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Presents findings from a multi-site study examining the relationship between PFAS-contaminated drinking water and PFAS levels in residents’ blood across the U.S.

People with a substance use disorder are overrepresented in the justice system, from the arrest phase to incarceration to the risk for recidivism. For example, more than 10 times as many people in prison (58 percent) and sentenced to jail (63 percent)…

Strengthening community systems to detect malnutrition early and ensure all children in Timor-Leste have a healthy start.

Allison Dymnicki has 19 years of experience in designing, directing, and conducting research, evaluation, and technical assistance projects aimed at promoting youth development, behavioral health, and wellbeing, with a particular focus on school, community, and out-of-school settings. She is deeply committed to promoting positive outcomes for all youth. She has partnered with federal agencies like the National Institute of Justice, Centers for Disease Control and Prevention, Assistant Secretary for Planning and Evaluation, and the Department of Education, as well as foundations, state and local educational agencies, and non-profit organizations. Much of her work focuses on developing researcher practitioner partnerships intended to elevate various perspectives, practitioner viewpoints, and youth voices. 

Lauren Pittenger comes to Abt with more than 20 years of experience working in or as a consultant to federal government agencies. She has strong grounding in research and research-based consulting to government clients. She also has extensive experience leading and growing business, managing technical and scientific projects, and coaching and supporting account teams. She has served as a director at Guidehouse, scientific program manager at Booz Allen Hamilton, and lab manager at the U.S. Department of Agriculture. She has worked with the Centers for Disease Control and Prevention (CDC), Food and Drug Administration (FDA), the Canadian Public Health Laboratory Network, the Gates Foundation and the Association of Public Health Laboratories.

Dr. Sebastian Lemire is an evaluation expert with decades of experience designing and managing evaluations of education and workforce development programs. He has extensive experience with a broad range of evaluation approaches, quasi- and non-experimental designs, qualitative and quantitative data collection and analysis methods, as well as systematic evidence reviews.

Nichole Fiore is a Principal Associate with over 15 years of experience evaluating housing and homelessness programs across the country, developing deep expertise on homeless service systems, organizational capacity, political and community will, unsheltered homelessness, and permanent supportive housing. Recognizing the critical link between stable, safe housing and overall well-being, Fiore is proven leader bringing together stakeholders who work across many jurisdictions and sectors to address the needs and improve the lives of people experiencing homelessness. She is a regular source for media outlets, often on the topic of homelessness in California.

Dr. Jessica Thornton Walker is an accomplished researcher and the leader of Abt’s quantitative methods team who brings 20 years of experience designing and implementing policy-relevant research. She is a recognized expert in large-scale, multi-site evaluations to assess the impacts of social policies and programs in housing and homelessness, child welfare, adolescent risk-taking behaviors, and substance use.In her role as the Quantitative Methods Lead, Dr. Walker is responsible for the management, staffing, budgeting, solutioning, and strategy that guides the work of 120 quantitative research staff and ensures Abt provides high-quality technical delivery and innovative solutions tailored to clients.

Hanna Kovalova is a program manager with 15 years of experience managing humanitarian aid and development programs in Ukraine, with a recent focus on the eastern part of the country ravaged by the war with Russia. She has worked with international organizations, including the Foreign, Commonwealth & Development Office (FCDO) and the United Nations, as well as social enterprises. Kovalova’s work with vulnerable populations has centered around gender equality, non-discrimination, conflict sensitivity, and social inclusion. She has extensive experience with monitoring, evaluation, research, and learning approaches; program management; and communication strategies in public health, mental health, and community stabilisation.

Shriya Kalavapudi brings 11 years of experience in dissemination and communication planning and strategy. She has experience with social media management, web and social media analytics, and content development. She also has expertise in communications products and creative materials development, including newsletters, reports, briefs, journal articles, blogs, videos, and infographics. In addition, she has experience with outreach and dissemination, primarily in the federal healthcare space. Kalavapudi translates complex information (health information, data, and research) for audiences of various technical knowledge, including policymakers and practitioners.