Who We Are


The Institute of Organization Development (IOD) is a privately held organization providing educational services and consultation in the field of OD. We are dedicated to developing people and helping organizations grow. Our founder, Dr. Nancy Zentis, has a passion for the field of OD and it is this passion that inspired her to form IOD in 2002. The purpose of this Institute is to support the professional growth of those interested in careers the field of OD by helping them gain knowledge and expertise in this field. Through our globally-recognized, award-winning online certification programs, we continue this mission to provide participants with opportunities to excel in their role as OD professionals.

We offer a variety of OD certification programs in the areas of Organization Development, Talent Management, Executive Coaching, Leadership Development, and OD Process Consulting. Through online programs, webinars, facilitation skills, and re-certification courses,we make it easy for our global audience to learn important OD skills at their own pace and apply those skills quickly in their workplaces.

Our team of facilitators are experienced OD professionals in the areas of OD, Talent Management, Human Resources, and Training and Development.  We provide the theoretical knowledge and practical application to OD practitioners who need to support their organizations through the process of change.


Our vision is to enable people, teams, and organizations to create sustainable change, promote freedom of choice, create awareness of self and others, encourage appreciation and inclusion of others, promote dialogue, collaborate, and help communities to overcome the challenges that face them.


Our mission is to provide education and development to those individuals responsible for organizational change and to promote the field of Organization Development.