Shauna Clinton/Sportsfile for Web Summit via Getty Images Khartoon Weiss, the former lead exec for TikTok's North American ads business, is joining Google. She'll serve as vice president of US Mid Market Sales (MMS) Commerce, according to a memo sent to Google employees on Monday. MMS handles medium-sized advertising clients for Google. "This is a huge addition to this team and to Google as Khartoon brings vast leadership experience across our industry," wrote a memo from John Nicoletti, VP ...