Christopher M. Zahn, MD

Christopher M. Zahn, MD
Interim Chief Executive Officer

Christopher M. Zahn, MD, FACOG, began serving as ACOG’s interim CEO on May 12, 2023. Dr. Zahn fills this role while continuing to serve as chief of clinical practice and health equity and quality. A retired Air Force officer and member of ACOG’s Armed Forces District, Dr. Zahn received his medical degree from Uniformed Services University of the Health Sciences. He is a specialist in comprehensive obstetrics and gynecology with three decades of experience in practice.

Before joining ACOG, Dr. Zahn was professor and chair of obstetrics and gynecology at the Uniformed Services University of the Health Sciences 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 a former member of the board of directors of the American Board of Obstetrics and Gynecology.

Rob Batarla headshot.

Rob Batarla, MBA, CPA
Chief Financial Officer

Rob Batarla, MBA, CPA, joined ACOG in 2022 as Chief Financial Officer overseeing all financial aspects of the College and the Foundation.

Mr. Batarla comes to ACOG with more than 25 years of experience in finance, specifically in the healthcare nonprofit and association space. Most recently, he served as the Chief Financial Officer at Whitman-Walker Health, a federally qualified health center specializing in providing care for those in the LGBTQ community and those living with HIV/AIDS. Prior to that, he spent over a decade as the Executive Vice President/Chief Financial Officer at the American Physical Therapy Association.

Over the years, Mr. Batarla has led teams in almost all areas of association management, including finance, facilities, meetings, marketing, business development, fundraising, membership, products and services, human resources, and information technology. A presenter and author, Mr. Batarla contributed to ASAE’s Handbook of Professional Practices in Association Management, 3rd edition, and in 2019 was featured on the cover of ASAE’s Associations Now magazine.

Mr. Batarla holds a bachelor’s degree in business administration with a concentration in accounting from the College of William and Mary and a master’s degree in business administration from Old Dominion University. In addition, he is a former adjunct professor of accounting at The American University.

Mr. Batarla sits on The Studio Theatre Board of Trustees and the Hearth Foundation Board of Directors.

AnnaMarie Connolly headshot.

AnnaMarie Connolly, MD
Chief of Education and Academic Affairs

AnnaMarie Connolly, MD, serves as Chief of Education and Academic Affairs. She joined ACOG after serving as Vice Chair for Education and Distinguished Professor in the Division of Urogynecology and Reconstructive Pelvic Surgery in the Department of Obstetrics and Gynecology at the University of North Carolina at Chapel Hill. Dr. Connolly completed her residency and fellowship at UNC and has 30 years of clinical experience. Her primary research interests include medical education and the effects of childbirth on the pelvic floor.

Dr. Connolly has worked with all levels of medical learners, serving in the roles of course director, clerkship director, and Residency Program Director. She also served as the Fellowship Program Director for the Female Pelvic Medicine and Reconstructive Surgery Fellowship at UNC.

Dr. Connolly has been awarded the Leonard Tow Humanism in Medicine Award, the UNC School of Medicine Teaching Excellence Award, and the Hyman L. Battle Distinguished Excellence in Teaching Award in the Clinical Sciences. She also has received the H. Fleming Fuller Award for the Physician of the Year Award for the UNC Health Care System. She was named the Annie Louise Wilkerson, MD M’36 Distinguished Professor in 2012.

Dr. Connolly has served as a member and Vice Chair of the ACGME’s Review Committee for Obstetrics and Gynecology and as a Board Examiner for the American Board of Obstetrics and Gynecology for both specialty and FPMRS subspecialty examinations. She currently serves as the Co-Director for the CREOG Residents and Teachers and Leaders Course and Co-Director of ACOG’s Robert C. Cefalo National Leadership Institute.


David "DJ" Johnson, CAE
Chief Membership and Engagement Officer

David “DJ” Johnson, CAE, joined ACOG in 2021 as Chief Membership and Engagement Officer. He leads the Membership and Engagement Division, which includes the District and Section Activities, Meeting Logistics, and Membership departments.

Prior to joining ACOG, Mr. Johnson helped advance the missions of nonprofit associations for over two decades, serving as a chief strategist and innovator in the areas of membership, DEI enhancement, volunteer and leadership development, and stakeholder engagement. He previously served the Association for Women’s Health, Obstetric, and Neonatal Nurses (AWHONN), the Drug Information Association (DIA), and American Association of Diabetes Educators (AADE).

Mr. Johnson earned the Certified Association Executive (CAE) credential in 2008. In 2022, he serves as the Immediate Past Chair of the CAE Commission, the governing body responsible for setting policy and standards related to the CAE program. He also serves as the 2022 Chair of the ASAE Awards Committee and was inducted into the ASAE 2021 Class of Fellows. He completed two terms on the National Board of Trustees of the Institute for Organization Management.

In 2016, Mr. Johnson was selected to be a member of the 2016-2018 class of the ASAE Diversity Executive Leadership Program scholars. In 2013, he gained the dual honors of being named one of Association Forum’s “40 Under Forty” exemplary association executives and one of Association Trends magazine’s Young & Aspiring Association Professionals.

Molly A. Meegan

Molly Meegan, JD
Chief Legal Officer and General Counsel

Molly Meegan, JD, is ACOG’s chief legal officer and general counsel. She oversees ACOG’s legal advocacy, including its government and political affairs work and its highly regarded amicus curiae practice, which allows ACOG to provide the U.S. Supreme Court and other federal and state courts across the country with medically accurate information regarding the provision of obstetric and gynecologic health care. She spearheaded ACOG’s response to the reversal of Roe v. Wade and entered ACOG’s appearance in dozens of state and federal courts explaining the danger of legislative interference in the patient–physician relationship and the criminalization of evidence-based medicine.

Ms. Meegan brings a breadth and depth of experience in both the nonprofit and private sectors. Her career includes over twenty years of counseling Fortune 500 corporations, financial institutions, and nonprofit organizations and their boards. She has served on and chaired various nonprofit boards herself and has expertise in the development of high-functioning boards and organizations. Ms. Meegan also has specialized expertise in the operation of separate but related 501(c)(3), 501(c)(4), and 501(c)(6) nonprofit organizations and their associated political action committees. She speaks regularly on topics such as reproductive rights, advocacy in the courts, corporate social responsibility, and corporate political activities.

Ms. Meegan served as an assistant United States attorney for the District of Columbia under former U.S. Attorney General Eric Holder Jr, JD. She has won numerous awards for her advocacy, including the Human Rights Campaign’s National Ally of Justice Award and the United States Department of Justice Award for Superior Performance of Duty. Ms. Meegan received her law degree magna cum laude from Georgetown University Law Center, where she served as an editor to the Georgetown Law Journal and where she teaches as an adjunct professor.

Jen Walsh

Jennifer Walsh
Chief Product and Marketing Officer

Jennifer Walsh serves as Chief Product and Marketing Officer. She oversees ACOG's product development, publishing, and marketing programs.

Ms. Walsh has 20 years of experience producing dynamic and successful products and programs for education, professional development, and research markets. She began her career in academic publishing, serving in editorial roles with Thomson Learning and Wolters Kluwer before expanding her skill sets and expertise to support digital product development for government agencies, non-profit organizations, and membership associations.

Prior to joining ACOG, Ms. Walsh served in product development roles for the Society for Human Resources (SHRM) and the American Psychiatric Association (APA). Additionally, Ms. Walsh served in leadership roles at Palladian Partners, a public health communications agency, where she directed projects supporting publications, digital media, and meetings and events contracts with the National Institutes of Health, Centers for Disease Control, and National Institute of Justice.

Ms. Walsh holds a BA in History from Lehigh University and is an active member of the Society for Scholarly Publishing (SSP), the American Society of Association Executives (ASAE), and the American Historical Association (AHA).

Chief Information Officer Mark Wilson

Mark Wilson, MS
Chief Information Officer

Mark Wilson, MS, serves as Chief Information Officer charged with aligning information technology (IT) services and capabilities to effectively meet ACOG’s business needs and long-term goals. With more than 30 years’ experience as an IT leader, Mr. Wilson is focused on delivering secure, reliable, and transformative technology solutions through strategic process improvements and the effective use of technology.

Prior to joining ACOG, Mr. Wilson managed IT teams in organizations ranging from large, multinational professional services firms and medical associations to satellite communications and the U.S. Army. He has a bachelor’s degree in information systems management, a master’s degree in computer systems management, and Project Management Professional certification from the Project Management Institute.