Chief Executive Officer

Ben Plumley is Chief Executive Officer of Pangaea. Ben’s particular expertise is in mobilizing partnerships between public, private, and community sectors, developed over 20 years in the global fight for AIDS.

Vice President of Technology and Innovation

Ben Cheng is the Vice President of Technology and Innovation at the Pangaea. Prior to joining Pangaea, Ben was the Director of Advocacy and Communications at PATH and was the Deputy Director at the Forum for Collaborative HIV Research, a public private partnership housed in the School of Public Health and Health Services at the George Washington University in Washington, DC.

Vice President of Research and Social Policy

Dr. Megan Dunbar, Vice President of Research and Social Policy at Pangaea Global AIDS, has primary responsibility for the planning, execution, oversight, and monitoring of Pangaea behavioral research, evaluation, and policy efforts, including technical assistance related activities focused on girls and women, and key populations. Megan’s background and expertise is in designing and evaluating interventions that address the social and economic factors which increase HIV vulnerability, such as gender-based violence and inequities in educational and economic opportunities for girls and women. Formerly with the Women’s Global Health Imperative at the University of California, San Francisco, and RTI International, Megan has spent nearly a decade leading initiatives in southern and eastern Africa. .

Chief Financial Officer

Natalie Otten is the Chief Financial Officer of Pangaea, responsible for leadership and oversight of the Finance Department and all financial systems and functions of the organization, including accounting, budgeting, internal controls and the strategic management of the agency's resources. Before joining Pangaea in 2010, Natalie worked for the San Francisco AIDS Foundation. She also has several years of experience as an auditor for a public accounting firm, performing audits and completing tax returns for partnerships, corporations and non-profit organizations.

In 2006 and 2007, Natalie was a small business development volunteer with the Peace Corps in the West African country Burkina Faso, where she focused on micro-credit financing and community project development. Her activities included conducting business training sessions with local women’s groups, as well as educational outreach projects focused on the prevention of HIV/AIDS and malaria.

Natalie received a B.A. in Business Economics and a B.A. in Global Studies from the University of California, Santa Barbara.

Administrative Travel Coordinator

Beverly Burton is the Administrative Travel Coordinator. In her position she manages travel and meeting logistics domestically and abroad for Pangaea and its partners. Additionally, she provides associated administrative support to Pangaea's senior staff.

Research and Program Manager

Olivia Chang is Research and Program Manager at Pangaea. She provides support across projects and to in-country partners in the areas of data collection, management and analysis. In addition, Olivia supports both the implementation of Pangaea programs and development of research and program grants and publications.

Senior Director of Implementation Science

Dr. Barrot Lambdin is the Senior Director of Implementation Science at Pangaea and is an Assistant Adjunct Professor within the Department of Epidemiology and Biostatistics at the University of California, San Francisco and an Affiliate Assistant Professor within the Department of Global Health at the University of Washington.

Project Assistant

Djibrine Mainassara primarily provides administrative support to Pangaea’s projects. Djibrine is a community development professional with 10+ years of nonprofit experience and specialization in project management, accounting, financial analysis and cross-cultural communication.

Prior to join Pangaea, he was in Niamey, Niger at Group For Research and Technology Exchange (GRET), a French international non-profit as a Project Manager. He also worked with the Theater of the Oppressed to increase community awareness around HIV and STDs, young women education, hygiene and forced marriage.  Djibrine Mainassara worked as the Executive Director at the Nigerian Professional Microfinance Institutions Network (ANIP-MF), where he published the first newsletter of this organization as well as developed training annual program and provided event and program coordination. He has a Master’s in macroeconomics from Abdou Moumouni University of Niamey, and is fluent in French, Zarma, Hausa and Tamajec.


Country Coordinator

Imelda Mudekunye-Mahaka is the Country Coordinator of Pangaea's operations in Zimbabwe, including management of the newly established Pangaea Zimbabwe AIDS Trust office. Imelda supports the implementation of Pangaea programs, as well as serves as Director of the SHAZ! Project, a study that has been working with adolescent girls to address structural factors that put them at risk for HIV through economic empowerment and HIV/AIDS life skills education and integrated social support. Imelda‘s first degree is Social work and she is currently studying for a Masters in Development Studies.

Program Manager

Mikaela Rejbrand is a Program Manager at Pangaea. She is managing the Bill & Melinda Gates Foundation grant for identifying approaches to long-term and effective engagement in HIV health and support services in Sub-Saharan Africa.

Staff Accountant

Laura Ruiz is the Senior Accountant bringing extensive experience in nonprofit management, accounting and finance. Prior to Pangaea, she worked in the Philanthropic Services Division at the Tides Foundation in San Francisco. For many years she also managed La Peña Cultural Center in Berkeley, where she served as the organization’s Financial Director and Visual Arts Curator.

Manager, Executive Office

Nikki Smith oversees office management and administrative services for Pangaea. Nikki also serves as the Executive Assistant to the CEO, as well as general support to all of Pangaea's program managers. She has been with Pangaea since September 2011.

Director – Monitoring and Evaluation

Dr Ifeoma Udoh is Monitoring and Evaluation Specialist for Pangaea, and the Research Director for Pangaea's Oakland NIH study. Ife has extensive experience in implementing international and domestic HIV/AIDS programming and monitoring and evaluation activities in low resource settings around the world, including the Caribbean, Asia, and the United States. She currently leads Pangaea’s projects in the Dominican Republic, China and Oakland, California.

35.4 million people worldwide are living with HIV (UNAIDS, Global Report 2012)

18.6 million women worldwide are living with HIV (UNAIDS, Global Report 2012)

1.6 million AIDS-related deaths in 2012 (UNAIDS, Global Report 2012)

6,300 People contract HIV every day - nearly 262 every hour (UNAIDS Global Report, 2012)