Suzanne Sobel, publisher and executive vice president of Martha Stewart Living Omnimedia, has stepped down from her position at the company. (Crain's)

David Curcurito has been named design director of Esquire. He was most recently at American Express Publishing Custom Publishing Solutions and has worked at The Source and Complex. (release)

John Tierney has been named an Op-Ed columnist for The New York Times, starting this April. He has been with the Times since 1990. (E&P)

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Eric Hastie has joined the editorial staff of Gourmet. He was previously an assistant producer at Parents.com. (mb)

John O'Mahony has been named West Coast bureau chief for Life & Style Weekly. He was previously associate metro editor at the New York Post. (WWD)

Jane Freiman has resigned from her position as deputy editor of Life & Style Weekly. (WWD)

Tracey Pepper has been named a senior editor at Natural Health in Los Angeles. She was previously a senior editor at Spin. (mb)