A Canadian actress, A. J. Cook is currently married to Nathan Andersen since on 3 August 2001. She is better known for her role as Supervisory Special Agent Jennifer "JJ" Jareau in the CBS crime drama “Criminal Minds”. A. J. Cook was born to a teacher Mike and a psychiatrist Sandra. She attended Anderson Collegiate Vocational Institute. A. J. Cook debuted in a 1997 McDonald's commercial.
A. J. Cook married Nathan Andersen on 3 August 2001 and had two sons. She gave birth to her 1st child at age 30, a son named Mekhai Allan Anderson who was born on September 13, 2008, and she gave birth to her 2nd child at age 37, a son named Phoenix Sky Andersen on July 23, 2015. A. J. Cook seems to be very happy with him so no signs of their separation.