Sean joined the District of Columbia Fire Department in 2007 as a Firefighter Medic, appointed to 33 Engine in Southeast DC. He then spent more than a decade as the medic assigned to 11 Engine, and then slid the floor a few years ago to 6 Truck. He has worked for Seneca Rocks Climbing School since 2009. In 2009 he obtained his AMGA Single Pitch Instructor, then in 2011 took the Rock Instructor Course, and the exam in 2015 qualifying him as an AMGA Rock Instructor. He lives at the norther end of Shenandoah National Park and spends his time climbing Rock and Ice all across the country with his wife and two daughters.