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Philippa Venning has more than 25 years of experience working in international development across the Asia Pacific for government, the private sector, multilateral organisations and NGOs.

Geoff Scahill has over 20 years of experience working in and managing international development programs. He has worked extensively within Papua New Guinea (PNG) and the Pacific – predominantly in Indonesia, Fiji, Samoa, and the Solomon Islands. He brings a long history as a health sector professional and has held roles as a health management advisor and health systems adviser in Pacific Island Countries. Geoff draws on his background in finance and economics to work with counterparts to increase efficiencies within the programs Abt Global delivers.

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. 

In his career as a senior finance and operations executive, Rehberger most recently served as the Senior Vice President, Chief Financial Officer of Engility, a Virginia-based government contractor.  He held similar positions with TASC from 2010 until its merger with Engility in 2015.  Rehberger helped guide both companies as the government industry cycled through a severe downturn and recovery, counseling the Board of Directors regarding strategy, enterprise risk management, cyber security, and compensation.  He previously held executive positions with telecommunications firms XO Communications and MCI. In 2017, Virginia Business awarded Rehberger the Virginia CFO of the Year award for his outstanding commitment to financial stewardship and dedication to the success of Engility.

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.

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).

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.

Lauren Olsho is a senior health economist and evaluator with expertise in random assignment, quasi-experimental evaluation methods, economic modeling methodology, and advanced statistical and econometric analysis.Olsho’s primary research interests are in health, nutrition and health behaviors in vulnerable populations – including the elderly, the poor, program participants, minorities, arrestees and at-risk youth.Olsho recently served as principal investigator on a cluster random assignment evaluation of the Agency for Healthcare Research & Quality On-Time Falls Prevention Initiative, a clinical decision support intervention to reduce falls in long-term care settings.

Melanie Metropolit is a public health strategist with more than 20 years of experience across federal health, research, and international development initiatives.