<P> Owen Hunt, M.D. is a fictional character from the medical drama television series Grey's Anatomy, which airs on the American Broadcasting Company (ABC) in the United States . The character was created by series' producer Shonda Rhimes, and is portrayed by actor Kevin McKidd . He was introduced in season five as a U.S. Army trauma surgeon who served in war - torn Iraq, and subsequently joins the fictional Seattle Grace Hospital to teach medicine as a surgical attending, head of trauma surgery, and eventual chief of surgery, sometimes with unorthodox methods . Originally contracted to appear for a multi-episode story arc, he was upgraded to a series' regular at the conclusion of his first appearance . </P> <P> The fictional character served as a love interest for surgical fellow Cristina Yang, and had an unstable personality when first introduced, suffering from PTSD . McKidd's connection with fellow actress Sandra Oh (Cristina Yang) has been acclaimed amongst critics, with Matt Roush of TV Guide calling the "instant sparks" between McKidd and Oh "electrifying". McKidd was nominated for two awards for his work on the show, winning one of them . Chris Monfette of IGN has praised the addition of "fresh, new characters" such as Owen Hunt . </P> <P> Before his regular appearances on the show, Owen Hunt was a United States Army surgeon, specializing in trauma surgery . The character makes a dramatic first appearance when he performs a tracheotomy on a man with a pen, winning the admiration of resident Cristina Yang (Sandra Oh). He is offered a job by former chief of surgery Richard Webber (James Pickens, Jr .), but declines, explaining that he has not completed his tour in Iraq . His appointment as the new head of trauma surgery at Seattle Grace Hospital was not well - received initially . By his first week he manages to irk both Derek Shepherd (Patrick Dempsey) and Mark Sloan (Eric Dane), head of neurosurgery and plastic surgery, respectively, who view his treatment of some of the patients as crude, and also rebuffed by resident Izzie Stevens (Katherine Heigl) when he stabs a set of pigs and then orders the residents and interns to save their lives, in order to teach them medicine on "live tissue ." Hunt eventually embarks on a relationship with Yang, but it comes to a sudden close when his PTSD gets the best of him, and he unconsciously strangles her . Soon after the breakup, he begins therapy with the hospital psychiatrist, Dr. Wyatt . Some time later, a soldier visits the hospital for treatment, and his presence influences Owen to contemplate returning to the US Army . When he shares this with Cristina, she disagrees with his decision, stating that she doesn't want him to die, and the two eventually rekindle their relationship . Owen brings in Teddy Altman (Kim Raver), his best friend and colleague from when he was in the army, as the new head of cardiothoracic surgery . When it is revealed that Hunt and Altman may be potential lovers, Hunt and Yang's relationship is challenged, and eventually concluded by Yang . </P> <P> During a hospital shooting, Owen is shot and injured, attracting the sympathy of Cristina, who subsequently restores their relationship . Due to the emotional reverberations of the shooting crisis, Owen and Cristina decide to wed one another shortly after their reconciliation, not wanting to risk separation . When Cristina discovers she is pregnant, Owen is displeased with her desire to abort the baby, and the two separate from each other . In the fallout of resident Meredith Grey (Ellen Pompeo)'s tampering with Derek Shepherd's Alzheimer's trial, Owen is promoted to Chief of Surgery after Webber steps down . After substantial thought, Owen reluctantly decides to accompany Cristina to the abortion, uniting the two . Owen's friendship with Teddy ends when Owen lies to Teddy about her husband's sudden death, due to Owen wanting her to finish a surgery she was currently performing and Teddy blaming Owen for her husband's death . Feeling abandoned and disconcerted after an altercation with Cristina, Owen has a one - night stand with a patient's friend . Cristina consequently finds out, terminates their relationship, and their marriage is tested . After Cristina passed her medical boards, she reconciles with Owen, but reveals to him that she is leaving Seattle to go to Mayo Clinic . Teddy and Owen eventually became friends again . She had been offered a position at the United States Army Medical Command but chose to stay at Seattle Grace Mercy West out of loyalty . After Teddy's husband Henry dies she wallows in her grief and it affects her colleagues and residents, causing Owen to "fire" her so that she can have a fresh start elsewhere . He also fires April Kepner (Sarah Drew) because the hospital cannot afford to keep her due to her not being a Board certified . Months later, Hunt visits Kepner and rehires her as he realized he made a mistake . </P>

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