She has been with the agency since 2018.
Mauery reports to Jessica Romaniuk, president of the Chicago office.
Mariana O'Kelly will run the Kellogg's portfolio for the agency.
The hire augments the agency's launch of a consumer goods brand this year.
adam&eveDDB has hired senior WPP executive and former Geometry UK CEO, Sarah Todd, for the role of Client Strategy and Integration Lead.
Wolff Olins has boosted its team of experience designers.
Based at Ogilvy, Nelson is expected to deliver client experience via EightBar,
Cranfield will work across all client bases and with key marketers, such as Spotify, Clinique, Nike and Lego.
A longtime ad vet, Sah has held posts at Lowe Lintas, Havas Group and FDB Ulka.
The hires follow new business wins at the end of 2022.