Our Team

She is a Professor in the department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health.

Strongly dedicated to women’s sexual and reproductive health, she has led several sexual and reproductive health research projects at institutions including the Johns Hopkins Bloomberg School of Public Health, Princeton University, and the National Institute of Health and Medical Research (INSERM) in France. Dr. Moreau’s research interests cover a range of topics including family planning, abortion, social inequalities in sexual and reproductive health and use of SRH services, with expertise in epidemiological methods, survey design and health disparities research. She is particularly committed to working in a multidisciplinary environment which has shaped her thinking by linking social science concepts and statistical methods to develop a better understanding of the processes underlying sexual and reproductive health behaviors and outcomes.

She is a Professor in the department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health.

With a degree in medical anthropology, she has extensive training in both qualitative and cross-cultural research, and has used these methods for both research inquiry and evaluation purposes. Her experience spans work as the qualitative investigator for the Well-Being of Adolescents in Vulnerable Adolescents (WAVE) study (one of the largest cross-cultural qualitative studies on adolescent health), as well as other qualitative studies conducted among adolescent populations in Native American communities, Tanzania, Zambia, and Baltimore.

She has worked in both domestic and international settings focusing on sexual and reproductive health, nutrition, women’s empowerment, gender based violence, and adolescent health. Prior to joining the GEAS team, Kara led a study on child marriage in the Middle East and North Africa partnered with Johns Hopkins Bloomberg School of Public Health, the Women’s Refugee Commission, and UNFPA. Her international experience includes working with multi-national and community based organizations in Cote d’Ivoire, Morocco, South Africa, and Ethiopia. She holds a BS in Biology from Washington University in St. Louis and an MPH in Population and Family Health from the Columbia University Mailman School of Public Health.

In this role, he leads JHU faculty and research partners in longitudinal research using a validated toolkit of measures to assess gender norms. He is also the Director of the Johns Hopkins Urban Health Institute, Professor, and emeritus William H. Gates Chair of the department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health.

Dr. Blum has edited two books and has authored over 300 journal articles, book chapters and special reports. He is the past President of the Society for Adolescent Medicine; has served on the American Board of Pediatrics; is a member of the National Academy of Sciences’ Institute of Medicine; was a charter member of the sub-board of Adolescent Medicine; is a past chair of the Guttmacher Institute Board of Directors; and served as chair of the National Academy of Sciences Committee on Adolescent Health and Development. Dr. Blum has served as a consultant to The World Bank, UNICEF, the United Nations Population Fund (UNFPA), and the WHO. He is the recipient of awards from the Society for Adolescent Medicine, the American Public Health Association, the University of Minnesota’s School of Public Health, the Maternal and Child Health Bureau, and the American Public Health Association.

Mengmeng Li is a Senior Data Analyst for the Global Early Adolescent Study. She is interested in data-driven insights in epidemiology, and use them to inform health policy guidelines. Her research focuses on maternal, perinatal and neonatal health, and adolescent health. She is particularly interested in evaluating the factors associated with high risk of preterm birth and with low- or very-low birth weight infants conceived through In-Vitro Fertilization (IVF) procedure.

Prior joining the GEAS team, Mengmeng worked on projects investigating IVF-facilitated reproductive health at the Center of Reproductive Endocrinology and Infertility at Stanford University, analyzing baseline data for the UNICEF-IKEA South Asia Program for Afghanistan Adolescents Impact Evaluation at the Johns Hopkins Bloomberg School of Public Health, and also worked as a medical volunteer/patient assistant in Obstetrics and Gynecology and Pediatrics departments in hospitals and clinics across the country. She holds a medical degree from Nanjing Medical University in China and an MSPH in Maternal, Fetal and Perinatal Health from the Johns Hopkins Bloomberg School of Public Health.

In his role, he oversees digital communications including social media, website development, email marketing, media relations, and more. He also supports all of the research sites on their communications and youth engagement activities. Trevor previously held positions of Communications Officer at Columbia University's Office of Global Initiatives, Assistant Director of Communications for Georgia State University's School of Public Health, and Research & Communications Coordinator at The Center for Adolescent Health with Johns Hopkins Bloomberg School of Public Health.

Additionally, he has been a community activist on projects spanning research, youth mobilization, music advocacy, and communications working with organizations such as the Bill & Melinda Gates Institute, the Centers for Disease Control, the International Youth Alliance for Family Planning, UN Women, UN SDSN, and many others. Trevor received his B.A. in mass communications with a minor in sociology from Morgan State University, a certificate in media advocacy from Johns Hopkins Bloomberg School of Public Health, and an M.A. in communications from Notre Dame of Maryland University.

Dr. Linnea Zimmerman is an assistant professor in the department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health. She works on adolescent empowerment, data quality, and research innovations for the Global Early Adolescent Study. Dr. Zimmerman also serves as the Associate Director of Research for PMA2020, where she oversees the data management and analytic work for the project. Dr. Zimmerman has interests in the intersection of reproductive health and humanitarian emergencies and wrote her dissertation on techniques for indirect estimation of mortality during and after humanitarian emergencies. She holds a PhD from the Johns Hopkins Bloomberg School of Public Health and a Master in Public Health from Emory University. Dr. Zimmerman focuses on research innovation and data quality and is part of the GEAS research working group.

She is an Assistant Scientist in the department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health. She has worked in both local and global settings focusing on adolescent health, maternal and child health, sexual and reproductive health and HIV/AIDS. Her interests include empowerment, violence and interactive survey methodologies to increase engagement.

Before joining the GEAS team, Astha pursued her DrPH in Community Health and Prevention from Drexel University. Astha’s dissertation assessed the effectiveness of a communication program on Menstrual Health and Hygiene Management among adolescent girls in India. Astha has worked in United States, Canada, Tanzania and Nepal. She has a BSc in Health Studies from University of Waterloo and a MSc in Public Health from London School of Hygiene and Tropical Medicine.

Shoshanna Fine is an Assistant Scientist in the Department of Population, Family and Reproductive Health at the Johns Hopkins Bloomberg School of Public Health and works closely with the GEAS. Her research centers around investigating and improving mental health and well-being among vulnerable populations domestically and globally, with an overall focus on children and adolescents living in adversity. She is also interested in the development and implementation of mental health interventions in low-resource contexts, community-based participatory approaches, and mixed methods research. Prior to joining the GEAS team, Shoshanna pursued her PhD in Mental Health from the Johns Hopkins Bloomberg School of Public Health. She holds an AB in English from Harvard College and a MPH in Global Health and Population from the Harvard T.H. Chan School of Public Health. She has worked in a wide range of settings around the globe, including Indonesia, Thailand, Vietnam, Kenya, Tanzania, and Papua New Guinea.

D. Lori Heise brings over 25 years of experience working on gender and social norms. She is an internationally recognized expert on the causes and consequences of violence against women and children and is Co-investigator on “What Works to Prevent Violence,” a 6 year, multi-million-dollar project to reduce gender-based violence in low and middle income countries. Prior to joining Johns Hopkins, she was a Professor at the London School of Hygiene and Tropical Medicine where she served as Co-Director of STRIVE, an international research consortium dedicated to studying the structural drivers of HIV, including gender inequalities, stigma and criminalization, lack of livelihood options and alcohol use and harmful drinking norms. Dr. Heise is also part of the GEAS research working group.

Charlotte Greenbaum is a PhD student and research assistant with the GEAS. 

Charlotte’s research interests span issues of adolescent sexual and reproductive health and women and girl’s empowerment. Specifically, Charlotte is interested in assessing quantitative measures of adolescent sexuality development and reproductive and sexual autonomy. Prior to starting the PhD program at Johns Hopkins and joining the GEAS team, Charlotte worked as a policy advisor for Population Reference Bureau (PRB). There she managed PRB’s USAID-funded project activities in Nepal on adolescent fertility estimates, contributed quantitative analysis and policy writing to projects in PRB’s international programs, and led data collection for PRB’s World Population Data Sheet. Charlotte holds an SM from the Harvard TH Chan School of Public Health in Global health and Population and a BA from Stanford University in Human Biology and French.