Aaron Hotchner is a fictional character from the television series Criminal Minds. He serves as the unit chief of the Behavioral Analysis Unit (BAU) at the FBI. Known for his calm demeanor and strong leadership skills, Hotchner is dedicated to solving complex criminal cases and protecting victims. Hotchner is portrayed by actor Thomas Gibson and is characterized by his analytical mind and commitment to his team. Throughout the series, he faces personal challenges, including balancing his professional responsibilities with his family life, particularly his relationship with his son, Jack Hotchner.