Meet the WHGI Team
With main offices in Baltimore and partners across the globe, our work carries impact for the world.
A global leader in family planning and reproductive health, the William H. Gates Sr. Institute for Population and Reproductive Health (WHGI), in the Department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health (BSPH), plays a key role in advancing evidence-based family planning policies, practice, and programs worldwide.
The Institute features a dynamic, innovative working environment, with opportunities to work with leaders in research and advocacy, both established and emerging; to contribute at a high level to the organization’s forward progress; and to contribute to sustainable, positive change for women and men, communities, and countries.
For information on open positions at the Institute, browse our Careers page.

Institute Director | Professor
Dr. Philip Anglewicz is Director of the William H. Gates Sr. Institute for Population and Reproductive Health and Principal Investigator of the Performance Monitoring for Action Project.
Institute Director | Professor
Dr. Philip Anglewicz is Director of the William H. Gates Sr. Institute for Population and Reproductive Health and Principal Investigator of the Performance Monitoring for Action Project.

Professor and WHGI Research Director
Caroline Moreau is Professor at the Johns Hopkins Bloomberg School of Public Health, Senior Researcher at the French National Institute of Health and Medical Research (INSERM), and Research Director at the William H. Gates Sr. Institute for Population and Reproductive Health. Her work examines how gender, social class, race, and other forms of social inequality shape sexual and reproductive health across the life course.
Professor and WHGI Research Director
Caroline Moreau is Professor at the Johns Hopkins Bloomberg School of Public Health, Senior Researcher at the French National Institute of Health and Medical Research (INSERM), and Research Director at the William H. Gates Sr. Institute for Population and Reproductive Health. Her work examines how gender, social class, race, and other forms of social inequality shape sexual and reproductive health across the life course.

Executive Director & Principal Investigator, TCI
Kojo Lokko brings an ideal combination of skills and experience with over twenty years of work in family planning, expertise in scaling up programs especially in reproductive health, building private/public sector partnerships, and producing results using social marketing approaches. He has a demonstrated track record in managing large, multi-faceted global programs involving demand generation, supply chain management, service delivery, advocacy with governments and donor engagement.
Executive Director & Principal Investigator, TCI
Kojo Lokko brings an ideal combination of skills and experience with over twenty years of work in family planning, expertise in scaling up programs especially in reproductive health, building private/public sector partnerships, and producing results using social marketing approaches. He has a demonstrated track record in managing large, multi-faceted global programs involving demand generation, supply chain management, service delivery, advocacy with governments and donor engagement.

Deputy Director
In her role as Deputy Director for the William H. Gates Sr. Institute for Population and Reproductive Health, Kellie works to ensure that the multiple global programs and platforms housed within the Institute work synergistically with local partners within the countries in which we work across the globe to utilize science and scholarship to generate social change to advance universal, equitable access to sexual and reproductive health and rights.
Deputy Director
In her role as Deputy Director for the William H. Gates Sr. Institute for Population and Reproductive Health, Kellie works to ensure that the multiple global programs and platforms housed within the Institute work synergistically with local partners within the countries in which we work across the globe to utilize science and scholarship to generate social change to advance universal, equitable access to sexual and reproductive health and rights.

Former Institute Director | Senior Scientist Emeritus
Jose “Oying” G. Rimon II is the former Director of the William H. Gates Sr. Institute for Population and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health and former Principal Investigator of the Challenge Initiative (TCI). Oying is a Senior Scientist Emeritus in the Department of Population and Family Health faculty. He was also the Founding Director of the School’s Center for Public Health Advocacy. Oying chairs the International Steering Committee and the Core Organizing Group of the biennial International Conference on Family Planning.
Former Institute Director | Senior Scientist Emeritus
Jose “Oying” G. Rimon II is the former Director of the William H. Gates Sr. Institute for Population and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health and former Principal Investigator of the Challenge Initiative (TCI). Oying is a Senior Scientist Emeritus in the Department of Population and Family Health faculty. He was also the Founding Director of the School’s Center for Public Health Advocacy. Oying chairs the International Steering Committee and the Core Organizing Group of the biennial International Conference on Family Planning.

Professor
Saifuddin Ahmed, MBBS, PhD, is a Professor at the Department of Population, Family and Reproductive Health, with a joint appointment in the Department of Biostatistics. His research interests include improving estimates of maternal mortality and morbidity in resource-poor settings, family planning modeling, and survey design and intervention evaluation.
Professor
Saifuddin Ahmed, MBBS, PhD, is a Professor at the Department of Population, Family and Reproductive Health, with a joint appointment in the Department of Biostatistics. His research interests include improving estimates of maternal mortality and morbidity in resource-poor settings, family planning modeling, and survey design and intervention evaluation.

Assistant Professor
Suzanne Bell, PhD, MPH, is an Assistant Professor in the Department of Population, Family and Reproductive Health at the Johns Hopkins University Bloomberg School of Public Health, where she received her PhD with a focus in demography.
Assistant Professor
Suzanne Bell, PhD, MPH, is an Assistant Professor in the Department of Population, Family and Reproductive Health at the Johns Hopkins University Bloomberg School of Public Health, where she received her PhD with a focus in demography.

Principal Investigator | Associate Professor
Dr. Linnea Zimmerman has a PhD from the Department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health and a Masters in Public Health from Emory University. She has a background in demography and focuses on family planning and women's reproductive health research.
Principal Investigator | Associate Professor
Dr. Linnea Zimmerman has a PhD from the Department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health and a Masters in Public Health from Emory University. She has a background in demography and focuses on family planning and women's reproductive health research.

Assistant Scientist
Carolina Cardona is a health economist focused on understanding demographic processes and their effect on economic development. She is particularly interested in the influence of women’s sexual and reproductive health decisions on women’s roles in society and how they shape demographic transitions.
Assistant Scientist
Carolina Cardona is a health economist focused on understanding demographic processes and their effect on economic development. She is particularly interested in the influence of women’s sexual and reproductive health decisions on women’s roles in society and how they shape demographic transitions.

Demographic Futures Lead
Dr. Apoorva Jadhav is a demographer and an expert in family planning and reproductive health with two decades of experience in evidence-based policy formulation.
Demographic Futures Lead
Dr. Apoorva Jadhav is a demographer and an expert in family planning and reproductive health with two decades of experience in evidence-based policy formulation.

Senior Technical Advisor
Ian Salas joined the faculty of the Johns Hopkins Bloomberg School of Public Health in July 2015 as an Assistant Scientist at the Department of Population, Family and Reproductive Health and a Research Economist at the Bill & Melinda Gates Institute for Population and Reproductive Health. Prior to this, he was a David E. Bell Research Fellow at the Center for Population and Development Studies at Harvard University.
Senior Technical Advisor
Ian Salas joined the faculty of the Johns Hopkins Bloomberg School of Public Health in July 2015 as an Assistant Scientist at the Department of Population, Family and Reproductive Health and a Research Economist at the Bill & Melinda Gates Institute for Population and Reproductive Health. Prior to this, he was a David E. Bell Research Fellow at the Center for Population and Development Studies at Harvard University.

Finance Manager
Carolyn is the Financial Director of the Gates institute, where she led the finance team since 2022. Carolyn has worked for the University for over thirteen years within finance and administration and joined the Gates Institute in 2017.
Finance Manager
Carolyn is the Financial Director of the Gates institute, where she led the finance team since 2022. Carolyn has worked for the University for over thirteen years within finance and administration and joined the Gates Institute in 2017.

Assistant Professor
Dr. Shannon N. Wood's research focuses on the intersection between social determinants of women’s health, most notably gender-based violence, and adverse reproductive and sexual health outcomes.
Assistant Professor
Dr. Shannon N. Wood's research focuses on the intersection between social determinants of women’s health, most notably gender-based violence, and adverse reproductive and sexual health outcomes.

Communications & Marketing Senior Advisor
Kim Martin is an accomplished writer/editor and public affairs specialist with 20+ years’ experience at Johns Hopkins. She is also a digital content strategist and has led the development of several websites, while also producing interactive content for the web. She is currently the Communications and Marketing Senior Advisor for The Challenge Initiative, a $170-million program based at the William H. Gates Sr. Institute for Population and Reproductive Health within the Johns Hopkins Bloomberg School of Public Health.
Communications & Marketing Senior Advisor
Kim Martin is an accomplished writer/editor and public affairs specialist with 20+ years’ experience at Johns Hopkins. She is also a digital content strategist and has led the development of several websites, while also producing interactive content for the web. She is currently the Communications and Marketing Senior Advisor for The Challenge Initiative, a $170-million program based at the William H. Gates Sr. Institute for Population and Reproductive Health within the Johns Hopkins Bloomberg School of Public Health.

Assistant Professor
Celia Karp, PhD, is an Assistant Professor at the Johns Hopkins Bloomberg School of Public Health and a Senior Technical Advisor at the William H. Gates Institute. Her work focuses on reproductive health preferences, services, and outcomes.
Assistant Professor
Celia Karp, PhD, is an Assistant Professor at the Johns Hopkins Bloomberg School of Public Health and a Senior Technical Advisor at the William H. Gates Institute. Her work focuses on reproductive health preferences, services, and outcomes.

Assistant Scientist
Dr. Dana Sarnak studies the intersection of sexual and reproductive health and demography, particularly their intersection around fertility. Specifically, she studies how fertility preferences and contraception intentions influence contraceptive use dynamics in countries experiencing fertility transitions.
Assistant Scientist
Dr. Dana Sarnak studies the intersection of sexual and reproductive health and demography, particularly their intersection around fertility. Specifically, she studies how fertility preferences and contraception intentions influence contraceptive use dynamics in countries experiencing fertility transitions.

Senior Program Officer II
Victor Igharo is a Senior Program Officer II and Nigeria Team Lead for The Challenge Initiative (TCI) at WHGI. He is a seasoned global health leader and social impact expert helping to translate research into high-impact strategies, policies, and programs that deliver systems-level change at scale through inclusive development models and innovative financing. Prior to his current role, he served as Associate Director-Technical with Axios Foundation Nigeria where he managed the new business and strategic program development portfolio.
Senior Program Officer II
Victor Igharo is a Senior Program Officer II and Nigeria Team Lead for The Challenge Initiative (TCI) at WHGI. He is a seasoned global health leader and social impact expert helping to translate research into high-impact strategies, policies, and programs that deliver systems-level change at scale through inclusive development models and innovative financing. Prior to his current role, he served as Associate Director-Technical with Axios Foundation Nigeria where he managed the new business and strategic program development portfolio.

Senior Program Officer II
Kate Graham is the Senior Program Officer II for The Challenge Initiative (TCI), a Gates Foundation and Bayer AG-funded business unusual approach to providing lifesaving reproductive health and family planning solutions to underserved poor communities in urban areas. Kate provides strategic, technical, and programmatic support to India and Philippine in-country teams to deliver effective and sustainable AYSRH and family planning interventions.
Senior Program Officer II
Kate Graham is the Senior Program Officer II for The Challenge Initiative (TCI), a Gates Foundation and Bayer AG-funded business unusual approach to providing lifesaving reproductive health and family planning solutions to underserved poor communities in urban areas. Kate provides strategic, technical, and programmatic support to India and Philippine in-country teams to deliver effective and sustainable AYSRH and family planning interventions.

Advocacy and Communications Manager
Natalie is the Advocacy and Communications Manager at WHGI, where she leads the development of high-impact storytelling, strategic communications, and community engagement initiatives to elevate the voices of key stakeholders in family planning and reproductive health.
Advocacy and Communications Manager
Natalie is the Advocacy and Communications Manager at WHGI, where she leads the development of high-impact storytelling, strategic communications, and community engagement initiatives to elevate the voices of key stakeholders in family planning and reproductive health.

Research Program Officer
Guy Bai provides support for data Management activities for PMA countries at the global level as a Program Officer. Prior of joining PMA technical Unit, Guy was working as a Senior Data Manager at Institut Supérieur des Sciences de la Population (ISSP) in Burkina for the PMA project and among other projects affiliated with ISSP.
Research Program Officer
Guy Bai provides support for data Management activities for PMA countries at the global level as a Program Officer. Prior of joining PMA technical Unit, Guy was working as a Senior Data Manager at Institut Supérieur des Sciences de la Population (ISSP) in Burkina for the PMA project and among other projects affiliated with ISSP.

Senior Research Data Analyst
Jessica Mirano is a Master of Public Health graduate from the Johns Hopkins Bloomberg School of Public Health where she earned certificates in biostatistics and epidemiology, and in adolescent health. As part of her program, she interned with UNICEF Belize to provide technical support in setting up a national school-based menstrual health survey.
Senior Research Data Analyst
Jessica Mirano is a Master of Public Health graduate from the Johns Hopkins Bloomberg School of Public Health where she earned certificates in biostatistics and epidemiology, and in adolescent health. As part of her program, she interned with UNICEF Belize to provide technical support in setting up a national school-based menstrual health survey.

Doctoral Student
Jordan Freeman, MPH, is a doctoral student at the Johns Hopkins Bloomberg School of Public Health. At WHGI, Jordan manages youth-focused elements of the International Conference on Family Planning and the NextGen Initiative.
Doctoral Student
Jordan Freeman, MPH, is a doctoral student at the Johns Hopkins Bloomberg School of Public Health. At WHGI, Jordan manages youth-focused elements of the International Conference on Family Planning and the NextGen Initiative.

Research Assistant
Nicole is a Research Assistant at the William H. Gates Sr. Institute for Population and Reproductive Health at Johns Hopkins Bloomberg School of Public Health, where she currently supports data management and visualization, program analytics and grant development across maternal health and sexual and reproductive health and rights initiatives in the Latin America & the Caribbean region.
Research Assistant
Nicole is a Research Assistant at the William H. Gates Sr. Institute for Population and Reproductive Health at Johns Hopkins Bloomberg School of Public Health, where she currently supports data management and visualization, program analytics and grant development across maternal health and sexual and reproductive health and rights initiatives in the Latin America & the Caribbean region.

ICFP Youth Co-chair
Innocent Grant is a public health professional with a background in clinical medicine, gender & development studies. He is dedicated to educating adolescents and young adults on HIV/AIDS,Family Planning, sexual and reproductive health, and rights.
ICFP Youth Co-chair
Innocent Grant is a public health professional with a background in clinical medicine, gender & development studies. He is dedicated to educating adolescents and young adults on HIV/AIDS,Family Planning, sexual and reproductive health, and rights.

Communications Associate | Multimedia Producer
Molly Moesner leads digital communications strategy and multimedia production for the William H. Gates Sr. Institute for Population and Reproductive Health (WHGI) at the Johns Hopkins Bloomberg School of Public Health. She owns end-to-end video production and drives integrated communications that translate complex global health work into compelling, audience-centered content.
Communications Associate | Multimedia Producer
Molly Moesner leads digital communications strategy and multimedia production for the William H. Gates Sr. Institute for Population and Reproductive Health (WHGI) at the Johns Hopkins Bloomberg School of Public Health. She owns end-to-end video production and drives integrated communications that translate complex global health work into compelling, audience-centered content.

Program Officer | Community Liaison
Amarachi Ijeoma serves as the Community Liaison at the William H. Gates Sr. Institute for Population and Reproductive Health, where she coordinates communication and programmatic efforts across diverse partner and community networks. In her role, Amarachi provides critical administrative, promotional, and logistical support for the International Steering Committee Subcommittees.
Program Officer | Community Liaison
Amarachi Ijeoma serves as the Community Liaison at the William H. Gates Sr. Institute for Population and Reproductive Health, where she coordinates communication and programmatic efforts across diverse partner and community networks. In her role, Amarachi provides critical administrative, promotional, and logistical support for the International Steering Committee Subcommittees.

Senior Grants and Contracts Analyst
Lindsey Esry is finance professional with over eight years of experience in higher education. As a Certified Research Administrator, she is knowledgeable in both pre-award and post-award, including grant proposal preparation, budget development, financial management, and award compliance.
Senior Grants and Contracts Analyst
Lindsey Esry is finance professional with over eight years of experience in higher education. As a Certified Research Administrator, she is knowledgeable in both pre-award and post-award, including grant proposal preparation, budget development, financial management, and award compliance.

Grants and Contracts Analyst
Nerrie Navarro is a Grants and Contracts Analyst who joined JHU and the Gates Institute Finance Team in 2024. She is an administrative professional, bringing experience from a university fiscal office as well as investment portfolio administration.
Grants and Contracts Analyst
Nerrie Navarro is a Grants and Contracts Analyst who joined JHU and the Gates Institute Finance Team in 2024. She is an administrative professional, bringing experience from a university fiscal office as well as investment portfolio administration.

Senior Grants and Contracts Analyst
Bethany is a Senior Grants and Contracts Analyst for The Challenge Initiative. She has worked in the financial industry for over 10 years. She has a Bachelor's Degree in Business Administration from Colorado Technical University. Her prior work experience was working for Campbell County Government, as a Grants Specialist. She enjoys spending time with her family and being outdoors during her free time.
Senior Grants and Contracts Analyst
Bethany is a Senior Grants and Contracts Analyst for The Challenge Initiative. She has worked in the financial industry for over 10 years. She has a Bachelor's Degree in Business Administration from Colorado Technical University. Her prior work experience was working for Campbell County Government, as a Grants Specialist. She enjoys spending time with her family and being outdoors during her free time.

Senior Administrative Coordinator
Yvonne Summers White brings more than 30 years of administrative and operations experience supporting leaders in academic medicine, research, and government affairs. She has extensive expertise in day-to-day office operations, calendar management, event logistics, grant and publication submissions, and budget tracking.
Senior Administrative Coordinator
Yvonne Summers White brings more than 30 years of administrative and operations experience supporting leaders in academic medicine, research, and government affairs. She has extensive expertise in day-to-day office operations, calendar management, event logistics, grant and publication submissions, and budget tracking.

Consultant
Karen Hardee is a social demographer expert in research and evaluation and in evidence to inform policy and programming, focusing on sexual reproductive health, including family planning, and human rights-based programming.
Consultant
Karen Hardee is a social demographer expert in research and evaluation and in evidence to inform policy and programming, focusing on sexual reproductive health, including family planning, and human rights-based programming.