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Our Team

Meet the Miami Valley Hospital (MVH) Obstetrics/Gynecology (OB/GYN), Medical-Fetal Medicine, and Women’s Services team.

Marc Belcastro, DO, Medical Director of the NICU and Newborn Nursery at MVH and Clinical Professor at Wright State University

Marc Belcastro, DO, heads up one of the busiest nursery programs in the state. Dr. Belcastro has been with MVH since 1984. He is fellowship-trained and board-certified in Pediatrics and Neonatology by the American Osteopathic Board of Pediatrics and the American Osteopathic Association.

Dr. Belcastro earned his Bachelor of Science degree in Zoology at Ohio State University and his DO from Ohio University College of Osteopathic Medicine. He completed his internship and residency at Doctors Hospital in Columbus where he was Chief Pediatric Resident.

Dr. Belcastro is an Assistant Clinical Professor in Pediatrics and OB/GYN at WSU and a Clinical Associate Professor of Pediatrics at Ohio University College of Osteopathic Medicine. As Medical Director at MVH he is also Neonatal ECMO Director (Extracorporeal Membrane Oxygenation) and Neonatal Research Director.

Christopher Croom, MD, Maternal Fetal Medicine Specialist, Professor at WSU, Miami Valley Hospital Chief of Staff

Christopher Croom, MD, is board-certified and fellowship-trained in Maternal Fetal Medicine. Dr. Croom has been with MVH and Wright State University since 2000.

He received his Medical degree from the Medical University of South Carolina. He completed his internship and residency in Obstetrics and Gynecology and his Maternal-Fetal Medicine fellowship at Memorial Medical Center in Savannah, Georgia.

His current teaching duties at WSU are Division Director of Maternal-Fetal Medicine and Assistant Professor in the Department of Obstetrics and Gynecology. He is also Vice President of Perinatal Partners and Co-Medical Director of the Born Free Committee at MVH, and serves on the board of directors of the Fetal Medicine Foundation of the United States.

David McKenna, MD, Obstetrics Department Chair

Dr. McKenna is a graduate of Case Western Reserve University School of Medicine in Cleveland, Ohio. He completed his residency in Obstetrics and Gynecology with the U.S. Air Force at Wright Patterson Air Force Base and Wright State University in Dayton, Ohio. He received his fellowship training in Maternal-Fetal Medicine at The Ohio State University in Columbus, Ohio.

While on active duty in the U.S. Air Force he was on the faculty at Wright State University for six years attaining the rank of Associate Professor. He also worked part-time with Perinatal Partners, LLC while in the Air Force. Upon completing his Air Force duty, he was on faculty with the Mountain Area Health Education Center in Asheville, North Carolina for one year before returning to Dayton to join Perinatal Partners.

Areas of special interest include the diagnosis and management of preterm labor, preeclampsia, obstetrical and gynecological sonography, prenatal diagnosis, clinical obstetrics, and resident education.

Jiri Sonek, MD, Medical Director of Maternal Fetal Medicine

Jiri Sonek, MD, joined MVH in 1990 as Medical Director of Diagnostic Ultrasound and Antenatal Services and is a full faculty member at WSU. In 2000, he became Medical Director of The Center for Maternal-Fetal Medicine, ultrasound, and genetics at MVH.

Dr. Sonek is board-certified by the American Board of Obstetrics and Gynecology and subspecialty board-certified and fellowship-trained in Maternal-Fetal Medicine.

After receiving his Bachelor’s degree and Medical degree from the University of Chicago, Dr. Sonek completed his internship and residency in Obstetrics and Gynecology at Ohio State University. Dr. Sonek completed his fellowship in MFM under Dr. Kypros Nicolaides at King's College in London.

While doing his residency in London, Dr. Sonek also worked as Chief of the Gynecology Clinics at Royal Air Force Lakenheath Regional Hospital in the United Kingdom. Dr. Sonek also achieved the rank of major in the United States Air Force.

Keith Watson, MD, Medical Director of Minimally Invasive/Robotic Gyn Surgery

Keith A. Watson, MD, FACOG, Diplomate ABOG, Robotic Console Surgery, has been practicing medicine in Yellow Springs, Ohio since 1980. He graduated from the Medical University of South Carolina at Charleston, and completed his residency at St. Elizabeth Medical Center in Youngstown, Ohio. He is a board certified OB/GYN whose practice includes general obstetrics, gynecology, incontinence surgery and infertility.

Dr. Watson has a special interest in robotic surgery. He was one of the first gynecologists in the Dayton area to perform a robotic assisted hysterectomy and myomectomy using the da Vinci Robotic Surgical System. Dr. Watson continues to further his expertise in minimally invasive surgery. He has proctored numerous physicians in Ohio and other states in the use of robotic assisted hysterectomy.

Kathy Erbes, RN, MSN, Director of Clinical Operations for Women’s Services

Kathy earned her Associate Degree in Nursing from Niagra County Community College in Sanborn, New York, her BSN from Daeman College in Amherst, New York, and her MSN from Wright State University. She is a member of OONE(Ohio Organization of Nurse Executives), AWHONN, Perinatal Nurse Management Association and Sigma Theta Tau.

Kathy has over 20 years experience in obstetrical nursing and management. She oversees all inpatient clinical operations for the Berry Women’s Center which includes L&D, PICU, NICU, Family Beginnings Birthing Center, Women’s Unit, the Mother/Baby Units, Birth & Family Education and Lactation Services and the Maternal Fetal Medicine Department.

Jeanne Ponziani, MSA, RN, NE-BC, Director of Clinical Operations at Miami Valley Hospital South

Jeanne received her Bachelor's of Science degree from Wright State University and MSA from Central Michigan University.  She is a member of DONE (Dayton Organization of Nurse Executives), OONE (Ohio Organization of Nurse Executives), the Western Ohio Oncology Nursing Society and the National Oncology Nursing Society.

Jeanne has held various leaderhip roles at MVH and MVHS since 1990, including Nurse Manager of the Labor and Delivery unit and Transitional Nursery, and Administrative Manager of the Center for Women's Healthcare/Gyn Oncology/Perinatal Ultrasound.  In her current role, she oversees clinical operations for MVHS' Women's Services, which includes maternity and the Gynecological Oncology Center.

Sharon Orozco, MS, RNC-OB, Manager Birth & Family Education and lactation Services

Sharon received her BSN from The Ohio State University in 1986 and her MSN from Wright State University in 1994. she is certified in Inpatient OB, Fetal Monitoring, and is a Lamaze Certified Teen Specialist and Certified Lactation Counselor.

Sharon is a member of AWHONN, the Perinatal Consortium for Educational Opportunities, the Perinatal Nurse Management Association, and the Dayton Organization of Nurse Executives.

Sharon manages Birth & Family Education and lactation Services along with Mahogany’s Child and MVH’s Outreach Program.

Julie Scanlan, RN, BSN, Clinical Manager Neonatal Intensive Care Unit and Transition Nursery

Julie received her bachelor’s of nursing degree from Wright State University in 1982. She is a member of AACN.

Julie is the nurse manager of the Neonatal Intensive Care Unit (NICU), a nationally recognized NICU that provides comprehensive care for critically ill newborns. Babies include those born prematurely and full-term newborns with complications.

Katherine Ross, Administrative Manager Maternal Fetal Medicine

Kathy has an Associate Degree in Radiology from Sinclair Community College and an Associate Degree in Ultrasound from Kettering College of Medical Arts. She is a Registered Sonographer with 23 years experience in health care. She is skilled in providing Obstetrical, Gynecological, Abdominal, Neonatal ultrasounds, and assistance with intra-operative procedures.

Beth Tabor-Cruea, RNC-OB, BSN, Clinical Nurse Manager labor and Delivery, PICU, and Family Beginnings Birthing Center

Beth received her BSN from Tennessee Technical University in 1995. She is a member of AWHONN and certified in Inpatient Obstetrics. Beth is the Clinical Nurse Manager for labor & Delivery and MVH’s high risk Perinatal Intensive Care Unit.

Lisa Trefz, MSN, RNC-OB, IBCLC, Perinatal Clinical Nurse Specialist

Lisa received her Diploma in Nursing in 1976 from Miami Valley Hospital School of Nursing. In 1982 she received her BSN from Wright State University, and in 1999 she attained her MSN from the University of Cincinnati.

Lisa is a member of the AWHONN, Sigma Theta Tau, the Perinatal Nurse Management Association, the Ohio Lactation Consultant Association, and the International Lactation Consultant Association.

Lisa works with all departments in the Perinatal areas at MVH. Her focus is with staff and patient/family education throughout the Perinatal Continuum. Special interests and projects include Infant Safety on the MVH campuses and throughout Premier, as well as lactation education/support, and Perinatal Outreach/follow-through within the 17 county region.

Lisa Scherbauer, MSN, RM, Clinical Nurse Manager of the Women’s Unit and the Mother/Baby Units

Lisa received her Associate’s Degree in Nursing from Sinclair Community College in 1981, then went to Andrew’s University where she received her BSN in 1994. In 2009, she attained her Master’s Degree in Leadership and Management from Walden University.

Lisa is a member of sigma theta Tau, Perinatal Nurse Management Association, and the Dayton Organization of Nurse Executives.

Karen Vigeant, RN-OB, MSN, Perinatal Safety Manager

Karen received her Associate Degree in Nursing from St. Petersburg Junior college in St. Petersburg, Florida and earned her BSN from the University of Tampa. She then received her Master of Science Clinical systems Management from Excelsior College in Albany, New York.

Karen is a member of AWHONN. She is Inpatient OB certified and is an Intermediate Fetal Monitoring Instructor.

Karen’s focus is obstetrical safety and finding ways to improve patient outcomes. She coordinates OB drills, collects, evaluates, and analyzes data and orchestrates emergency simulation within the simulation lab. Karen also maintains awareness of changing obstetrical practices and policies and shares this with the obstetrical team.