Mind Dynamics proved a precursor to other groups that used similar techniques. Alexander was referred to as "The Teacher of Teachers" and "The Father of the Human Potential Movement" ... as his employees included Werner Erhard, founder of "est" Erhard Seminars Training and of the Landmark Forum; John Hanley Sr., co-founder with Robert White of Lifespring; James H. and Janet Quinn, founders of LifeStream, LifeResults, LifeSuccess and New Perspectives; Randy Revell, founder of Context Trainings; Tom and Jane Willhite, founders of PSI World; Robert White, founder of ARC and Life Dynamics; Howard Nease, founder of Personal Dynamics; Bill Schwartz, founder of the Meditation Institute of Milwaukee; Stewart Emery, founder of Actualizations Workshop, Russ and Carol Bishop with Insight Seminars.; Robin Clark, one of Everett's first 12 Mind Dynamics trainer/facilitators, later founded Mind Dynamics Institute in Las Vegas Nevada.