Trumbo becomes the first head coach of the beach volleyball team in 2016. He also serves as the women's indoor volleyball head coach.
Trumbo enters his ninth year as the head women's volleyball coach at Stevenson in 2015.
In eight seasons, Stevenson has totaled 225 wins, nine All-Americans, 23 All-Conference selections, three Player of the Year selections, three Rookie of the Year selections, six postseason appearances, including four-straight appearances in the NCAA Division III Women’s Volleyball Championship from 2011-14, while setting the school record with 37 wins in 2013.
Last season, the team won their third-straight Commonwealth Championship while going a perfect 8-0 in the conference. The Mustangs advanced to the NCAA Second Round while posting their fourth-straight 30-win season. Stevenson had three players named to the AVCA Division III All-American Honorable Mention Team. Senior Samantha Perillo was named to the Commonwealth Conference Player of the Year and ECAC South Defensive Player of the Year while also being nominated as the NCAA Woman of the Year.
In 2013, the team won their second-straight Commonwealth Conference Championship while winning a school-record 23-straight games and advancing to the regional final in the 2013 NCAA Division III Women's Volleyball Championship. Seniors Jessica Gieselman and Christine Isenberg as well as junior Samantha Perillo were named to the AVCA Division III All-America Team. The team also boasted five All-Commonwealth Conference members, all to the first team, including Gieselman who repeated as Commonwealth Conference Player of the Year.
In 2012, the team won the Commonwealth Championship in their first season in the MAC while winning a school-record 20-straight games and advancing to the second round of the 2012 NCAA Division III Women’s Volleyball Championship. Junior Jessica Gieselman and sophomore Samantha Perillo were named to the AVCA Division III All-America Team. The team also boasted a school-record seven All-Conference selections, including Gieselman who was named Commonwealth Conference Player of the Year and freshman Imami Hudson who was named Rookie of the Year.
In 2011, Trumbo was named CAC Coach of the Year after leading Stevenson to its first-ever NCAA Division III Women's Volleyball Championship and 31 wins. The team finished second in the CAC, advancing to the conference championship, and set the school record for consecutive wins with 18. Jessica Gieselman became the first female student-athlete in school history to earn All-America honors while Christine Isenberg was named CAC Rookie of the Year.
Trumbo earned his 100th career victory with 25-16, 25-14, 25-19 win at Marymount (Va.) on Sept. 14, 2011.
In 2010, Trumbo led the Mustangs to the ECAC Division III South Championship for the second time. The team finished with 25 victories, the second-most in school history behind the 2008 team that won 32 in Trumbo's second season.
Stevenson started the season with 14 wins its first 15 games and won its first eight games at home, including a 3-0 victory over Notre Dame (Md.) in the inaugural game in Owings Mills Gymnasium in front of a school record 1,034 fans. The Mustangs also captured their third consecutive Crimson Eagle Classic hosted by Philadelphia Biblical.
Senior Alex Mercer also received her second consecutive All-CAC selection and became the school's career leader in kills, finishing her career with 1,048.
In 2009, Stevenson managed a 13-20 record during a rebuilding season after losing All-CAC Second Team selection Brittany Umetin and career digs leader Julie Olson. Mercer was named to the All-CAC Second Team and Marisa Bender was honored with the CAC Unsung Hero Award, becoming the first Stevenson student-athlete and first conference volleyball player to be selected since 1997.
The Mustangs became the first team in the program's 11-year history to win 30 games in 2008 as they finished with a 32-8 record. The team finished third in the CAC and advanced to the semifinals of the conference tournament before earning the top-seed in the ECAC Division III South Region Championship where it advanced to the semifinals.
Stevenson started the season with a school record 15-straight wins while winning Crimson Eagle Classic for the first time. Umetin was named to the All-CAC Second Team becoming the program's first All-CAC selection.
Trumbo led Stevenson to a then-school record 21 wins in his first season in 2007 as the team posted a mark of 21-11 en route to a sixth place finish in its first season in the CAC. The Mustangs advanced to the finals of the Haverford Invitational and won 12 of their first 15 matches.
Prior to Stevenson, Trumbo started the girls' volleyball program at Liberty High School in Sykesville. During his tenure, Trumbo led the Lions to Class 2A state titles in 2003 and 2004, as well as nine county championships and six regional titles in 11 seasons.
Trumbo totaled a 167-31 career record, including a metro-area record 49-match winning streak, and was named Metro Coach of the Year in 2003. He was also a five-time Carroll County Coach of the Year in 1999, 2001, 2002, 2003 and 2004 and coached seven players who were named Carroll County Player of the Year and one Metro Player of the Year.
The founder of the "Spike It!" Volleyball Camp, Trumbo also coached girls basketball at Liberty, leading the Lions to county championships in 1998 and 1999.
Off the court, Trumbo has worked for WTTR radio as a color analyst for McDaniel basketball games and the Carroll County High School Basketball Game of the Week. He has also served as a color analyst at Adelphia Cable Television for the Carroll County High School Basketball and Lacrosse Game of the Week and prepares and edits segments of a quarterly publication which reaches 50,00 subscribers.
Trumbo received a bachelor of science degree in physical education from Towson in 1976 and a master of science in recreation administration and supervision from Morgan State. While at Towson, he participated in both soccer and baseball.
Trumbo's wife, Fran, is a college field hockey and women's lacrosse official and the couple has three children, Michael, Becky and Bryan. Michael is a Stevenson graduate who ran cross country for the Mustangs.
Becky was an All-American lacrosse player at Towson from 2003-06 and is currently the head girls' lacrosse coach at Century while Bryan, who also graduated from Towson and boasted a 4.0 grade point average, is the head girls' volleyball coach at Century.