At HarperCollins Children's Books, Courtney Stevenson has been promoted to editor at Quill Tree Books, from associate editor.

Kait Feldmann has left her position as senior editor at HarperCollins Children's Books and can be reached here.

Holiday House has two promotions. Della Farrell has been promoted to editor, from associate editor. Alexandra Aceves has been promoted to editor and coordinator of Spanish language publishing, from associate editor.

Jenna German has joined Candlewick Press as associate designer; previously she was a junior designer at Barefoot Books.

Philomel Books has two promotions. Talia Benamy has been promoted to editor and backlist manager, from editor. Want Chyi has been promoted to assistant editor, from editorial assistant.

Jamie Evans has been promoted to associate managing editor at Holiday House, Peachtree, and Pixel+Ink, from production editor.

Constance Inglima has joined Random House Children's Books as an administrative assistant, publicity and communications; previously she was a literary agent assistant at Salky Literary Management and Charlotte Sheedy Literary Agency.

Monica Perez has left Versify/Clarion Books and can be reached here.

The Children's Book Council has two promotions. Sommer Wissner has been promoted to program coordinator, from marketing assistant. Paulina Ramirez has been promoted to associate program coordinator, from marketing associate.

Sophia La Torre has joined Scholastic as junior designer; previously she was design assistant at Penguin Random House.

Stephanie Wells has been named executive director of the Canadian Children's Book Centre. Most recently she was senior manager, EDI, at Fasken, and previously worked as marketing manager and global diversity and inclusion advocate at Pearson Canada.

Random House Children's Books has two promotions and a new hire. Jenn Inzetta has been promoted to associate director, audience engagement strategy, from assistant director, social media strategy. Meredith Wagner has been promoted to senior manager, social media strategy, from social media manager, content & community. Katie Burton has joined as senior associate, social media; she was previously social media manager as the Nasher Sculpture Center.

HarperCollins Children's Books has four promotions. Emily Mannon has been promoted to senior marketing manager, from marketing manager. Lauren Tambini has been promoted to senior marketing manager, from marketing manager. Michael D'Angelo has been promoted to senior marketing manager, from marketing manager. Shannon Cox has been promoted to senior marketing associate, from marketing associate.

At HarperCollins Children's Books, editorial director Luana Kay Horry will now oversee the Versify imprint. She will continue to acquire and edit for Harper's picture book list, and lead the division's collaboration with Amistad.

Shelly Romero has joined Chooseco as senior editor; formerly she worked at Scholastic and Cake Creative.

Sacha Chadwick has joined Lee & Low Books as publicist; previously she was associate publicist at HarperCollins.

Hana Tzou has joined Macmillan Children's Publishing Group as publisher's assistant; previously, Hana was a bookseller at Beacon Hill Books & Cafe in Boston.

Charlotte Coulais has been named art director for DK Licensing; previously she was art director at Laurence King Publishing.

Candlewick Press has two promotions. Frank Antippas has been promoted to accounting manager, from accounting supervisor. Kristin Seim was promoted to senior HR representative and office manager, from office manager and HR representative.

Sarah Barley will join Simon & Schuster on April 8 as editorial director of a yet-to-be-named imprint under Simon and Schuster Books for Young Readers, for readers eight and up. Barley is currently editorial director of young adult publishing at Flatiron Books, which she joined in 2014; before that she was an editor at HarperCollins Children's Books. Authors she has worked with at Flatiron include Stephanie Garber, Melissa Albert, Emiko Jean, and Meredith Russo.