I’m Mark Arnoldy, CEO of Possible, and This Is How I Work Greg McPhearson Lifehacker August 13, 2014February 5, 2015 1 Minute I’m Mark Arnoldy, CEO of Possible, and This Is How I Work. Related Published by Greg McPhearson Husband, father of 4, master of nothing. View all posts by Greg McPhearson Published August 13, 2014February 5, 2015