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Clark Abt, an engineer, environmentalist, entrepreneur, educator and social scientist, is the founder and past president of Abt Global Inc. He served as Abt’s President from 1965 to 1985, Chairman of the Board of Directors from 1986 to 2005, and was then elected Chairman Emeritus. He is the author of 10 books on social and economic policies and advanced technologies, as well as many articles.Clark Abt was born in Cologne, Germany, in 1929, and came to the United States in 1937. He entered the Massachusetts Institute of Technology as a freshman in aeronautical engineering in 1947 and graduated with a bachelor's degree in general engineering in 1951. He then served four months in the Merchant Marine as an ordinary seaman, followed by a year at Johns Hopkins University as an English instructor, obtaining an M.A. from the Department of Writing, Speech and Drama for this master thesis, “A Year of Poems.”

Michelle Roozeboom-Baker is an applied statistician and health data analytics leader with decades of experience analyzing national Medicare and Medicaid administrative data and partnering with the Centers for Medicare & Medicaid Services (CMS).

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.

Kelly Wagner has over 25 years of experience designing and delivering technical assistance, training, and capacity building. A skilled public health professional trained in epidemiology, she has developed and led more than 10 national TA programs for federal awardees from various agencies including the Substance Abuse and Mental Health Services Administration (SAMHSA), the Health Resources and Services Administration (HRSA), and offices within the Department of Health and Human Services Office of the Assistant Secretary for Health (OASH). Wagner has worked with community-based organizations, health centers, academic institutions, and state/local health agencies, reaching target audiences with unique and diverse public health needs across the lifespan. 

Alan White is a nationally renowned health economist, highly respected for his rapid response to clients’ complex information and research needs with data-driven, creative solutions. As the senior health economist for the Health Policy Practice, he leads high-profile projects and guides the practice’s health economists.

Kate Stillman is a technical leader with more than 25 years of experience in program design, systems thinking, evidence generation and use, monitoring, evaluation and learning, and project management. She has deep experience in global development with specialties in health systems strengthening, infectious and vector-borne diseases, maternal and child health, and sustainability. She drives Abt’s efforts to strengthen the generation, management, and use of high-quality data to inform decisions and improve program quality.

Matt Bugbee is a federal technology executive with almost three decades of experience leading digital modernization, enterprise IT, and business growth initiatives for civilian agencies.

Leslie Vasquez is a health policy and value-based payment expert with 20 years of experience working across federal, state, and commercial health care markets.

Anna Winoto has more than 20 years of experience leading and managing multi-disciplinary teams on complex development programs in Indonesia. Her areas of expertise include public health and nutrition, social protection, child protection, decentralized service delivery, and community-led development.  She is a skilled facilitator of multi-stakeholder collaboration. She has worked with the national governments of Australia and Indonesia and with UNICEF.