TIG Leadership

Thomas Archibald, Ph.D. is an associate professor and extension specialist in the Department of Agricultural, Leadership, and Community Education at Virginia Tech. His research and practice focus on program evaluation, evaluation capacity building (especially regarding the emergent notion of “evaluative thinking”), and research-practice integration focusing specifically on contexts of Cooperative Extension and community education. He has facilitated numerous capacity-building workshops around the United States and in sub-Saharan Africa. Archibald is a recipient of the 2013 Michael Scriven Dissertation Award for Outstanding Contribution to Evaluation Theory, Method, or Practice for his dissertation on the politics of evidence in the “evidence-based” education movement. In addition to being a Program Co-Chair of the OL-ECB TIG, he is a Board Member of the Eastern Evaluation Research Society. He received his Ph.D. in Adult and Extension Education from Cornell University in 2013, where he was a graduate research assistant in the Cornell Office for Research on Evaluation under the direction of Bill Trochim. Previously, he was a Youth Development Program Manager with Cornell Cooperative Extension of Tompkins County and an Environmental Education Volunteer with Peace Corps Gabon.

Krisanna Machtmes, Ph.D. (
Chair), is an associate professor, in Patton College of Education at Ohio University

Cheryl Endres, MA, MPA (Co-Chair), is the owner of Kaleidscope Evaluation, LLC, an independent evaluation firm. Her work focuses on building the capacity of her clients to do and use evaluation for organizational and programmatic improvement using particpatory methods. In addition to consulting, she also teaches evaluation in the School of Social Work for Western Michigan University and the Master of Nonprofit Administration program at the Mendoza College of Business at Notre Dame University.

Marcela Gutiérrez 
is an applied anthropologist and qualitative researcher who has worked as a program evaluator for the past 25 years. During this time she has held progressively responsible positions with non-profit and academic institutions concentrating on evaluation, program planning, capacity building and technical assistance around impact assessment of a variety of social programs. As an evaluation generalist, Dr. Gutierrez has worked on national, local, and regional evaluations of human services, education, health, mental health, and broad community-based initiatives. Her clients have included national and local foundations, city and state governments, and non-profits. Her professional work experience includes her current consulting practice in evaluation and program planning in the United States, teaching evaluation courses at the graduate level at the University of Pennsylvania, Drexel University, and the University of South Florida; eight years as Program Director heading multi-site national evaluations at the OMG Center for Collaborative Learning in Philadelphia; three years as Assistant in Research Professor at the University of South Florida, as well as two years as Evaluation Coordinator for the Children’s Board of Hillsborough County, Florida.    


Albaraa Basfar, (Webmaster) Doctoral candidate at Ohio University in Research Methods and Evaluation. His background includes experience in Data visualization, program evaluation, Quantitative, Qualitative, and Mixed method research.

Sally Bond, MA (Past Chair) is President and Senior Consultant with The Program Evaluation Group, LLC (TPEG) based in Pittsboro, NC. She has been an independent program evaluator since 1999 and has more than 30 years of wide-ranging experience in program evaluation, program development, and education research at the preK, K-12, post-secondary, graduate and professional school levels.