Magazine publisher Condé Nast is expected to lay off 70 to 80 employees within the next week or two, primarily from the group that oversees ad sales, according to people familiar with the matter.

The layoffs follow the recent appointment of Edward Menicheschi as chief marketing officer and president of Condé Nast’s media group on August 21. Mr. Menicheschi had been the publisher of Vanity Fair, where he has been succeeded by Chris Mitchell, the former publisher of GQ.

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