Our Team


The Venture Strategies Team


Martha Campbell, PhD
President/CEO and founder
Dr. Campbell is a political scientist and health policy specialist focusing on sustainability, scale and market mechanisms in developing country projects. Previously she directed the population program of the David and Lucile Packard Foundation. She is a Lecturer in the School of Public Health, University of California, Berkeley.

She received her degrees from Wellesley College and the University of Colorado.
Kate Bedford, MPH
Director of Programs
Prior to joining Venture Strategies, Kate served as a graduate student instructor for the Bixby Center for Population, Health and Sustainability at the University of California, Berkeley where she assisted in the Population and Poverty and Family Planning, Population Change and Health courses.  While in graduate school, she worked for the San Francisco Department of Public Health's HIV Prevention Section and at Magnet, a gay men's clinic in San Francisco, assessing HIV test counseling quality and evaluating volunteer programs.  She worked for three years at Health Promotion Services at Stanford University where she coordinated health education programs and co-taught health promotion courses.  Her work at Venture Strategies includes researching the determinants of fertility and fertility decline and analyzing global population policies and attitudes.  She also serves as Communications Manager for the Bixby Center.

Kate holds a master of public health from the University of California, Berkeley School of Public Health with a concentration in health and social behavior.
Nadia Diamond-Smith, MSc
Research Analyst
Prior to joining Venture Strategies for Health and Development, Nadia worked as a Visiting Research Fellow at the Postgraduate Institute of Medical Education and Research in Chandigarh, India, doing a study on maternal anemia in the low income and slum population.  While pursuing her master's degree, Nadia focused her thesis research on malaria in pregnancy in India.  As an undergraduate, she conducted thesis research on fertility decline in Southern India, specifically looking at gender preference and sex selective practices.  Nadia also worked at San Francisco General Hospital doing research on hepatitis B.  Nadia has participated in research projects in Tanzania on contraceptive use and maternal mortality while an intern with the Bixby Center for Population, Health and Sustainability, and in rural Guatemala on the effects of indoor air pollution on maternal and child health.

Nadia received a master of science degree from the London School of Hygiene and Tropical Medicine and a bachelor of arts in Human Biology from Brown University.
Karen Pak Oppenheimer, MS, MPH
Program Manager
Karen is a native of Hong Kong.  Her experience ranges from proteomics research, healthcare information technology, to HIV/AIDS prevention. She has worked in both public and private sectors including Lawrence Livermore National Laboratory, Oracle Corporation and UCSF Institute for Global Health.  She was recently a contract program advisor at United Nations Population Fund, China, based in Beijing.  Her work focused on advocating for the improvement of condom quality in China and its implication on HIV/AIDS programs, and integrating HIV/AIDS services into the existing far-reaching family planning system.  Karen is fluent in Cantonese, Mandarin and proficient in Spanish. 

Karen holds a bachelor of science in chemical engineering from Johns Hopkins University, a master of science in biotechnology from Northwestern University and a master of public health from the University of California, Berkeley.  

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