The GLEN Organization

Alan is a co-founder of the Collective Wisdom Initiative, his consulting practice spans thirty-five years of helping leaders and teams apply practical wisdom to complex issues of organizational change and transition. He has given keynotes and conducted workshops throughout the United States and internationally, including co-leading retreats with spiritual leaders like Reb Zalman Schachter-Shalomi.

She supports systems and individuals in societal transformation and complex challenges and is a member of many global OD communities driving positive change in the world. She Co-Founded the Leadership Festival - a collective effort committed to co-emerging the new paradigm(s) of leadership. She has been deeply involved in the Leadership as Sacred Practice work with The GLEN. In her free time Karolina is an avid mountaineer both in summer and winter, a sailor and an explorer of intergenerational narratives.

Mary began her life-long study of human interactions in graduate school then continued the pursuit as a senior associate with Interaction Associates, Inc. before starting Gelinas James, Inc. in 1992. In the early 2000s she expanded her work to include public process, and began her study of how brain science and contemplative practices can improve how people work together. She is a graduate of Russell Delman’s Embodied Life™ Program.

Rob’s career began as director of a camp for children who were blind or deaf. He then joined Procter & Gamble’s marketing team, worked for nearly a decade in the grocery and consumer products industries. In 1986, Rob and his wife built and operated for 20 years a strategic management planning center on Donner Lake, in the Tahoe area. He now focuses on growth planning for privately-held businesses. Rob's background includes a B.A. (economics) at Santa Clara University; an MBA (strategic marketing) at the University of Southern California; with postgraduate work at UCLA. He is partner of The Grove Consultants International and long-time advisor and friend to David Sibbet. 

With more than 25 years of experience, Gisela has supported transformational learning and change processes within a wide range of private and public organizations. Her doctoral work let to reconceptualize rites of passages as a human systems change framework and since then she has been actively integrating indigenous understandings into a more complete approach with her clients. Gisela's deep appreciation for indigenous people is informed by field experiences in Peru, Africa, Australia, and North America.

He is  author of Wiley & Sons’ best-selling Visual Facilitation Series: Visual Meetings, Visual Teams, Visual Leaders, and Visual Consulting (Co-authored with Gisela Wendling). David is designer of The Grove’s Sustainable Organizations Model, the Drexler/Sibbet/Forrester Team Performance. System, The Grove’s Visual Planning Systems, and Facilitation Series. He is a recipient of the Organization Development Network’s Lifetime Achievement Award. David is a student of Arthur M. Young and leading applicant of his Theory of Process. www.thegrove.com