Havas Raises Rieger to VP

HUNTER promotes Gigi García Russo to president and Michael Lamp to chief digital & transformation officer.... Cars.com Inc. a car-shopping marketplace, names Sarah Kettler CMO, effective June 15...The Trade Desk, an advertising tech company, appoints Sarah Gavin as CMO and EVP.

Brittany Sullivan, who held the senior VP-executive director of marketing post at Golin, has moved to Burson.

Codeword brings on Melody Brue and Jess Graham as part of a push to bolster its capabilities in market intelligence and commercial strategy... Havas Edge, which specializes in data-driven media, creative and customer acquisition strategies, for health, tech, consumer, retail and financial brands, promotes Pam Caputo to EVP, health media... Rezolve Ai, the London-based developer of Brain Suite, an enterprise AI platform purpose-built for agentic commerce, appoints Michele Fisher as CMO.

Jamie Dowd, who was most recently president of the health practice in the Americas at Weber Shandwick, comes on board at Allison Worldwide as global president, health + wellness, effective June 22.

Burson is bringing on Hanover managing director, Middle East Jonty Summers as head of corporate affairs in Dubai at the end of June... Ridgepost Capital, which had over $45 billion in assets under management as of March 31, names Brian McKenna VP, investor relations, effective June 15... The Center for AI Safety appoints Rochelle Nadhiri as head of public engagement.