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Chris Long has over 35  years of management consulting and service delivery expertise in the public-sector market. At Abt, he is focused on shaping and driving delivery of strategy and transformation solutions to our clients. He provides executive oversight of operations, growth, delivery, and innovation, while fostering collaboration enterprise-wide.

TJ Shumard is a senior business development executive with two decades of experience advancing priorities for the Centers for Medicare & Medicaid Services (CMS) and state Medicaid priorities. He specializes in pipeline development, capture strategy, and digital modernization across Medicare and Medicaid. Shumard brings deep knowledge of federal procurement, CMS data platforms, and program oversight, with a strong record of shaping complex federal opportunities.

Harold Poston has more than 25 years of experience in federal IT, with deep subject matter expertise across Health IT modernization, Defense Health Agency programs, and Army enterprise IT transformation. Poston leads Abt’s growth strategy for Military Health and VA, connecting federal clients to Abt’s capabilities in digital transformation, data services, and program modernization.

Daniel Gubits conducts research in the areas of housing, homelessness, economic self-sufficiency and disability policy. Gubits’ expertise is in econometric modeling, data analysis, and random assignment program evaluation.Gubits serves as the director of analysis for the Family Options Study, conducted for the U.S. Department of Housing and Urban Development (HUD). He is also leading the impact analysis work for the Social Security Administration’s Benefit Offset National Demonstration (BOND) project. Both of these are random assignment impact evaluations.

Lauren Dunton is a Principal Associate with almost two decades of experience as a social science researcher evaluating programs and analyzing policies relating to homelessness, housing, workforce, and education across the country. As a seasoned Project Director, Ms. Dunton has led complex research and technical assistance projects for a range of federal agencies, state governments, and national foundation and philanthropic organizations. She has expertise in qualitative and mixed-method data collection and analysis, leading project teams, and authoring reports. 

Colleen Grogan Moore has over 30 years of experience implementing community development and housing-based programs in collaboration with state and local governments and nonprofit organizations. She has expertise in providing technical assistance (TA) and training, including to recipients of Department of Housing and Urban Development (HUD) community development, housing, and homeless program funding. She has experience building strong relationships with state and local program grantees and managers and supporting communities in effectively using resources.

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).