Jamie Iannone, president of digital products at Nook Media at Barnes & Noble, left that spot at the end of the year to lead online operations for Walmart’s Sam's Club warehouse unit, the Wall Street Journal reported. Asked about a possible replacement, a B&N spokesperson pointed to the September 30 appointment of Mahesh Veerina as chief operating officer.

Tony Lutkus will join Penguin Random House in the newly created position of senior director, international marketing, U.K. and British Commonwealth sales, for Penguin Group, effective January 27.

At Crown, Carly Gorga has been promoted to marketing manager, Clarkson Potter. Ellen Folan has been promoted to assistant director of publicity, Crown Archetype. Emma Shafer has been promoted to publicity department coordinator.

At Macmillan, Tim Bartlett has been named executive editor for St. Martin's Press. Bartlett has been an editor at Oxford University Press, Random House, and Basic Books. Beata Santora, editor of Quick & Dirty Tips, has been promoted to senior editor.