. Dr. VanHise has published first-author research in journals including Fertility and Sterility and The Journal of Clinical Endocrinology & Metabolism, with research interests including polycystic ovary syndrome, reproductive immunology and fertility preservation. She is a member of the American College of Obstetricians and Gynecologists (ACOG) and the American Society for Reproductive Medicine (ASRM), and is also a registered yoga teacher with Yoga Alliance.
As Medical Advisor, Dr. VanHise reviews The Fertility Class’s content and advises on its specialized movement program for cycle health and fertility, including how movement can be appropriately adapted alongside fertility treatment and across different stages of women’s reproductive health.
Carmen Messerlian, PhD, MSc
Scientific Advisor, The Fertility Class
Founder and CEO, Vie Science
Adjunct Professor, McGill University
Former faculty member, Harvard T.H. Chan School of Public Health
Dr. Carmen Messerlian is a reproductive and environmental epidemiologist and the founder and CEO of Vie Science. Her research examines how environmental exposures and lifestyle factors affect a couple's ability to conceive, maintain a pregnancy and have a healthy child. From 2019 to 2025 she was on the faculty of the Harvard T.H. Chan School of Public Health, with a joint appointment in Obstetrics and Gynecology at Massachusetts General Hospital, and founded the Scientific Early Life Environmental Health and Development (SEED) Program. She has published more than 80 peer-reviewed papers, much of it on how endocrine-disrupting chemicals such as phthalates and PFAS, and the preconception health of both partners, affect fertility, IVF and pregnancy outcomes. She is an adjunct professor at McGill University. She holds a BS in nursing and a PhD in epidemiology from McGill and an MSc in public health from the London School of Hygiene and Tropical Medicine, and began her career as a pediatric nurse at the Montreal Children's Hospital.
As Scientific Advisor, Dr. Messerlian will help shape the scientific direction of The Fertility Class, including evidence development and opportunities for research related to movement and reproductive health.