Michael Quinn Patton, PhD, is an independent evaluation consultant with more than 40 years of experience. Based in Minnesota, he is a former president of the American Evaluation Association (AEA). His six evaluation books includeDevelopmental Evaluation,Qualitative Research and Evaluation Methods(now in its fourth edition ), andEssentials of Utilization-Focused Evaluation. He is a recipient of the Alva and Gunnar Myrdal Award for outstanding contributions to evaluation use and practice and the Paul F. Lazarsfeld Evaluation Theory Award, both from AEA.

Kate McKegg, MA, is an independent evaluation consultant with more than 20 years of experience. She is Director of The Knowledge Institute Ltd and a member of the Kinnect Group in Hamilton, New Zealand. She is also the current President of the Aotearoa New Zealand Evaluation Association and a former board member of the Australasian Evaluation Society (AES). Ms. McKegg is coeditor ofEvaluating Policy and Practice: A New Zealand Reader. With Nan Wehipeihana, Kataraina Pipi, and Veronica Thompson, she received the Best Evaluation Policy and Systems Award from AES, for the He Oranga Poutama Developmental Evaluation.

Nan Wehipeihana, PostGradDip, is an independent evaluation consultant with more than 20 years of experience, based in Wellington, New Zealand. She specializes in evaluation and research with a focus on Maori, the Indigenous people of New Zealand. She established Research Evaluation Consultancy in 1997 and is a member of the Kinnect Group. Ms. Wehipeihana is a board member of the Aotearoa New Zealand Evaluation Association and a former appointed executive member of AES. Her tribal affiliations are to Ngati Porou and Te Whanau-a-Apanui on the East Coast of New Zealand and Ngati Tukorehe and Ngati Raukawa, north of Wellington, New Zealand.