Newly named to CNN International Commercial’s Asia Pacific leadership team: Karen Lay, ex-Sportfive and former Disney/ESPN, joins as director-commercial distribution; Sally Young returns to CNN in an advertising sales leadership role with a renewed focus on Greater China; and Kimmy Ho advances to senior director-content sales and licensing ... Nextdoor adds to board: Marissa Mayer, Sunshine founder-CEO and former Yahoo president-CEO; Niraj Shah, Wayfair CEO, co-chairman and co-founder; and Robert Hohman, Glassdoor chairman and co-founder ... IRobot hires Qualitor Automotive’s Gary Cohen as CEO, effective immediately, and will add him to the board after the May 23 annual meeting; Andrew Miller will remain chair, and former interim CEO Glen Weinstein will stay on with iRobot for 60 days to help with the transition ,,, CleanSpark, bitcoin mining company, promotes Scott Garrison to chief operating officer and Taylor Monnig to chief technology officer ... Stream Security, cloud detection and response company, names Patrick Guay, ex-Pentera, chief revenue officer ... Jennifer Manner, EchoStar senior vice president-regulatory affairs, says she's leaving EchoStar May 22 to become NTIA senior adviser-space and satellite policy, effective June 3 … Glenn Richards, former Pillsbury Winthrop partner in communications, announces he’s joining Dickinson Wright as partner.