Sean Harris earned his Bachelor's Degree in Music Education in 1998 with an emphasis in Percussion from the University of Southern Mississippi. In 2004 earned his Master’s Degree in Conducting from the University of Iowa.

From 1998 – 2002 Sean served as an assistant Band Director at Biloxi High School in Biloxi, Mississippi.  During this time he served as the District Percussion Director, High School Symphonic Band Director and co-taught Instrumental Band classes grades 6 – 12.

From 2004 – 2007 he served as the Assistant Band Director and District Percussion Director at Madison Central High School in Madison, Mississippi. During his time there at Madison, his students won numerous awards including a ‘Mississippi Indoor Association Championship’ in 2005. He also served as the State Percussion representative for All State Band Clinics in 2005 and 2006.  Sean was  also one of the Co-Founders of the Mississippi Indoor Association. In 2007, the the Madison Central Indoor Percussion Ensemble, competed at the WGI World Championships for the first time in the school’s history and landed a 4th Place finish in PSA Finals. His District Percussion Ensembles were the featured High School Percussion Ensembles at the Mississippi Day of Percussion in 2005.

In 2015, Sean is currently in his 8th year as the Assistant Director of Bands at O Fallon Township High School in O'Fallon, IL. While teaching at O’Fallon, the Band Program has gained recognition at the State, Regional, and National Level. This includes a performance by the OTHS Wind Ensemble at the IMEA State Festival in 2011.  In November of 2011 and 2014 The Marching Panthers placed as a 'Bands of America' Grand National Semi-Finalist. The Marching Panthers also marched in the 2015 Tournament of Roses Parade in Pasadena, California

Sean currently teaches a Music Appreciation elective course, directs the 9th grade Concert Band, co-teaches both Symphonic Bands, Wind Ensemble, and Jazz Band. He also serves as a Visual / Body Tech for the Marching Panthers.