Andrea Walker, who resigned from Penguin Press in August, has joined Random House's flagship imprint as a senior editor. She will come on board March 25, acquiring fiction and nonfiction, and reporting directly to RH editor-in-chief Susan Kamil. Among the titles she's acquired are Charlotte Rogan's Lifeboat and Eowyn Ivey's The Snow Child.

At Highlights for Children, Jack W. Perry has been named v-p, print and e-book sales, effective March 31. Perry joins the company after running his own consulting firm 38enso for the past five years.

Lucas Wittmann has been named executive editor and associate publisher of Regan Arts. He was previously the literary editor and senior editor of the Daily Beast.

At Tor/Forge, Marco Palmieri has been promoted to editor, and Adynah Johnson has been named associate publicist.

At Harper, Stephanie Cooper has been promoted to associate director of marketing.

Heather Daugherty has joined HarperCollins Children's Books as a senior designer. Previously she was a designer at Random House.