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Peter Saling has 14 years of experience designing, leading, and managing programs to increase incomes through agriculture-based livelihoods. His expertise spans from expanding climate resilient livelihoods for marginalized and disadvantaged populations to increasing affordable access to financing for catalyzing enterprise growth. Saling has designed climate smart agriculture, economic development, and financial sector strengthening programs in more than a dozen countries across sub-Saharan Africa, southeast Asia, and the Middle East. He has worked with governments, the private sector, cooperatives and associations, and civil society to link agricultural producers and small businesses to markets, while also designing innovations to engage young people in agriculture and increase earning opportunities for smallholder farmers.

Melissa Schweisguth is an inclusive market systems development and economic growth expert with more than sixteen years of experience in the international development and food and agriculture private sectors. She has focused extensively on designing programs, providing technical expertise for implementation, developing market systems approaches and guidance, and developing and delivering staff training.

Hanna Kovaleva is a program manager with 15 years of experience managing  humanitarian aid and development programs in Ukraine, with a recent focus on the eastern part of the country ravaged by the war with Russia. She has worked with international organizations, including the Foreign, Commonwealth & Development Office (FCDO) and the United Nations, as well as social enterprises. Kovaleva’s work with vulnerable populations has centred around gender equality, non-discrimination, conflict sensitivity, and social inclusion. She has extensive experience with monitoring, evaluation, research, and learning approaches; program management; and communication strategies in public health, mental health, and community stabilisation.

Hailu Zelelew is an economist with 30 years of experience in health financing/economics, health insurance, health policy processes, health systems strengthening and economic development. He has worked on development planning and economic cooperation; policy analysis and development; rural development; program design and management; maternal, newborn and child health; family planning and reproductive health; HIV/AIDS; and capacity building. His financial expertise includes health program costing, resource tracking, health financing policy, health insurance, public financial management, and governance. He also has extensive experience with monitoring, evaluation and research.

Researcher and policy analyst Karin Martinson has extensive knowledge of workforce development and income security policies affecting low-income populations.  With more than 30 years of experience, her research focuses on identifying effective strategies to assist disadvantaged groups seeking to gain a foothold in the labor market. The groups include low-skilled adults, cash-assistance recipients, the long-term unemployed, and those with disabilities or substance use disorders. She oversees Abt’s large portfolio of work at the U.S. Department of Labor and has worked with a wide range of federal and state agencies and philanthropic organizations.  She has led numerous research and evaluation projects, primarily in workforce and income support arena, as a project director, principal investigator, task leader, and content expert. She co-authored more than 50 research reports and briefs and contributed to published volumes on workforce policy. 

Andrew Clarkwest has more than 18 years of experience in workforce policy and evaluation design. He has held lead management and technical roles in many quantitative and mixed-methods studies, including multi-site random assignment evaluations, quasi-experimental impact evaluations, and descriptive studies. He develops evidence to meet the practical needs of program and policy audiences and makes complex research accessible. He has translated research insights through systematic evidence reviews, technical assistance, and easy-to-consume dissemination products.

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.

Dr. Jessica Thornton Walker is an accomplished researcher and the leader of Abt’s quantitative methods team who brings 20 years of experience designing and implementing policy-relevant research. She is a recognized expert in large-scale, multi-site evaluations to assess the impacts of social policies and programs in housing and homelessness, child welfare, adolescent risk-taking behaviors, and substance use.In her role as the Quantitative Methods Lead, Dr. Walker is responsible for the management, staffing, budgeting, solutioning, and strategy that guides the work of 120 quantitative research staff and ensures Abt provides high-quality technical delivery and innovative solutions tailored to clients.

Diane Paulsell is an applied social scientist with more than 20 years of experience designing, conducting, and overseeing mixed-methods policy-focused research, including national multi-site studies. She has also led rapid cycle learning and program improvement efforts with a variety of human services programs and a foundation-funded research program to advance equitable access to family supportive services. Her areas of expertise range from early care and education to parenting, family engagement, youth development and family supportive policies and programs, including nutrition.

Shelley Martin is a gender and sustainable development advisor with a background in women and youth empowerment, inclusive business and innovation, and human rights in supply chains and communities. Her work has engaged local and global organizations in numerous sectors across 15+ countries, spanning climate-smart agriculture, land rights, finance, entrepreneurship, clean energy, STEM, infrastructure, manufacturing and consumer goods.