MetteMette Jacobsgaard, Convener of the Lincoln Workshop Series
Mette is the owner and convener of the Lincoln Workshop Series and has worked with Appreciative Inquiry world-wide since 1994. She started the Lincoln Workshop Series together with Jane Magruder Watkins and Barbara Sloan in Lincoln in 2000 with the objective of training people as AI practitioners. The training builds on substantial practice experience and on the work of David Cooperrider and the NTL Institute approach to experiential learning.
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barbara_sloan_updatedBarbara Sloan
Barbara is an independent consultant with over 35 years of experience, specializing in facilitating organization change, strategic planning, executive coaching and team building. Her work builds alignment, enthusiasm and commitment for follow-through. Her clients include profit, non-profit, public and private sector organizations with an emphasis in international development and health care. Much of this work has involved very diverse groups and has taken place in nearly all regions of the world. Barbara also trains consultants and specializes in providing customized coaching for executives to help organizations improve results by maximizing the performance of key individuals and teams. Contact e-mail:

barbara_brewerBarbara Brewer
Dr. Barbara Brewer has been a professional member of NTL since 1975, conducting T-Groups throughout the world. She has Deaned the Senior Executives for NTL. Using the T-Group methodology, she has presented and run seminars at UCLA, Stanford University, Midwestern State University and many more in the US as well as presented in Singapore and Malaysia.

JulieBarnesJulie Barnes
Julie has a background in national and local government, social research, inspection, and person centred counselling. She has worked with AI since 2002, having trained in the UK and USA, and written about its application in counselling, supervision, research and social care improvement. Julie is a founder member of the UK AI network and an Executive Developer for the Oasis School of Human Relations.

Wik-1447Wick van der Vaart
Wick van der Vaart (1962) has master degrees in Dutch Literature and Social Psychology. He is the founder of the Instituut voor Interventiekunde, based in Amsterdam, the Netherlands. This Institute offers shorter and longer (up to two years) programs in Appreciative Interventionism. Wick has done a certificate track in Appreciative Inquiry with NTL and he is the editor-in-chief op the AI Practitioner.