He has been conducting high quality research and playing leadership roles in a wide variety of Corporation for National and Community Service-funded and other service programs for over two decades. He has served as Principal Investigator, Co-Principal Investigator, or Task Leader for projects including national evaluations of (what became) the Learn and Serve Higher Educator Program, the Community Higher Education School Partnership (CHESP), and the institutionalization of service-learning programs. He has also led studies of service-learning and related programs such as the Learning In Deed Initiative funded by the Kellogg Foundation, Active Citizenship Today (operated by the Constitutional Rights Foundation and Close-Up Foundations), Earth Force, and the Campaign for the Civic Mission of Schools, as well as additional service programs funded by the States of Massachusetts, Florida, and Illinois.