Darren O'Sullivan

Darren O’Sullivan is a bestselling author, screen writer and award nominated theatre director.

His books have sold over 250,000 copies and been translated into German and Polish and sold into America, Canada and Australia. Two of his novels were selected for the prestigious Karin Slaughter Book club.

Darren has also contributed a short story ‘The Big Burn Book club’ to EVERYDAY KINDNESS, a 2021 up-lit anthology with proceeds going to Shelter.

Darren also writes under a pseudonym, DB Stephens.

DB Stephen's book, THE SERIAL KILLER SUPPORT GROUP is the first in a new serial killer series, The Secret Vigilante,was published May 8th 2025 with HarperCollins imprint, One More Chapter. The Second, THE SERIAL KILLER SUPPORT NETWORK was published May 2026

His first novel, Our Little Secret, is optioned by Rollick Film, and he is credited as the writer of the feature film.

His 10 thrillers, under Darren O'Sullivan can be read in any order.

OUR LITTLE SECRET (July 2017)

CLOSE YOUR EYES (May 2018)

CLOSER THAN YOU THINK (March 2019)

DARK CORNERS (April 2020)

THE PLAYERS (May 2021)

THE PRICE (JUNE 2023)

THE NIGHT THEY STOLE MY BABY (May 2024)

THE HUSBAND (Nov 2024)

WIN OR DIE (APR 2025)

OUR DAUGHTER IS MISSING (JAN 2026)

HIs two thrillers under DB Stephens are in this order.

THE SERIAL KILLER SUPPORT GROUP (MAY 2025)

THE SERIAL KILLER SUPPORT NETWORK (MAY 2026)

You can follow Darren on:

X @Darrensully,

Instagram @darrensully,

Facebook @darrenosullivanauthor