"I couldn't have asked for a better partner or teacher." —Cameron Diaz


Sandra Bark is a bestselling author who partners with icons, experts, and influencers to write books that excite and inspire. Her clients are leaders in the arts, business, and wellness. She has co-written eight New York Times bestsellers to date.

Justin Timberlake collaborated with Sandra to write HINDSIGHT. Cameron Diaz teamed up with her to write THE BODY BOOK and THE LONGEVITY BOOK. She has written books with Hannah Bronfman, Daphne Oz, Lori Goldstein, Tracy Anderson, Kat von D and more.

Sandra began her book publishing career as an editorial assistant in the days when memos were still printed on paper and delivered by hand. She believes that books are part of an ongoing human conversation, and that the best books are written with openness and generosity. With that in mind, she works closely with her clients tell their stories and share their ideas with the world.

Based in New York, she works frequently in Los Angeles, and has done research and writing everywhere from Hawaii to Helsinki. Her approach is completely bespoke and personalized, and she has worked with her clients in comedy clubs, recording studios, and green rooms, as well as at fashion shoots, fitness studios, a tattoo shop, and the NIH. 

Sandra is represented by Melissa Flashman at Janklow & Nesbit. Her work is published by HarperCollins, Hachette Book Group, Penguin Random House, and Simon & Schuster.