Mindy Green­stein is a clin­i­cal psy­chol­o­gist and can­cer psy­chol­o­gist as well as a writer, moth­er, and fel­low can­cer patient. She is a for­mer chief clin­i­cal fel­low in the Depart­ment of Psy­chi­a­try at Memo­r­i­al Sloan-Ket­ter­ing Can­cer Cen­ter, where she co-devel­oped Mean­ing-Cen­tered Group Psy­chother­a­py. She has writ­ten for The New York Times, Wash­ing­ton Post, Self mag­a­zine, and oth­er publications.