The Trade Desk promotes Trish Frohman to senior vice president-business development, North America ... Chipmaker Power Integrations adds retired Ford executive Nancy Gioia to its board, effective Jan. 1 ... Creator management platform Grin names Charlie Besecker, ex-Route and ex-Qualtrics, chief revenue officer ... Vehya, recruitment startup for electric vehicle industry, names Lawron Ballard, ex-Deloitte and PwC, chief financial officer.