Doctor comes to Fairfield after serving as the Market Director of the Tri-State area for 3d Lacrosse, LLC from 2017-19. At 3d Lacrosse, Doctor developed lacrosse programming for small and large groups of boys and girls, of all ages while organizing high school and youth indoor lacrosse leagues, overseeing a staff of managers and coaches, guiding players in the college recruitment process and providing on-field instruction.

He also spent the last two years at the high school level in Connecticut, first serving as the boys varsity lacrosse coach for Greens Farms Academy in 2018 before moving to an associate head coach postiiton for Wilton in 2019.

A longtime Division I coach, Doctor spent seven seasons as an assistant coach/offensive assistant at Penn State University (2010-17). While with the Nittany Lions, Doctor led the face-off unit and goaltending corps, as well as running the extra-man offense. He helped lead Penn State to Colonial Athletic Association tournament appearances in 2011, 2012 and 2013 prior to the Big Ten's formation wherein he helped lead the Nittany Lions to conference tournament showings in 2015, 2016 and 2017. In both 2013 and 2017, Doctor helped lead Penn State to the NCAA Tournament. In his time working under head coach Jeff Tambroni, the Nittany Lions amassed a record of 60-44.

Before his time at Penn State, Doctor was an assistant coach at Lafayette College, where he was the offensive coordinator for the Leopards from 2007 to 2010. In 2009, he helped Lafayette reach the Patriot League tournament for the first time in school history.

Owning experience on the world state from trips to Federation of International Lacrosse tournaments, Doctor was a coach for the Iroquois National men's team in 2014 and then a staff member for the U-19 Iroquois National squad in 2016. Both of those teams won bronze medals as the Iroquois Nationals fielded two of their strongest teams in the history of either the men's or U-19 programs.

A former standout at Skanetaeles High School, Doctor went on to become a four-year starter at Rutgers University, running both attack and midfield positions from 2004-07. As a junior and senior, he led the Scarlet Knights in assists and was honored with the team's Alfred Sasser Award.

The Doctor family is a prestigious bunch in the lacrosse community as his father, Ron, was an All-American at Syracuse University in 1971.