Dr. Marcy Maguire’s interest in reproductive endocrinology began while studying molecular biology at Princeton University, where coursework in embryology and genetics sparked her passion for fertility care. At Everleap Fertility, she combines scientific expertise with a commitment to innovation, including advances in preimplantation genetic testing (PGT) and in vitro fertilization (IVF), to help patients navigate their fertility journeys.

Dr. Maguire is board-certified in reproductive endocrinology and infertility, as well as obstetrics and gynecology. She earned her medical degree from the Medical College of Virginia, completed her residency at Tufts Medical Center, and her fellowship at the National Institutes of Health. She also serves as a Clinical Assistant Professor at Rutgers Robert Wood Johnson Medical School, Medical Director of Liberty Corner Surgical Center, and partner at Short Hills Surgery Center.

Her approach is rooted in advancing reproductive medicine while providing compassionate, personalized care to individuals and couples pursuing parenthood.

Dr. Marcus Jurema is a board-certified reproductive endocrinologist and obstetrician-gynecologist with extensive experience in fertility care and reproductive technology. Before joining Everleap Fertility, he served as a Clinical Assistant Professor at Brown University Medical School, where he directed the Egg Freezing Program and co-directed the Donor Egg Program. He also developed and implemented the university’s In Vitro Maturation (IVM) of Oocytes Program, advancing treatment options for patients pursuing parenthood.

Dr. Jurema earned his medical degree from Stanford University School of Medicine, completed his residency at NewYork-Presbyterian Hospital and Weill Cornell Medical College, and his fellowship in reproductive endocrinology and infertility at Johns Hopkins Medical Institutions. His clinical expertise includes assisted reproductive technologies, fertility preservation, recurrent pregnancy loss, third-party reproduction, and reproductive surgery. A nationally and internationally invited speaker, Dr. Jurema is committed to combining innovative treatments with compassionate, personalized care. He speaks fluent Portuguese and Spanish.

Dr. Susan Treiser is a board-certified reproductive endocrinologist and obstetrician-gynecologist who co-founded IVF New Jersey, now part of Everleap Fertility, where she served as Laboratory Director for 25 years. She earned her bachelor’s degree in genetics from McGill University, a medical degree and PhD in pharmacology from Georgetown University, completed her residency at Robert Wood Johnson Medical School, and her fellowship in reproductive endocrinology at Columbia University.

With expertise in infertility treatment, egg donation, gestational surrogacy, fertility preservation, and reproductive ethics, Dr. Treiser established IVF New Jersey’s egg freezing program in 2005. A published author and recognized leader in reproductive medicine, she is passionate about helping individuals and couples achieve their dreams of parenthood.

Dr. Doreen Hock is a board-certified reproductive endocrinologist and obstetrician-gynecologist dedicated to helping patients achieve their family-building goals through personalized, evidence-based fertility care. She is a Clinical Assistant Professor in the Department of Obstetrics, Gynecology, and Reproductive Science at Rutgers Robert Wood Johnson Medical School, where she also earned her medical degree and completed her residency and fellowship training in reproductive endocrinology and infertility.

Dr. Hock specializes in polycystic ovary syndrome (PCOS) and recurrent pregnancy loss, with a strong interest in advancing fertility treatment through innovative technologies and research. She values the opportunity to apply new developments in reproductive medicine to improve patient outcomes, combining scientific advancements with compassionate care throughout each patient’s fertility journey.

Dr. Kathleen Hong is a board-certified reproductive endocrinologist and infertility specialist with advanced training in both clinical fertility care and embryology. Based in Morristown, New Jersey, she brings a unique understanding of the IVF laboratory to patient care, helping individuals and couples navigate complex fertility challenges through personalized treatment and innovative reproductive technologies.

Dr. Hong serves as a Clinical Assistant Professor in the Department of Obstetrics, Gynecology, and Reproductive Sciences at Rutgers Robert Wood Johnson Medical School. Her research focuses on embryo culture, preimplantation genetic testing (PGT), endometrial synchrony, and heritable genetic disorders. An accomplished researcher and contributor to leading reproductive medicine publications, she is committed to advancing fertility treatment and improving outcomes for patients pursuing parenthood.

Dr. Leo Doherty is a board-certified reproductive endocrinologist and infertility specialist, as well as an obstetrician-gynecologist, who serves as Lead Physician at Everleap Fertility’s Somerset office and Director of Third-Party Reproduction. He earned his medical degree from the University of Massachusetts Medical School, completed his residency at Yale New Haven Hospital, and pursued fellowship training in reproductive endocrinology and infertility at Yale School of Medicine.

Dr. Doherty has a strong background in clinical research and minimally invasive surgery, including robotic-assisted procedures. His areas of expertise include recurrent pregnancy loss, uterine fibroids, fertility preservation, uterine anomalies, and reproductive surgery. A published researcher and nationally invited speaker, he is dedicated to advancing fertility care while providing compassionate, personalized support to patients pursuing parenthood.

Dr. Micheline Chu is a board-certified reproductive endocrinologist and infertility specialist, as well as an obstetrician-gynecologist, dedicated to helping individuals and couples build their families. She graduated with highest honors from Harvard University and earned her medical degree from Harvard Medical School. She completed her residency in obstetrics and gynecology at Yale University School of Medicine and her fellowship in reproductive endocrinology and infertility at NewYork-Presbyterian Hospital through Columbia University.

Dr. Chu specializes in polycystic ovary syndrome (PCOS), male infertility, and nontraditional family building. As a Clinical Assistant Professor at Rutgers Robert Wood Johnson Medical School, she remains engaged in reproductive medicine and research. Known for her personalized approach, Dr. Chu values building meaningful relationships with her patients and providing accessible, compassionate support throughout their fertility journeys.

Dr. Jason Franasiak is a board-certified obstetrician-gynecologist and reproductive endocrinology and infertility specialist who serves as Lead Physician of Everleap Fertility’s Marlton Clinic and Laboratory. He earned his medical degree from the University of Virginia, completed his residency at the University of North Carolina at Chapel Hill, and pursued fellowship training in reproductive endocrinology and infertility through the Rutgers Robert Wood Johnson program.

Dr. Franasiak also holds specialized certifications in embryology and andrology laboratory leadership and has extensive experience in reproductive genetics, IVF laboratory optimization, fertility preservation, and recurrent pregnancy loss. An accomplished researcher and international lecturer, he has authored or coauthored hundreds of scientific publications and serves in editorial and leadership roles across reproductive medicine. His approach combines advanced reproductive technology with individualized care to help patients navigate complex fertility challenges.

Dr. Maria Costantini-Ferrando is a board-certified reproductive endocrinologist and infertility specialist whose background in clinical psychology informs her compassionate, whole-person approach to fertility care. After working with young cancer patients, she pursued medicine to help individuals and couples navigate reproductive challenges and build their families.

Dr. Costantini-Ferrando earned her PhD in Clinical Psychology from Northwestern University and her medical degree from Weill Cornell Medical College. She completed her residency at NewYork-Presbyterian Hospital/Weill Cornell Medical Center and fellowship training in reproductive medicine at Weill Cornell’s Center for Reproductive Medicine and Infertility, with additional training at Massachusetts General Hospital and Memorial Sloan Kettering Cancer Center. Her clinical and research interests include stress and ovarian response, male factor infertility, IVF protocols, and fertility preservation for cancer patients. She also hosts Everleap Fertility’s monthly patient webinar, “The Doctor Is In,” helping patients better understand their treatment and feel supported throughout their fertility journey.

Dr. Mark Sauer is a board-certified obstetrician-gynecologist and reproductive medicine specialist who joined Everleap Fertility through a collaboration with Rutgers Robert Wood Johnson Medical School. He serves as Chair of the Department of Obstetrics, Gynecology, and Reproductive Sciences and is a Professor at the medical school. Dr. Sauer earned his undergraduate degree from Washington University in St. Louis, completed his medical education and residency at the University of Illinois in Chicago, and pursued fellowship training in reproductive endocrinology and infertility at the University of California, Los Angeles. He also holds a Master of Science in Bioethics from Columbia University.

Dr. Sauer’s research focuses on third-party reproduction, fertility preservation for cancer patients and survivors, and ethical issues in reproductive medicine. An accomplished researcher and nationally and internationally invited speaker, he has published more than 200 scientific abstracts and is dedicated to advancing reproductive care through research, education, and thoughtful consideration of the ethical challenges in fertility treatment.

Dr. Michael Bohrer is a board-certified Reproductive Endocrinologist and Obstetrician-Gynecologist, as well as a Clinical Associate Professor in the Division of Reproductive Endocrinology within the Department of Obstetrics and Gynecology and Reproductive Sciences at Rutgers–Robert Wood Johnson Medical School.

He earned his medical degree from the State University of New York–Downstate Medical Center and completed his internship and residency training at Johns Hopkins Hospital in Maryland. Dr. Bohrer went on to pursue advanced fellowship training in Reproductive Endocrinology and Infertility at UMDNJ–Robert Wood Johnson Medical School, where he later served as Director of the IVF Program and as an Assistant Professor in the Department of Obstetrics, Gynecology, and Reproductive Sciences before joining RMA.

Known for his patient-centered philosophy of care, Dr. Bohrer emphasizes thoughtful decision-making, accessibility, and a highly personalized clinical experience.

Dr. Bohrer also appreciates RMA’s culture of continual self-assessment and collaboration. He supports the practice’s commitment to analyzing outcomes, sharing insights among physicians, and refining treatment approaches in pursuit of the highest possible standards in reproductive medicine.

Dr. Michael Drews first encountered reproductive endocrinology as a third-year medical student, sparking a lifelong fascination with the science behind human reproduction. More than twenty-five years into his career, he continues to find the study of early life both humbling and inspiring, approaching his work with the same sense of curiosity and dedication that drew him to the field from the start.

He is a board-certified Reproductive Endocrinologist and Obstetrician-Gynecologist and serves as a Clinical Associate Professor in the Division of Reproductive Endocrinology within the Department of Obstetrics and Gynecology and Reproductive Sciences at Rutgers–Robert Wood Johnson Medical School. Dr. Drews earned his medical degree from Cornell University Medical College, completed his residency training in Obstetrics and Gynecology at North Shore Hospital in Manhasset, New York, and pursued advanced fellowship training in Reproductive Endocrinology at Mount Sinai Medical School.

Highly regarded for both his clinical excellence and commitment to patient care, Dr. Drews has received numerous professional honors throughout his career.

Dr. Drews is equally known for his forward-thinking approach to fertility treatment, remaining dedicated to staying at the forefront of rapidly evolving reproductive technologies. He prioritizes continual innovation and clinical advancement, ensuring that patients benefit from the most current, evidence-based techniques available in the field.

Dr. Paul Bergh discovered his passion for Reproductive Endocrinology while initially practicing in Radiology. While performing imaging studies for infertility patients, he became intrigued by the rapidly evolving field and ultimately chose to shift his focus and pursue advanced training in reproductive medicine. More than two decades after co-founding RMANJ—and following several years of collaboration prior—Dr. Bergh has remained deeply committed to the practice, valuing the balanced and collegial partnership he shares with his fellow founding physicians.

Dr. Paul Bergh is a board-certified Reproductive Endocrinologist, Obstetrician, and Gynecologist and serves as a Clinical Associate Professor in the Division of Reproductive Endocrinology within the Department of Obstetrics and Gynecology and Reproductive Sciences at Rutgers–Robert Wood Johnson Medical School. He earned his medical degree from Robert Wood Johnson Medical School, completed his residency in Obstetrics and Gynecology at Saint Barnabas Medical Center in Livingston, New Jersey, and pursued fellowship training in Reproductive Endocrinology at Mount Sinai School of Medicine.

Known for his longstanding dedication to academic medicine and clinical excellence, Dr. Bergh continues to play a central role in advancing fertility care through his leadership at RMANJ and ongoing collaboration with Rutgers–RWJ Medical School.

Dr. Bat-Sheva Maslow completed her Obstetrics and Gynecology residency at the Hospital of the University of Pennsylvania and went on to pursue advanced fellowship training in Reproductive Endocrinology and Infertility at the University of Connecticut School of Medicine. She is deeply committed to patient education and to guiding individuals and families through some of their most sensitive and meaningful reproductive decisions with clarity, empathy, and respect.

Based out of RMA New Jersey’s Jersey City office, Dr. Maslow provides patients with comprehensive fertility care and has particular expertise in egg freezing and in supporting Orthodox Jewish patients with specialized, culturally thoughtful fertility treatment options.

Dr. Maslow’s approach to care is rooted in education, honesty, and compassion. She prioritizes open communication and individualized treatment planning, ensuring that every patient feels informed, supported, and confident throughout their fertility journey.

Dr. Eli Rybak was introduced to reproductive endocrinology during medical school and quickly committed to the specialty because of its life-changing impact on patients.

He is a board-certified Reproductive Endocrinologist and Obstetrician-Gynecologist and serves as a Clinical Assistant Professor in the Division of Reproductive Endocrinology within the Department of Obstetrics and Gynecology and Reproductive Sciences at Rutgers–Robert Wood Johnson Medical School. His clinical interests include polycystic ovarian syndrome, unexplained infertility, menstrual disorders, fertility preservation, and preimplantation genetic diagnosis.

Dr. Rybak earned his undergraduate degree summa cum laude from Yeshiva University and completed both his medical degree and Master of Public Health at Johns Hopkins University. He remained at Johns Hopkins for residency training, where he received the Chief Resident Award for Excellence in Gynecologic Oncology, before completing his fellowship in Reproductive Endocrinology and Infertility at Montefiore Medical Center and Albert Einstein College of Medicine.

An ordained Orthodox Rabbi, Dr. Rybak provides culturally thoughtful fertility care and collaborates closely with community leaders to ensure treatment plans align with religious considerations while meeting the highest clinical standards.

Dr. Emily Osman is a board-certified Obstetrician-Gynecologist and Reproductive Endocrinologist and Infertility specialist, and serves as the Lead Physician at RMA New Jersey’s Princeton location. She earned her medical degree from the University at Buffalo Jacobs School of Medicine and Biomedical Sciences, completed her residency in Obstetrics and Gynecology at the Medical University of South Carolina, and went on to pursue fellowship training in Reproductive Endocrinology and Infertility through the Jefferson–RMA Fellowship Program in Basking Ridge, New Jersey.

Dr. Osman has led multiple pre-clinical and clinical research trials and has published widely on translational applications in reproductive medicine and strategies to optimize embryology laboratory outcomes. Her clinical and research interests include embryo vitrification, fertility preservation, and egg freezing.

Drawing on both her professional expertise and personal experience, Dr. Osman places great importance on building strong, trusting relationships with her patients. She is deeply committed to delivering individualized, compassionate fertility care and values RMA’s collaborative environment as a center of reproductive excellence that supports her work as both a clinician and a parent.

Dr. Jamie Morris discovered her passion for Reproductive Endocrinology while practicing as an OB/GYN, inspired by the profound impact infertility diagnoses have on patients. She pursued fellowship training in the specialty and joined RMA in 2002.

She is a board-certified Reproductive Endocrinologist and Obstetrician-Gynecologist and serves as a Clinical Assistant Professor at Rutgers–Robert Wood Johnson Medical School. Dr. Morris completed her fellowship at the University of Washington School of Medicine and her residency at Saint Barnabas Medical Center. She earned her B.A. in Biomedical Engineering from Johns Hopkins University and her M.D. from Hahnemann University School of Medicine.

Dr. Morris provides compassionate, patient-focused fertility care, combining advanced technology, daily physician interaction, and individualized treatment to help patients achieve their family-building goals.

Dr. Marie Werner is a board-certified Reproductive Endocrinologist and High-Complexity Clinical Laboratory Director. She completed her fellowship in Reproductive Endocrinology and Infertility at RMANJ through the Rutgers–Robert Wood Johnson program, gaining extensive training in clinical medicine, molecular genetics, and embryology. Dr. Werner completed her Obstetrics and Gynecology residency at NYU Langone Medical Center, where she served as administrative chief resident. She earned her B.S. from Boston College in 2004 and her M.D. from New Jersey Medical School in 2008.

Dr. Thomas Molinaro is a board-certified Reproductive Endocrinologist and Obstetrician-Gynecologist and serves as a Clinical Assistant Professor in the Department of Obstetrics, Gynecology, and Reproductive Sciences at Rutgers–Robert Wood Johnson Medical School. He holds a Master of Science in Clinical Epidemiology from the University of Pennsylvania and earned his medical degree from New Jersey Medical School. Dr. Molinaro completed his residency in Obstetrics and Gynecology and fellowship in Reproductive Endocrinology at the Hospital of the University of Pennsylvania. His clinical specialties include assisted reproductive technology and the treatment of ectopic pregnancy.

Known for his interest in innovative technology, Dr. Molinaro integrates cutting-edge resources into patient care while maintaining a strong focus on research and education, contributing to RMA’s reputation for excellence in both clinical and academic reproductive medicine.

Dr. Pavan Gill is a board-certified OB/GYN and fertility specialist at Everleap Fertility in New Jersey. Originally from Toronto, Canada, she earned her undergraduate and medical degrees from the University of Toronto, where she also completed her residency in Obstetrics and Gynecology. She went on to complete her fellowship in Reproductive Endocrinology and Infertility at RMA New Jersey, now Everleap Fertility.

Dr. Gill has a strong background in clinical research, with work focused on improving IVF outcomes, recurrent implantation failure, genetic testing, and personalized fertility treatment. Her research has been presented at national and international conferences and published in leading medical journals. She is committed to providing individualized, compassionate care that supports patients throughout their family-building journey.

Dr. Gill is board-certified in the United States and Canada, holds Technical Supervisor certification through the American Board of Bioanalysis, and is fluent in Punjabi, Hindi, and Urdu.

Dr. Angela Leung is a reproductive endocrinologist at Everleap Fertility who specializes in fertility treatment, egg freezing, and reproductive health. She earned her undergraduate degree in Ecology and Evolutionary Biology, with a minor in Neuroscience, from Princeton University before completing her medical degree at Indiana University School of Medicine. She went on to complete her residency in Obstetrics and Gynecology and fellowship training in Reproductive Endocrinology and Infertility at Beth Israel Deaconess Medical Center/Harvard Medical School and Boston IVF.

Dr. Leung has contributed to research on IVF outcomes, egg freezing, male infertility, and fertility preservation, helping advance patient understanding of reproductive treatment options. She is dedicated to building trusting relationships with her patients through personalized care, open communication, and education that empowers individuals and couples to make informed decisions about their fertility.

Dr. Soorin Kim is a board-certified minimally invasive gynecologic surgeon at Everleap Fertility in New Jersey. She earned her undergraduate degree in Biology and Visual Arts, graduating magna cum laude from Rutgers College, before receiving her medical degree from Robert Wood Johnson Medical School, where she graduated at the top of her class. She completed her residency in Obstetrics and Gynecology and fellowship in Minimally Invasive Gynecologic Surgery at Yale School of Medicine.

Dr. Kim focuses on minimally invasive, fertility-sparing surgical techniques designed to support reproductive health while minimizing recovery time. Through her commitment to research and individualized care, she strives to provide patients with compassionate guidance and effective treatment tailored to their needs.

Dr. Ndeye-Aicha Gueye is a board-certified obstetrician-gynecologist and reproductive endocrinologist who serves as Lead Physician at Everleap Fertility in Pennsylvania. She earned her medical degree and completed her residency at Rutgers Robert Wood Johnson Medical School before pursuing fellowship training in reproductive endocrinology and infertility at Cleveland Clinic.

Dr. Gueye combines expertise in fertility treatment with a background in minimally invasive and robotic surgery. Her clinical interests include uterine fibroids, polycystic ovary syndrome (PCOS), egg freezing, in vitro fertilization (IVF), and genetic testing. An accomplished researcher and recipient of multiple teaching and clinical awards, she is committed to providing comprehensive, compassionate care that helps patients navigate fertility challenges and achieve their family-building goals.