About us


Ralph Weickel

Ralph Weickel is President of the Corporation for Positive Change (www.positivechange.org), founder of the Corporation for Positive Change – Europe and Performance Management.  CPC is a global Positive Change consultancy employing the methodology of Appreciative Inquiry and others strength-based methodologies to… Read more

Consulting Partner

Diana Whitney, Ph.D.

Appreciative Inquiry Thought Leader Diana Whitney is a global social entrepreneur. She is founder and president of Corporation for Positive Change, a global consulting cooperative; a founder of the Taos Institute, an international think tank dedicated to relational processes in… Read more

Consulting Partners & Associates


Frank van Erkel

Frank van Erkel has had extensive experience as (senior) administrative manager and leader of innovation projects in the public sector. He has been leading governmental change and innovation for the past 20 years, both on national and local level. He… Read more


Tony Awcock

Tony Awcock is an accomplished international HR executive with an unyielding passion and integrity to help people and organizations learn, grow and change. He has over 30 years of experience in leadership development, talent management, organization development, learning and development… Read more


Tina Neuhoff

Tina Neuhoff is the owner of spice in presence, a coaching practice and consultancy, facilitating change and co-creating innovation with the overarching goal of enhancing organizational life for best results. As a senior consultant Tina supported medium- and large-sized enterprises… Read more

Practitioner Certificate Holders

Sanna Zijlstra

Sanna has been working for Positive Change since 2012, as a Senior Internal Consultant with many different departments and industries within the local government. She guided many sessions and meetings on positive change ranging from 4 to 200 people. Sanna… Read more