![Derek O. Hanley on Responder Resilience Derek O. Hanley on Responder Resilience](/sites/default/files/past_show_headliners/guest_pics_4/doh_authorheadshot.jpg)
Derek O. Hanley is a long-time paramedic and disabled veteran combat medic, author, published photographer, multi-instrumentalist, noted video producer, and is the founder of DOHP.
Derek O. Hanley is a long-time paramedic and disabled veteran combat medic, author, published photographer, multi-instrumentalist, noted video producer, and is the founder of DOHP.