Our Leadership Team

The People That Make It Work

Ralph Weickel – President

Ralph-Weickel-ECPC-site1Ralph Weickel is the Principal of Performance Management, an appreciative business consultancy, that amplifies performance by bringing 25 plus years experience working across a broad range of industries including financial institutions, utilities, defense contractors, hospitals, publishing and small businesses. Through his organization, Performance Management, Ralph guides businesses and individuals to identify core strengths and build on those strengths to permanently improve performance. Engaging the spirit and unleashing the passion of all stakeholders, he utilizes Appreciative Inquiry as the basis for strength development, performance improvement, and achievement of collective goals. Ralph specializes in working with organizations in the areas of team development, change initiatives, sales/customer service program development and implementation, strategic planning, employee engagement, executive coaching and fostering/developing an entrepreneurial spirit.

Ralph is also the Principal of the European Center for Positive Change, applying the principles of Appreciative Inquiry to financial performance, operational efficiencies, sales, employee engagement, organizational development, project management, change initiatives, lean system implementation, and strategy.

A native of Germany, he is fluent in German.


Diana Whitney, Ph.D. – Founder, President Emeritus and Wisdom Keeper

whitney-2013-100x144Diana Whitney is a global social entrepreneur. She is founder and president emeritus of Corporation for Positive Change, a global consulting cooperative; a founder of the Taos Institute, an international think tank dedicated to relational processes in business, education, families and communities; and a founding advisor to the United Religions Initiative, a global network of 530 interfaith cooperation circles working for peace and social justice.

Dr. Whitney is a positively powerful keynote speaker, whose messages of hope, positive change, and the call for appreciative leadership offer practical guidance for new ways of working, living and being. Diana’s unique style of ‘interactive storytelling’ inspires audiences from 50 to 1500 at national and international conferences and leadership symposiums in Asia, Africa, Europe and North America. Diana’s presentations are rich tapestries of experience, research and innovative practices that transform leadership and enliven relationships.

Diana is a prolific, provocative and practical author. Her award winning books on Appreciative Leadership and Appreciative Inquiry, the revolutionary process she helped to develop, have been translated into over a dozen languages and are used as text books in business schools, universities and corporate learning centers around the world. The International Organization Development Network (ODN) honored Diana’s written contributions to the field with the Larry Porter Award.

As a master consultant, Dr. Whitney’s work spans the globe. Diana consults with executives and their teams in support of strategic planning and organization development, organization culture creation and transformation, and leadership capacity building. With over thirty years of experience, her clients include British Airways, Verizon, Johnson & Johnson, Merck SA, City of Regina, Calgary Health Region, UVA Health System, Idaho Department of Education, and the Sisters of Good Shepherd. The American Society for Training and Development (ASTD) recognized her Appreciative Inquiry work at GTE (Verizon) with their award for Best Organization Culture Change.

Diana serves as Distinguished Consulting Faculty with Saybrook University, and a Ph.D. advisor with the Taos Institute. She is Expert Faculty for the NCR Picker Patient Centered Care Institute and a Fellow of the World Business Academy.

Dr. Whitney received her Ph.D. from Temple University in Organizational Communication. Her research on the dissemination of educational innovations was funded by the National Institute of Education and used to create an agenda for the development of educational R&D laboratories in the United States.

Diana Whitney’s legacy is apparent in the hundreds of thousands of people worldwide who work, live and lead using Appreciative Inquiry. She is described as one of the top five thought leaders in the field, forging a positive revolution that is radically transforming knowledge, understanding and practices in human organizing, leadership, and management – for the good of the people.


Tenny Poole – Secretary

tenny-pooleTenny Poole is founder of Positive Talent Strategies, a company dedicated to strategic human resources consulting and coaching, and Appreciative Inquiry consulting. Tenny’s 30 years delivering top-quality human resources services includes 10 years as Vice President of Human Resources for Experian Americas Credit business. In that time, she used Appreciative Inquiry to further the performance of technical, software development, purchasing, HR, and other functions. In particular, she was instrumental in the Experian’s ”Transformation of Human Resources” project that redesigned the function to deliver strategically focused HR services. Also while at Experian, Tenny was responsible for the design and implementation of a Human Resources function for the start-up of its off-shoring center in Santiago, Chile that will employ over 500 employees. In addition, she supported a successful business expansion into Latin America and Canada. In 2000, Tenny was selected Human Resources Executive of the Year by the Orange County Affiliate of the National Human Resources Association for her work in developing her team, accelerating culture change and implementing new human resources strategies at Experian using Appreciative Inquiry.


Amanda Trosten-Bloom – Treasurer

amanda-trosten-bloomAmanda Trosten-Bloom is a widely acclaimed consultant, master trainer, energizing speaker, and pioneer in the use of Appreciative Inquiry for high engagement, whole system change, She builds results oriented partnerships with organizational and community leaders and teams in support of strategic planning, culture change and organizational excellence. Working across sectors in business, nonprofit and government organizations, her clients have included: Hewlett-Packard; the Unitarian Universalist Association; IHS; ACT; Hunter Douglas Window Fashions Division; the National Security Administration; Goddard Space Flight Center; The Denver Foundation; and the Cities of Boulder, Denver and Longmont, CO; Boulder County, CO.

Amanda is also co-author of Appreciative Leadership: Focus on What Works to Drive Winning Performance and Build a Thriving Organization (McGraw-Hill, 2010); the best-selling Power of Appreciative Inquiry: A Practical Guide to Positive Change (Berrett-Koehler: 2003 and 2010), Appreciative Team Development: Positive Questions to Bring Out the Best in Your Team (iUniverse, 2005); the Encyclopedia of Positive Questions – Volume One: Questions to Bring Out the Best at Work; and more than a dozen articles and book chapters.


Dorothy Tsui – Principal

Dorothy-Tsui_photoDorothy is a dedicated organization development consultant and practitioner. She is the founder of Elite People Consultancy Limited and World Institute for Action Learning (Hong Kong). She has served businesses across industries, NGOs, government agencies, and educational institutions in South East Asian regions and the USA. Her vision is to facilitate flourishing growth in individuals, relationships, organizations, and communities by bringing the best out of people.

As the Principal Consultant of Hong Kong Center for Positive Change (HKCPC), an official center of Corporate for Positive Change (CPC), Dorothy has been applying models and tools that are firmly grounded in the strength-based principles of Appreciative Inquiry. She designs and facilitates co-creative processes for diverse groups of all sizes for positive and sustainable change.

Dorothy is also the first Certified Learning and Performance Professional (CPLP) of the American Society for Training and Development (ASTD) in Hong Kong and has been supporting CPLP candidates in Asia to go through the certification process.

Dorothy is fluent in Cantonese, English, and Mandarin.


Linda Berardi – Principal

berardiLinda Berardi, MPA, SPHR, is the founder and principal of WillowOak HR Consulting and offers creative and sustainable solutions in growing strong, flexible work teams. Linda leverages her talents in the areas of organizational learning, strategic planning, services innovation and talent development. Throughout her thirty-year career as both a clinical and administrative leader, Linda has pioneered creative and dynamic strategies that have resulted in positive systems change in New York’s and Virginia’s statewide networks for behavioral health and developmental disabilities. Linda’s professional credentials include a Master’s in Public Administration from Old Dominion University, Senior Professional in Human Resources Certification through the Society of Human Resource Management and current licensure as an Appreciative Leadership Development Program facilitator with the Corporation for Positive Change.