John Geier

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John George Geier, III (born Michigan; January 24, 1934 – September 26, 2009) was an American psychologist who worked extensively on the DISC assessment systems, which improve work/life performance.

Family background and early years[edit]

John G. Geier, III was born to John George Geier, Jr. (1900–1967) and Irene E. Bock (1911–1978). John III's father was of Volga-German extraction, and Irene was the daughter of Jewish immigrants from the Austro-Hungarian Empire.

John III was a bright student who worked his way through college by assisting his father on painting jobs.