Kristi is the best-selling author of more than a dozen novels for both adults (writing as Kristina Cook) and teens (writing as Kristi Cook). Her YA debut, HAVEN, was released by Simon Pulse in 2011, and was a National Readers Choice Award finalist for Best YA novel. HAVEN was chosen by the International Reading Association as a 2012 Young Adult Choices novel. To date, her books have been translated into more than a half-dozen languages, including Russian, French, Czech, Turkish, and Portuguese, among others.

Kristi has taught creative writing classes for both teens and adults at Sarah Lawrence College and the Center for Literature and Theatre at Miami-Dade College, as well as leading workshops at libraries and conferences nation-wide. She also works as a freelance editor, working primarily with the romance community.

She lives in New York City with her husband and two teenage daughters.