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Our Team

The Immunization Partnership is made up of an outstanding team of knowledgeable individuals whose backgrounds comprise public health, policy, law, and finance expertise. We value the collaboration of distinct ideas in an effort to launch advocacy initiatives, establish long-lasting partnerships, support immunization best practices, and conduct grassroots community education programs. We are all committed to the mission of eradicating vaccine-preventable diseases.

Terri Burke

Executive Director

Terri Burke is the former executive director of the ACLU of Texas, a position she held for nearly 13 years.

Terri had a 32-year career in journalism prior to joining the ACLU of Texas. She held senior editor roles at The Hartford Courant, The Dallas Morning News, the Austin American-Statesman, and the Albuquerque Tribune. She also was editor-in-chief of the Abilene Reporter-News.

She is a fourth-generation Texan and a Houston native. She has served on the Greater Houston Partnership’s Quality of Place Committee; volunteered with the Sunshine Coalition that worked with state legislators to increase transparency in government; and is a member of the Philosophical Society of Texas.

Terri studied journalism and political science at The University of Texas at Austin and received a Bachelor of Arts degree in political science from Lamar University.

Hill Powell, J.D.

Chief Operating and Financial Officer

Hill Powell is the Chief Operating and Financial Officer for The Immunization Partnership where she manages daily program and administrative operations. She oversees program development, implementation, and evaluation to ensure existing and emerging community needs are met.

She is a licensed attorney and certified mediator. Before joining the TIP team, Powell spent eight years working in the public health and government sector. She has experience in several leadership positions, including administering ten departments ranging from compliance and auditing to HIPAA privacy and security.

Powell earned her Bachelor of Business Administration in marketing research and analysis and sales management from the University of Houston and her Juris Doctor from South Texas College of Law.

Rekha Lakshmanan, M.H.A.

Chief Strategy Officer

Rekha Lakshmanan, M.H.A. is Chief Strategy Officer for The Immunization Partnership, serving in the role since 2014. Rekha develops and implements the organization’s public policy and advocacy strategy at the Texas Legislature. She has worked three state legislative cycles and successfully passed legislation to improve access to care and health outcomes. Previous to The Immunization Partnership, Rekha spent over twelve years in the private sector helping health care organizations develop preventative and chronic care protocols to improve health outcomes. Rekha is also a contributing expert to Rice University’s Baker Institute for Public Policy. She holds a master’s degree in health care administration from Texas Woman’s University- Houston Medical Center and a B.A. in government from The University of Texas in Austin. Rekha is a graduate of Harvard Kennedy School’s Leadership, Organizing and Action: Leading Change program.

Katy Gore, M.P.H.

Coalitions and Education Program Manager

Katy Gore is Coalition and Education Program Manager of the Immunization Partnership where she conducts community and provider forums to educate the public on the latest in vaccine-related science and builds the capacity of community-based immunization coalitions.

Prior to joining TIP she served as Program Analyst for the National Association of County and City Health Officials (NACCHO). Her experience includes working with local health departments on raising HPV vaccination rates by guiding coalitions through a process of creating a mission and vision statement, partnership building, and the development of an action plan.

Prior to her work with HPV coalitions, Gore worked with the Mobilizing for Action through Planning and Partnerships (MAPP) framework, which guides local health departments through a process of community engagement and strategic partnership building with the goal of creating a Community Health Improvement Plan for Accreditation of their local health department. She spent a year with AmeriCorps Community HealthCorps working with teens on health education. She also served as a Reproductive Educational Advocate at Planned Parenthood.

Gore received her Bachelor of Arts in Psychology and Education from American University and her Master of Public Health from The University of Texas Health Science Center at Houston (UTHealth) School of Public Health.

Executive Committee

John T. Dugan III, M.D.

Gastroenterologist, Medical Clinic of Houston, LLP

Brooke McNeil, C.P.A.

Finance Chair
Tax Senior Manager, Deloitte

Lindy McGee, M.D.

Assistant Professor, Baylor College of Medicine; Academic General Pediatrics Department, Texas Children’s Hospital; Faculty Clinician, Harris Health

Ken Letkeman

At Large
Senior Vice President, Chief Information Officer, Houston Methodist

Nidhi Malpani, M.P.H.

At Large
AVP Strategy Planning, HCA Healthcare Gulf Coast Division


Beth Colle, M.S., C.P.A.

Ernst & Young, LLP

C. Mary Healy, M.D.

Associate Professor, Pediatrics-Infectious Disease, Baylor College of Medicine

Autumn Pruette, M.D.

Texas Children's Pediatrics Baytown

Julie Davidson, M.B.A.

Senior Manager
Cheniere Energy

Nick Janik, M.B.A

Director of Business Development
Children's Memorial Hermann Hospital

Kenneth Russo, M.B.A., CHEP

Chief Financial Officer
HCA Healthcare Houston West

Lisa L. Ehrlich, M.D.

L. Ehrlich & Associates Medical Clinic PLLC

Brandi Johnson

Regional Vice President
Medicaid Plan Marketing, Amerigroup

Kalyani B. Sonawane, Ph.D.

Assistant Professor
The University of Texas Health Science Center at Houston (UTHealth) School of Public Health

Lisa R. Fuller, M.D.

Medical Director, Utilization Management Texas Children’s Health Plan

David R. Lairson, Ph.D.

Professor of Management and Policy Sciences
The University of Texas Health Science Center at Houston (UTHealth) School of Public Health

Cassandra A. Wertz, M.D.

Internal Medicine, Obesity Medicine
First Primary Care

Elizabeth Roath Garcia, M.A. (Ex-Officio)

Manager of Studio and Gallery Programs
The Museum Of Fine Arts, Houston

Gwen Emmett

Director Emerita

Melanie E. Mouzoon, M.D.

Director Emerita

Julie A. Boom, M.D.

Director, Immunization Project, Texas Children's Hospital

Maria Elena Bottazzi, Ph.D.

Baylor College of Medicine, Texas Children's Hospital Center for Vaccine Development

William Decker, Ph.D.

Associate Professor, Pathology and Immunology, Baylor College of Medicine

Peter J. Hotez, M.D., Ph.D.

Baylor College of Medicine, Texas Children’s Hospital, Sabin Vaccine Institute

Albert G. Karam, M.D.

Professor of Clinical Pediatrics UTSW School of Medicine Dallas, TX; President and Owner Karam Pediatric Group

Lindy McGee, M.D.

Baylor College of Medicine, Texas Children’s Hospital, Pediatrics Around the Bend

Melanie Mouzoon, M.D.

Managing Physician for Immunization Practices, Kelsey-Seybold Clinics

Stanley Spinner, M.D.

Texas Children’s Pediatrics

Susan Wootton, M.D.

McGovern Medical School at UTHealth, Memorial Hermann

Strategic Plan Summary for FY 2021 – 2022. Read the summary.

Annual and Financial Reports

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FY 2021 Annual Report

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