D. R. Berlin is an award-winning author of mystery, suspense, and thriller fiction, U.S. Army veteran and general surgeon, with degrees from MIT and the Albert Einstein College of Medicine.

She is the author of The Third Estate series, a cinematic thriller world of espionage, conspiracy, family secrets, and emotional risk. Her background in science, medicine, and military service brings authentic tension and procedural realism to stories shaped by danger, precision, loyalty, and consequence.

When she is not writing, she is often behind the camera at her children’s sports events, where she has earned the nickname “Mamarazzi.”