Digitaria hired Stephanie Shkolnik as social media strategist, a new position.

FetchBack Retargeting promoted David Bendtsen to west regional agency sales director.

Jill Abramson, a former investigative reporter and Washington bureau chief for The New York Times, will become the paper's executive editor, succeeding Bill Keller, who is stepping down to become a full-time writer for the paper. Abramson will be the first woman to be editor in the paper's 160-year history.

Initiative hired Tej Desai as senior vice president, group business director.

Media Storm promoted John M. Thomas to associate media director, digital.

Six Flags Media Networks hired Michael Farrell as manager, corporate alliances; Jay Gerber as account executive, corporate alliances; and Melissa McLeanas as partnership marketing manager.

Saatchi and Saatchi X hired Betsy Reithemeyer as vice president of global communications.

Cartoon Network and Adult Swim Ad Sales named Patty Gillette as vice president, brand activation and media partnerships.

Hook hired Dave Evans to lead company strategy and development. Evans joins the team after a stint as executive integrated producer at Saatchi & Saatchi LA.

Cactus hired Gennifer Hobbs as account director. Prior to joining Cactus, Hobbs worked as an account director at Karsh & Hagen.