Matt Bissonnette (born March 17, 1976) is a former United States Navy SEAL and author of No Easy Day, a book which he wrote using the pen name Mark Owen.

In 2004 he completed selection and training to enter the Naval Special Warfare Development Group (DEVGRU) and participated in several operations in Iraq and Afghanistan.

At the end of his service, Bissonnette earned the title "Team Leader" and had conducted hundreds of missions throughout 13 combat deployments overseas.

[6][7][2] Almost a year after the Bin Laden mission, Bissonette left active duty and began writing No Easy Day with journalist Kevin Maurer.

[9] Bissonnette and his publisher decided to release the book without first submitting it for a United States Department of Defense (DoD) review, which generated much controversy.

[9] A few months before coming to national attention, Bissonnette sold his family's Virginia Beach home and quietly left town.

[16] Bissonnette continues to serve on the advisory board of the GWOT Memorial Foundation as well as advocating for transitioning veterans and helping raise money and awareness for multiple veteran-related charities.