Greg Mar­cus PhD is a prac­ti­tion­er facil­i­ta­tor and inno­va­tor of Amer­i­can Mus­sar a twen­ty-first-cen­tu­ry spir­i­tu­al prac­tice for an authen­tic and mean­ing­ful life. He earned a BA from Cor­nell Uni­ver­si­ty and a PhD from MIT. Greg worked for ten years as a mar­keter and is on the Board of Con­gre­ga­tion Beth Am in Los Altos CA. Vis­it him at Amer​i​can​mus​sar​.com