Dr. Nancy Zentis, Ph.D, ODCC

Nancy Zentis, PhD, ODCC

Nancy Zentis, Ph.D., is the Founder and CEO of the Institute of Organization Development (IOD) providing online and classroom certification programs in Organization Development, Human Resource Business Partners, Talent Management, Executive Coaching, and Leadership Development, providing certification programs for more than 20 years to over 2500 participants in more than 30 countries.

Patricia Dammann, ODCC

Patricia Dammann, MS, ODCC

Patricia Dammann, President of Institute of Organization Development.  She is responsible for the strategic direction, research and development, and facilitates the Certificate Programs and the Professional Development Workshop.President

Susan Gervasi, ODCC

Susan Gervasi, MS, ODCC

Susan M. Gervasi has an extensive career working in the field of Training and Organizational Development.


Antoinette (Toni) Ford

Antoinette (Toni) Ford has both national and international experience as an organization development professional and has served for over 15 years in the capacity of vice president of human resources.


Dr. Cindy Banyai

Dr. Cindy Banyai is the Vice President of Strategy and Operations at the Institute of Organization Development. She has worked in the field of organization development since 2006 as head of her own consulting firm specializing in evaluation

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Gene Wheeler

Gene Wheeler has been an adult educator and Human Resource Consultant for over 30 years; helping individuals, teams and organizations grow and strengthen human capital through; recruiting, 360 and psychometric assessments, competency-based leadership development training programs, talent management and executive coaching.

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Noha el-Banna

Noha has over 20 years of experience providing expert counsel to businesses and government agencies operating in complex industry, policy and organizational environments.


Diana Perez, CPCC, ACC and SHRM-SCP

Diana Perez, CPCC, ACC and SHRM-SCP joined Institute of Organization Development early this year.   Diana brings a wealth of experience as an internal coach and external coach and combines that knowledge with her strong global HR management experience.

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Michael Sabbag, M.A., ECCP

Michael is a leading author, advisor, executive, and coach with over 30 years of experience working with companies of a large variety of sizes and industries. He helps executives and leaders with people, culture, and strategy focusing on systems across the business and entire employment lifecycle. While his main passion is helping leaders continually coach and develop people, he also has deep expertise in training, HR, organizational change, and strategy.