By CHRIS SPARGO FOR DAILYMAIL.COM
PUBLISHED: 12:15 EDT, 21 February 2019 | UPDATED: 14:58 EDT, 21 February 2019
Under Armour CEO Kevin Plank 'was allegedly having an affair with MSNBC host Stephanie Ruhle and sought her advice over that of his board while flying her around on private jet'
Also friend of Karen Katz