LEADERSHIP TEAM

Dr. Marichal became CFOGS President in 2022 and preceded in service by Dr. R. Stan Willliams.  Originally from San Juan, PR, Dr. Marichal completed his undergraduate studies in biology at Princeton University.  He is a graduate of the University of Puerto Rico Medical Sciences Campus and completed his residency in Obstetrics and Gynecology at the Medical College of Georgia in Augusta, GA.  He has been in private practice in Gainesville for 30+ years.

Dr. Kreinest is from Cincinnati, graduating from Xavier University and the University of Cincinnati College of Medicine.  He completed his OB/GYN residency at Wright State University/ Wright-Patterson AFB.  After serving  as Chief of OB/GYN at Homestead AFB in Florida, he entered private practice at Alachua General Hospital in Gainesville.  He has practiced in Gainesville for 34 years and is currently a member of the faculty at the University of Florida.

Dr. Erich Wyckoff is a graduate of the the University of Alabama at Birmingham Medical School and completed his OB/GYN residency at Wright State University.  Dr. Wyckoff has published multiple book chapters, reviewed publications, and secured a surgical patent.  More recently, Dr. Wyckoff joined the practice of Women’s Group of North Florida as their Director of Robotic Service.  He is also a Professor of Gynecology at the University of Central FL.

Christina earned a B.S. in Anthropology from the University of Florida and her B.S.N. from the University of South Florida.  Christina also earned a Master's Degree in Nursing with a concentration in Midwifery from Frontier Nursing University.  She is also a volunteer faculty member for University of Central Florida Department of Obstetrics and Gynecology College of Medicine.  As a Gainesville native, she is honored to serve as coordinator of the Centering Pregnancy group prenatal care model at Women's Group of North Florida.

Dr. Williams completed his undergraduate studies and medical school at the University of North Carolina at Chapel Hill.  After graduating from medical school with honors in 1979, he completed residency training in obstetrics and gynecology at the Medical University of South Carolina in Charleston.  Dr. Williams is a veteran of the United States Air Force and joined the University of Florida College of Medicine faculty in 1988.  He remains on the faculty as the Harry Prystowsky Professor of Reproductive Medicine.

Kristin Nobles, APRN, CNM started her healthcare career in 2005 as a Registered Nurse in the Neonatal Intensive Care Unit.  After a few years of caring for premature babies, she transferred to a position in Labor and Delivery, where she remained until graduating with her Master of Science in Nurse Midwifery in 2016.

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Since 2016, Kristin has provided gynecological and obstetric services in community health centers, large academic institutions, and private practice.  Now working in reproductive medicine, Kristin brings her passion and expertise to families on their fertility journey.

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In her spare time, Kristin enjoys traveling, antiquing, exercising, and golf.  Her son is a graduate of the University of Florida and is following in mom's footsteps by pursuing a degree in nursing.

Dr. O'Shea is a Clinical Assistant Professor at the University of Florida Department of Obstetrics and Gynecology.  She earned her undergraduate and medical degrees from the University of South Alabama and completed her residency in obstetrics and gynecology at the University of Florida.

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She currently serves as her department's Director of CME and has clinical interests in the full breadth of obstetrics and gynecology, as well as advanced diagnostic gynecologic ultrasound.