Jill Antonishak, PHD

Jill is the founder and Principal Consultant of Three Flights and founder of Outcome Radar, an AI-assisted evaluation platform built for mission-driven organizations.

A published evaluation researcher and community psychologist, Dr. Antonishak brings more than 25 years of rigorous program evaluation and strategy experience to organizations that need to understand what's working, learn from their data, and translate findings into decisions that funders and leadership can act on. Her research includes a randomized controlled trial demonstrating the effectiveness of a reproductive health platform, peer-reviewed publications on human-centered design in evaluation, and collaborative research on Whole Health implementation within the VA.

Her practice spans federal agencies, nonprofits, and international governments—including program evaluation with the VA's Whole Health initiative and Family Caregiver Program, the US Air Force, Navy Special Warfare Family Support, reproductive healht organizations, and government agencies in South Australia. She is particularly interested in how mission-driven organizations can use rigorous evaluation and equitable AI to strengthen their programs without losing the human relationships that make their work matter.

Before founding Three Flights, she managed a philanthropic research portfolio at the Pew Charitable Trusts and served as a US Senate staffer focused on family support, military health, and suicide prevention policy. She holds a PhD in community and developmental psychology from the University of Virginia.

Samantha HArvell, PhD/MPP

Samantha Harvell, PhD/MPP is a partner with Three Flights Consulting. She is a developmental psychologist with more than 15 years of experience bridging research, policy, and practice in juvenile and criminal justice. Dr. Harvell joined Three Flights from the Urban Institute, where she worked with stakeholders in Milwaukee County, Wisconsin to improve youth probation case management and providing research support to the Youth First initiative. At Urban, she led an assessment of Kentucky’s juvenile justice diversion program, served as a co-principal investigator on the OJJDP–funded Bridging Research and Practice in Juvenile Probation project, oversaw assessment of more than 30 states involved in the Justice Reinvestment Initiative, and served as project director of content development for the What Works in Reentry Clearinghouse. Prior to Urban and Three Flights, Dr. Harvell was a research manager with The Pew Charitable Trusts where she managed research projects analyzing criminal and juvenile corrections trends and helped conceptualize and launch Pew’s juvenile justice initiative. She previously worked on education, early childhood, and juvenile justice policy at First Focus, a cross-sector advocacy organization, and as a congressional fellow in the Office of former US Senator Jeff Bingaman. Dr. Harvell holds a PhD in developmental psychology and an MPP from Georgetown University and a BA in psychology from the University of Virginia.

Jasmine MCInnis-Simoncelli, MSW

Jasmine McInnis-Simoncelli, MSW is a Partner at Three Flights with expertise spanning justice equity, community-based research and instructional systems design. Her current work focuses on Three Flights’ justice portfolio, including a partnership with the North Carolina Department of Public Safety and the North Carolina Reentry Council Collaborative to explore unmet needs in local reentry support systems and identify promising strategies to address them. As an instructional systems designer, she contributed to the development of the VA’sWhole Health for All curriculum, developing content focused on social and structural determinants of Health. Prior to Three Flights, McInnis-Simoncelli worked with the Defenders Association of Philadelphia on the Peacemaking program — an alternative sentencing option for non-violent offenders — conducting needs assessments, creating reentry plans, and evaluating the intake process to improve outcomes for justice-involved individuals and the agencies that serve them.

Her work is centered on human and justice-driven approaches, advocacy, and evidence-informed practice. McInnis-Simoncelli holds a Master of Social Work degree from Temple University with a focus on Macro Practice.