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Dr. Sandra Jo Wilson is a social science researcher with more than 25 years of experience designing and conducting rigorous research, systematic reviews, and meta-analyses across education, workforce development, and human services. 

David Kaz, a principal associate in Abt’s Social and Economic Policy Division, has nearly 20 years of experience providing technical assistance, training, research, and policy analysis. He has worked on a wide range of programs and policies that affect low-income populations. He has directed, designed, and conducted both large- and small-scale, multi-faceted technical assistance projects for federal and state agencies and other clients and stakeholders. Clients have included the U.S. Department of Agriculture (USDA) Food and Nutrition Service, Washington State’s Department of Social and Health Services, King County, and the City of Seattle. He has worked on workforce legislation with members of Congress.

Andrew Alderdice is an experienced health and human services leader with more than 35 years’ experience across Australia, New Zealand and the Pacific. He is currently Abt Global’s Country Manager for Papua New Guinea (PNG).

Elizabeth Giardino’s evaluation and technical assistance work on housing, community development, asset building, and government innovation policies and programs promotes opportunity and healthy outcomes for people across the U.S. Giardino specializes in leading teams, strategic planning, and relationship building, and has proven expertise in incorporating community-based participatory research into technical assistance engagements.

Nichole Fiore is a Principal Associate with over 15 years of experience evaluating housing and homelessness programs across the country, developing deep expertise on homeless service systems, organizational capacity, political and community will, unsheltered homelessness, and permanent supportive housing. Recognizing the critical link between stable, safe housing and overall well-being, Fiore is proven leader bringing together stakeholders who work across many jurisdictions and sectors to address the needs and improve the lives of people experiencing homelessness. She is a regular source for media outlets, often on the topic of homelessness in California.

Etienne Fondjo is a medical entomologist specializing in malaria with 20 years of experience in project management and malaria control funded by the public sector and its partners. He has served as the national malaria coordinator and as the deputy national malaria coordinator in Cameroon’s National Malaria Control Program (NMCP). He has also consulted for the World Health Organization (WHO) in five countries, served as principal investigator for 11 projects in Cameroon, and was the Central Africa coordinator for the Mapping Malaria Risk in Africa (MARA) project in nine countries.

Sanjoti Parekh has 20 years of experience serving in leadership, management, and advisory roles in the Australian healthcare industry. Prior to that she worked as a clinician for five years. With expertise in public health, epidemiology, and primary care, she leads policy and program reviews, rapid and systematic literature reviews, health services planning, and development of population health strategies. In addition, Sanjoti oversees outcome and impact evaluations, post-implementation reviews, and quality-improvement, governance, and research programs.

Katharine Witgert is a health policy researcher with 20 years of public health and health care policy experience. Witgert manages research and analysis of health system innovations, conducting program evaluations for federal clients, including design, implementation, and reporting of findings. She provides technical assistance to state officials, primarily in the areas of Medicaid reforms and building Medicaid agency partnerships with public health, behavioral health, and social services programs.

Joe Donahue is an environmental policy specialist and portfolio manager with more than 15 years of experience supporting governments in developing and implementing policies and programs focused on climate change, clean energy, ozone layer protection, and solid waste management. His work spans both domestic and international programs and initiatives. Technical areas of expertise include climate change mitigation strategies; international capacity building; greenhouse gas quantification methods; short-lived climate pollutants, especially methane, black carbon, and hydrofluorocarbons; and clean energy policies.