Search

Matt Bugbee is a federal technology executive with almost three decades of experience leading digital modernization, enterprise IT, and business growth initiatives for civilian agencies.

Marianne El-Khoury is a seasoned health professional with a proven track record of leading and managing large-scale health programs. At Abt, she has held senior management and technical roles on USG-funded projects in health systems strengthening, infectious diseases, and private sector health. She has also led research and evaluation studies in family planning and reproductive health, maternal and child health, and health financing.

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.

Kevin O’Reilly is Abt’s principal accounting officer and a member of both the Pension and 401(k) Advisory Committees. He oversees financial reporting, global tax compliance, government accounting compliance, retirement services, billing, general accounting, payroll and accounts payable. O’Reilly joined Abt Global from Ropes & Gray, LLP, an $800-million law firm, where he was director of finance. Earlier in his career, O’Reilly spent more than 12 years in progressively more responsible roles at Private Healthcare Systems, Inc. He began as manager of accounting and was vice president and controller before the company was sold. O’Reilly also serves as the chairman of the advisory board at St. Francis Xavier School.

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). 

Elizabeth Giardino’s evaluation and technical assistance work on housing, community development, asset building, and government innovation policies and programs promotes opportunity and healthy outcomes for people across the U.S. Giardino specializes in leading teams, strategic planning, and relationship building, and has proven expertise in incorporating community-based participatory research into technical assistance engagements.

Julio Pacca is a psychologist and innovative leader with more than 20 years of experience in health care. He focuses on HIV and AIDS; maternal health; adolescent health; and health systems strengthening. Pacca has worked with donors such as the US Agency for International Development (USAID), the Centers for Disease Control and Prevention, the United Nations, the World Bank, bi-lateral Scandinavian donors, and the William and Flora Hewlett, Goldman, and Bill and Melinda Gates foundations.

William Tuleu leads strategic growth initiatives across the company's U.S. foreign assistance and domestic portfolios.

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.