Norwegian-born Unni Turrettini grew up as a global citizen, spending half her life abroad, including the United States, France, and Switzerland before returning to Oslo in 2016. With law degrees from Norway, France, and the United States, Unni is a member of the New York Bar, and worked in law and finance for nearly a decade before becoming a full-time author, speaker and facilitator.
Unni is the author of The Mystery of the Lone Wolf Killer (Pegasus Books, 2015), which examines Norwegian mass murderer Anders Behring Breivik from both a psychological and sociological perspective and focuses on what we can learn from that tragedy to prevent rampage killings spurred spurred by loneliness and extremism. The Mystery of the Lone Wolf Killer won the 2016 Killer Nashville Silver Falchion award (Best Nonfiction).
She is also the author of Betraying the Nobel: The Secrets and Corruption behind the Nobel Peace Prize (Pegasus Books, 2020).