Humble signed award-winning director and screenwriter Sasha Levinson to its roster for commercial representation.

Added Value promoted Jeff Kirchner to senior vice president, based in Atlanta; Agathe Laurent to senior vice president, based in NYC and Sun eel Kulkarni to senior vice president, based in Los Angeles.

Newsweek announced nine new additions to its staff including weekend editor, John Seeley; culture editor, Cady Drell; staff writer, Michele Richinick; staff writer, Jessica Firger; politics correspondent, Emily Cadei; copy chief, Elizabeth Rhodes; social media and engagement editor, Shefali S. Kulkarni; deputy social media and engagement editor, Iva Dixit and producer, Joanna Brenner.

Mother Jones announced a change in leadership as its co-editors, Monika Bauerlein and Clara Jeffery, take on new roles. Bauerlein will become CEO while Jeffery becomes editor-in-chief.

Mark Green joined 4C Insights as chief operating officer.

GSD&M promoted Jay Russell from senior vice president/executive creative director to executive vice president/chief creative officer and J.B. Raftus from senior vice president/chief marketing officer to executive vice president/chief marketing officer.

Eleven, Inc. appointed Gary Stein as group director of marketplace insights, and Monique Verrier as director of creative services.

Gary Theut joined MUH-TAY-ZIK | HOF-FER as associate partner and director of account management. Theut was previously vice president of account services at Pereira & O'Dell.

B-Reel signed director Simon Cole for global representation.

Turner Broadcasting System promoted Doug Shapiro to executive vice president and chief strategy officer. Shapiro is currently senior vice president, international and corporate strategy for Time Warner.