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Dr. Caroline Logan is a senior associate and health services researcher with over 15 years of experience in policy-focused mixed methods evaluation design, rigorous data collection and analysis, and development of integrated mixed methods reports and deliverables. Her expertise in federal and state health policy includes Medicare and Medicaid financing and delivery systems, care transformation and system integration, social determinants of health, maternal health, the health and well-being of children, and the intersection of health and housing.

Dr. Karen Gray-Adams is an educational psychologist with nearly 25 years of experience in research and technical assistance with an emphasis on educational equity. She provides capacity building and technical assistance on K-16 education and other policy issues, strategic planning, and mixed-methods research. Dr. Gray-Adams has expertise in culturally responsive pedagogy, equity, and educator workforce. She is a team leader and researcher who engages partners and helps build capacity to create solutions at the local, regional, state, and national level. She further supports equity in educational environments by providing one-on-one coaching in culturally responsive and equitable evaluation methods for community-based organizations.

Dr. Lauver has over 25 years of experience as a researcher, evaluator, project director, and technical assistance (TA) provider at the local, state, and federal levels. Her work spans leading initiatives for the U.S. Department of Education 21st Century Community Learning Centers (CLCC) Program; youth development and out-of-school-time learning programs, including serving families and students with disabilities; and teacher professional development in literacy, mathematics, and science. Additional areas of specialization include culturally responsive research and evaluation studies involving quantitative and qualitative methods. A subject matter expert in P-12 education policy, she has produced extensive bodies of knowledge used by thousands of educators at state education agencies, local education agencies, and charter schools.

Researcher and policy analyst Karin Martinson has extensive knowledge of workforce development and income security policies affecting low-income populations.  With more than 30 years of experience, her research focuses on identifying effective strategies to assist disadvantaged groups seeking to gain a foothold in the labor market. The groups include low-skilled adults, cash-assistance recipients, the long-term unemployed, and those with disabilities or substance use disorders. She oversees Abt’s large portfolio of work at the U.S. Department of Labor and has worked with a wide range of federal and state agencies and philanthropic organizations.  She has led numerous research and evaluation projects, primarily in workforce and income support arena, as a project director, principal investigator, task leader, and content expert. She co-authored more than 50 research reports and briefs and contributed to published volumes on workforce policy. 

Katie Kitchin brings more than 25 years of expertise in housing and human services policy that advances the overall well-being of people and communities. She is a subject matter expert in housing finance/development, technical assistance and training, homelessness, justice, and child welfare housing interventions. At Abt, she directs the company’s state and local housing strategy, and partners with clients, local agencies, and organizations on business development and growth opportunities.

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.

Mbuso Jama has more than 17 years of experience as a Monitoring Evaluation Accountability Research and Learning expert (MEAL and MERL). His work has involved humanitarian, rehabilitation, and development efforts in Africa, Asia, and Eastern Partnership countries. His experience ranges from designing MEAL systems for adaptive management to impact evaluations. He has worked on projects funded by the Foreign, Commonwealth & Development Office (FCDO), United Nations, US Agency for International Development (USAID), Canadian International Development Agency, Department of Foreign Affairs and Trade, European Union, and European Civil Protection and Humanitarian Aid Operations.

Dr. Isabel Ana Nhatave has over 20 years of experience implementing STI/HIV/AIDS; family planning; maternal, newborn, and child health; and cervical cancer programs with a focus on health system strengthening. Dr. Nhatave has worked with national, provincial, and district-level governments and with local health facilities to build health system capacity, including health service management, human resources for health, supply chain management, and quality improvement processes. She has successfully advocated for the establishment of technical working groups and quality improvement and management committees and directorates across health areas within the Mozambique Ministry of Health.

Clifford Lubitz is the Chief of Party for the Abt-led USAID-funded health and nutrition activity in Tajikistan, Healthy Mother, Healthy Baby (HMHB). He has 20 years of experience leading efficient and impact-oriented cross-sector programs and initiatives. Lubitz’s expertise includes managing complex health, nutrition, and education programs in collaboration with host governments and the donor community in more than 30 countries.

Mariandrea Chamorro has 20 years of experience managing international development programs. She has provided oversight for the high-quality and compliant execution of large flagship USAID programs while contributing to business development. Chamorro’s areas of expertise include prevention of vector-borne diseases, infectious diseases, maternal and child health, and health systems strengthening. Her clients have included the U.S. Agency for International Development (USAID), the Australian Department of Foreign Affairs and Trade (DFAT), and the UK’s Foreign Commonwealth & Development Office (FCDO).