Executive Staff


Maureen G. Phipps, MD, MPH, FACOG, began serving as ACOG’s CEO on September 9, 2019. As CEO, she oversees ACOG’s day-to-day operations and provides leadership to more than 200 staff members with her executive team.

Dr. Phipps completed her undergraduate work at Boston College and medical school at the University of Vermont College of Medicine. She completed residency training at Brown/Women & Infants Hospital of Rhode Island, and a Robert Wood Johnson Clinical Scholars fellowship and master’s in public health at the University of Michigan.

Dr. Phipps has held several prominent positions in academia and major health systems. Most recently, she served as chair of the Department of Obstetrics and Gynecology at the Warren Alpert Medical School of Brown University and assistant dean for Teaching and Research in Women’s Health. She also held the roles of executive chief of obstetrics and gynecology at the Care New England Health System and chief of obstetrics and gynecology at Women & Infants Hospital of Rhode Island.

She has been the principal investigator or co-investigator in numerous projects funded through the National Institutes of Health and other national agencies. Highlights include the Brown University National Children’s Study, National Center of Excellence in Women’ Health, Women’s Reproductive Health Research Scholars Program, the Children’s Environmental Health Formative Center, Fit for Delivery, Project REACH, and several other projects related to health outcomes in vulnerable populations.

Over her 25 years of involvement in ACOG, Dr. Phipps has been active in numerous activities, including the Committee on Health Care for Underserved Women, the Women’s Preventive Services Initiative, Committee on Scientific Program, and the Evidence-Based Medicine Expert Work Group for Gynecology. She has also held leadership roles with the American Board of Obstetrics and Gynecology, the Foundation for Exxcellence in Women’s Health, the Council of University Chairs in Obstetrics and Gynecology, and the American Gynecological and Obstetrical Society.

She has been recognized on numerous occasions as an outstanding teacher and mentor, with accolades that include the ACOG Mentor Award for District I, the Council on Residency Education in Obstetrics and Gynecology Excellence in Teaching Award, and the Association of Professors of Gynecology and Obstetrics Excellence in Teaching Award.


Erin Hultman, CPA, MST, is ACOG’s chief financial officer, responsible for financial planning, reporting, and risk management. She also oversees ACOG’s investment and endowment portfolios. 

Prior to joining ACOG, Hultman served as the chief financial officer for subsidiaries with the American Society of Clinical Oncology. She also spent over 15 years in public accounting providing audit, tax, and consulting services to a wide range of tax-exempt organizations. She has over 20 years of experience supporting not-for-profit programs and ensuring organizations’ resource allocation aligns with its mission and goals.

Hultman holds a bachelor’s degree in business administration from James Madison University and a master’s degree in taxation from George Mason University. She is a certified public accountant licensed in the state of Virginia.  

Marc Jackson, MD, MBA, is the vice president of education. In this role, Dr. Jackson oversees the Annual Clinical and Scientific Meeting, the Council on Resident Education in Obstetrics and Gynecology, District and Section Activities, CME, and freestanding postgraduate continuing medical education courses.

Dr. Jackson comes to ACOG from the University of Utah School of Medicine, where he was a professor in the department of obstetrics and gynecology and a maternal–fetal medicine physician. He also practiced maternal–fetal medicine and served as the medical director of interprofessional continuing education at Intermountain Healthcare in Salt Lake City.

A graduate of the University of Texas Southwestern Medical School, Dr. Jackson completed his residency at the University of Texas in San Antonio and his maternal–fetal medicine fellowship at the University of Pennsylvania.

Dr. Jackson served as chair of ACOG’s Committee on Practice Bulletins for obstetrics and was on the editorial board of the Green Journal, the ACOG Committee on Obstetric Practice, and the ACOG Evidence-Based Medicine Work Group.

SKYE PERRYMAN, JD  Skye Perryman, JD

Skye Perryman, JD, is ACOG’s Interim Chief Legal Officer and advises ACOG’s staff and Executive Board on all legal and governance matters for the organization. Ms. Perryman also oversees ACOG’s legal advocacy, including its highly-respected amicus curiae (“friend of the court”) brief practice which provides the U.S. Supreme Court and other federal and state courts with medically accurate information regarding provision of women’s health care.

Ms. Perryman brings a breadth and depth of experience in both the non-profit and private sectors. Her background includes more than a decade of experience litigating high stakes cases and advising a range of clients in complex matters, investigations, and transactions including while practicing at two of the country’s most elite law firms. She has also worked in both legal and policy capacities at national non-profit organizations and has served in leadership positions on numerous non-profit boards. Ms. Perryman is highly regarded for her legal work and leadership, with accolades including: SuperLawyer’s Rising Star designation, a top forty trailblazer designation by The Leadership Center for Excellence, and the Chuck F.C. Ruff Pro Bono Lawyer of the Year Award.

Ms. Perryman holds a Juris Doctor from Georgetown University Law Center where she graduated with honors and was an editor of the American Criminal Law Review. A Harry S. Truman Scholar, she received a Bachelor of Arts magna cum laude from Baylor University. Ms. Perryman teaches a course on reproductive rights and reproductive justice at American University.


CHRISTOPHER M. ZAHN, MDChristopher M. Zahn
Dr. Christopher M. Zahn is the Vice President, Practice Activities. A retired Air Force Officer and member of ACOG’s Armed Forces District, he received his medical degree from Uniformed Services University of the Health Sciences and is a specialist in comprehensive obstetrics and gynecology who has been practicing for 29 years. Before joining ACOG, Dr. Zahn was Professor and Chair of Obstetrics and Gynecology at the Uniformed Services University of the Health Sciences (USUHS), and a staff physician in the Departments of Obstetrics and Gynecology and Pathology at Walter Reed National Military Medical Center in Bethesda, Maryland. He was also the Program Director of the Uniformed Services Residency in Obstetrics and Gynecology, a maximally accredited tri-military Service residency in Obstetrics and Gynecology, under the auspices of the National Capital Consortium at USUHS. Dr. Zahn has also been a member of the ACGME Review Committee for Obstetrics and Gynecology, and is currently a member of the Board of Directors of the American Board of Obstetrics and Gynecology.


CHIEF HUMAN RESOURCES OFFICERJeanne Robinson, ACOG Chief Human Resources Officer

Jeanne Robinson, SPHR, is ACOG’s Chief Human Resources Officer, responsible for talent acquisition, retention, engagement, training, and benefits for the entire ACOG staff. She also oversees emergency services and facilities management for ACOG.

Ms. Robinson brings a breadth and depth of experience in both the for-profit and non-profit arenas. Prior to joining ACOG, she served in numerous human resources leadership positions in a wide variety of industries. Most recently, as Assistant Vice President with Inova Health Systems, she oversaw talent acquisition, organization development, and HR business partners.

Ms. Robinson holds a bachelor’s degree from The Pennsylvania State University in Speech Communications and a master’s degree in Human Resources Development from Webster University. She is certified as a Senior Professional in Human Resources.

American College of Obstetricians and Gynecologists
409 12th Street SW, Washington, DC  20024-2188
Mailing Address: PO Box 96920, Washington, DC 20024-9998