Goeller joins the Green Terror staff in 2013 after spending 14 years as a high school lacrosse coach. He spent five seasons as the head coach at Patuxent High School in Calvert County. He successfully lead a program that finished 2-12 in 2000, to back-to-back undefeated SMAC Championships in 2003 and 2004.
While at Patuxent, Goeller was named US Lacrosse Man of the Year in 2002 and US Lacrosse Coach of the Year in 2003 and 2004. He was also the SMAC Coach of the Year in 2002, 2003 and 2004 and Calvert County Coach of the Year in 2003 and 2004. He was also the Washington Post All-Extra Coach of the Year in 2004.
In 2005, he became moved to Huntingtown High School, where he coached for two seasons.
In 2007, he took over a struggling Paul VI Catholic program that finished 3-12 in 2006. In his first season, the Panthers improved to 8-7 in the very competitive Washington Catholic Athletic Conference. In 2008, the team finished 12-7 and made the Virginia State Playoffs for the first time in school history, and the team has continued to make the state playoffs every year since. Goeller was the WCAC Coach of the Year in 2009.
Goeller lives in Mount Airy with his wife, Cindy and daughter, Hannah.