IPG Mediabrands named Judy Jackson as executive vice president, chief talent officer, North America.

LinkedIn hired Jason Baird as head of advertising operations; Mike Caplan, Dane Farnum, Chris Moore and Tony Stucker as account executives; Tina Marie Labruzzo as a marketing solutions consultant; Brad Sokola as sales analyst and Keith Richey as marketing communications lead.

Larry Davis-Swing joined MediaVest as senior vice president, analytics director.

Carmichael Lynch announced that Marcus Fischer has returned to the agency in a newly created position of chief strategy officer, managing partner.

Arnold Worldwide announced that Robert LePlae would join the creative communications agency as its global president. LePlae most recently served as North American president at McCann Erickson, where he was also the regional director for McCann Worldgroup’s independent agency holdings and served as the global lead of the “Culture of Innovation” transformation team.

Wexley School for Girls has named co-founder Cal McAllister chief executive officer and co-founder Ian Cohen chief creative officer. In addition, Todd Grant was promoted to executive creative director.

AMC Networks promoted Georgia Juvelis to senior vice president, corporate communications, and Lisa Rogen and Jaime Saberito to vice presidents of corporate communications.

Dentsu America has named Jeff Hinson as local account lead for the New Orleans Tourism Marketing Corporation.