About
Jan Guillou is a French-Swedish author and journalist known for his investigative reporting and fiction writing. He gained prominence as an investigative journalist in Sweden, notably exposing a secret intelligence organization in 1973. Guillou is also a successful novelist, with popular series of spy fiction novels about Carl Hamilton and historical fiction novels about Arn Magnusson. He owns one of the largest publishing companies in Sweden, Piratförlaget.
Career Timeline
IB Affair Exposure
Exposes Swedish intelligence, gaining notoriety.
Coq Rouge Debut
Publishes first Carl Hamilton spy novel.
Arn Magnusson Begins
Launches successful historical fiction series.
Piratförlaget Founded
Co-founds a major Swedish publishing house.
Journalistic Contributions
Continues journalism and column writing.
Author and Publisher
Continues writing and publishing, respected figure.
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Last updated: February 23, 2026