Kristin Loberg

Kristin Loberg is an American author and ghostwriter. She is known for ghostwriting books written by Sanjay Gupta, David Perlmutter, David Agus, and Phil Town. In 2023, it was discovered that many books authored by Loberg contained plagiarized material.

Early life and education Kristin Loberg grew up in Westwood, Los Angeles. She graduated from Marymount High School before attending Cornell University where she studied biology and chemistry, and majored in Romance Languages. After failing to be accepted into medical school in 1997, she decided to become a writer.

Career Loberg originally tried authoring medical thrillers, but her first two novels were unpublished. Afterwards, she began ghostwriting medical books aimed at general audiences. Most of these books were on the topic of health, diets and wellness. She co-authored titles with several notable authors, including neurosurgeon Sanjay Gupta, celebrity doctor David Perlmutter, oncologist David Agus, and investor Phil Town. This plagiarism was identified by using IThenticate plagiarism detection software, which Loberg herself had recommended in a 2014 blog post for the Los Angeles Editors and Writers Group.

In the following months, sections from other books ghostwritten by Loberg were discovered to contain substantial plagiarism. Publishers Simon & Schuster, Penguin Random House and HarperCollins told the LA Times that they were reviewing previous books by Loberg for plagiarism. and deleted all other content from the website.