Who I Am

For almost fifteen years, David has been supporting individuals, teams, and organizations to make efficient and sustainable change. With clients around the globe and near his home & office in Philadelphia, PA David leads change workshops, writes, and coaches. He is the president and principal coach for Zeitler Executive Dynamix, a firm that uses only evidence based methods to serve its clients.

David is also a Senior Associate for Minds at Work, a Cambridge, MA based coaching and consulting firm founded by Harvard chair of Adult Learning & Professional Development Robert Kegan and Harvard professor Lisa Lahey. There, he helps train Immunity to Change coaches and is helping to grow and extend the influence of this revolutionary method through several different types of media.

Formerly, David was an Associate Trainer for Integral Institute; Assistant Director of the Integral Psychotherapy Center; and spent many years in fine dining as a server. Immediately upon graduating from college he purchased an interest in a fledgling company, Student Enterprises Driveway Sealing, and would grow that organization in two states in order to support his enrollment into graduate school.

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