Carl Greer Carl Greer, PhD, PsyD, is a retired clinical psychologist and Jungian analyst, a businessman, and a shamanic practitioner, author, and philanthropist, funding over 60 charities and more than 1,250 past and current Greer Scholars. He has taught at the C.G. Jung Institute of Chicago and been on staff at the Replogle Center for Counseling and Well-Being.