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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.

Gerald Adolph is an expert in growth strategy, acquisition strategy and merger integration planning for corporate and mission driven organizations. He led the Global Mergers & Restructuring Practice and was elected senior partner over a 35-year career with Booz Allen Hamilton and its successor strategy companies.Adolph was one of the lead practitioners and developers of Booz's very successful capabilities-driven approach to strategy.  During his consulting career he has primarily focused on assisting clients with growth strategies, new business development, innovation strategy and business redefinition. He often works with companies/entities undergoing very significant industry disruption.

Dr. Fiona Mactaggart is a multi-disciplinary technical advisor with more than 10 years of experience in monitoring, evaluation, research, and learning (MERL); infectious disease control; and public health. As a co-lead of Abt's MERL portfolio, she draws on complexity theory and scientific methods to help clients test what works, discover why it works, and provide timely evidence-based recommendations to inform important decisions about policy and practice. Mactaggart contributes to business development, programme delivery, and thought leadership. She works in five key areas: monitoring (e.g., design of digital tools and visualisation platforms) research (e.g., cross-sectional survey design), evaluation methodologies (e.g., contribution analysis), learning (e.g., portfolio level evidence-informed strategic decision making), and cross-cutting MERL capabilities (e.g., adaptive management and GEDSI). Mactaggart has worked extensively in the Pacific and Southeast Asia.

Sean McClellan, Ph.D. is a mixed-methods researcher with over a decade of experience in full cycle health services research. He has experience managing research projects, developing analytic designs, cleaning and analyzing administrative data, fielding rigorous surveys, conducting qualitative interviews, and communicating findings in plain language.

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.

Jessica Gillmore is an international and community development professional with more than 20 years of experience working in Asia and the Pacific. She has expertise leading teams and managing complex donor programs across a diverse range of sectors including health, gender and women’s empowerment, community-driven development, education, governance and law and justice. She is highly skilled in program design, strategy development, research and evaluation and building stakeholder relationships with government, non-government, civil society and private sector organisations.

Laura Blake has more than 20 years of experience in leading scientific programs and research in the environmental science and policy domain. She has deep expertise in surface water quality restoration and protection and has spent her career designing and implementing scientific studies to support efforts to protect human health and aquatic environments. She has significant knowledge of Clean Water Act rules and regulations and has extensive experience supporting federal and state regulatory programs with implementation of and compliance with the federal Clean Water Act.

Kelly Batsiokis is a management consultant with 20 years’ experience in the education, health, and human services sectors. She has worked in areas ranging from health promotion and adult education to business case development to monitoring and evaluation of health programs. She has worked for non-government organizations and public and private organizations.Kelly has led or contributed to approximately 30 projects, including a diverse range of reviews, evaluations, and business planning projects spanning local, state, and Commonwealth government organizations. Her project roles included project management, reporting, survey development and analysis, literature reviews, stakeholder and consumer interviews, focus groups, workshops, and analysis of qualitative and quantitative data.

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.

Kristin Heck, JD, MBA, has more than 10 years of experience managing and directing technical teams in the development of digital solutions. Ms. Heck contributes her technical expertise to product development, coordinating the development of new technology solutions with IT engineers, developers, and cloud architects, and ensuring timely solution delivery. In addition, she often works closely with program leadership to set key solution objectives, manage the development and product roadmap, analyze customer feedback, and prioritize feature development.