Sam Batran was at a juncture in his life. Almost forty, with a family and a successful career behind him as a founder, McKinsey consultant, and chief executive of a Saudi Arabian real estate group, he was looking for his next move.  Certain of a few things he teased out his options; he knew he wanted to run his own business, he knew he was a good CEO and he knew it would be an “utterly crazy” amount of risk for him to rejoin the start-up grind.  An Egyptian national, educated at Brown and then Cambridge University, Batran fell in…