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Eduardo Castellon has two decades of experience helping public sector clients—from the U.S. Agency for International Development (USAID) and the U.S. Postal Service (USPS) to the Department of Housing and Urban Development—grow and refine their operations and impact. He has extensive experience delivering consulting expertise focused on artificial intelligence (AI), supply chain, procurement, financial management, and advanced analytics. His technological, consultative, and entrepreneurial skills help clients find new ways to address challenges ranging from affordable housing to homelessness to guaranteed income. He also has extensive expertise in technical assistance and implementation (TA&I) approaches. And his management experience includes developing high-performing teams through skills and career development and succession planning.

Kristie McKinley is a federal IT and business development leader with more than 33 years of experience supporting the U.S. Department of Agriculture (USDA).

Marianne El-Khoury is a seasoned health professional with a proven track record of leading and managing large-scale health programs. At Abt, she has held senior management and technical roles on USG-funded projects in health systems strengthening, infectious diseases, and private sector health. She has also led research and evaluation studies in family planning and reproductive health, maternal and child health, and health financing.

Julio Pacca is a psychologist and innovative leader with more than 20 years of experience in health care. He focuses on HIV and AIDS; maternal health; adolescent health; and health systems strengthening. Pacca has worked with donors such as the US Agency for International Development (USAID), the Centers for Disease Control and Prevention, the United Nations, the World Bank, bi-lateral Scandinavian donors, and the William and Flora Hewlett, Goldman, and Bill and Melinda Gates foundations.

Adam Schaefer has over 16 years’ experience developing and managing environmental epidemiology research and evaluation projects. He is an expert in the health impacts of environmental exposures and has worked on both national and international projects, focusing on infectious disease, toxicology, health surveillance, and One Health. Before coming to Abt, Schaefer was a researcher at Florida Atlantic University. He has published numerous epidemiological studies in peer-reviewed journals.

Dr. Heinrich Hock is an economist with 19 years of experience conducting research on labor, education, disability employment, and social insurance. His work focuses on producing results that help policymakers and program staff understand outcomes for priority populations and research-based options for improving outcomes. He develops rigorous and feasible plans for research designs, data collection and analysis, and dissemination of findings. Hock has led work on over a dozen labor-related projects for the U.S. Department of Labor (DOL) and other funders to assess the outcomes for groups such as dislocated workers, youth and adult jobseekers with disabilities, and veterans, among other groups. Hock also has played a key role in U.S. Department of Education (ED) studies to identify solutions for improving career outcomes among special education and adult education participants.