A native of Peoria, IL, Dan Wessler is currently the Artistic Director of The Westminster Chorus. Dan is also the gold medalist bass singer of 2018 quartet champions After Hours and past musical director for The New Tradition Chorus (Northbrook, IL chapter of the Barbershop Harmony Society). Dan's quartet is world-renown as one of the most virtuosic to ever cross the competition stage, and they currently hold the record for highest score ever achieved in quartet competition with a 94.7%.

Dan is a sought after clinician and coach in the Barbershop Harmony Society, teaching at Top Guns, Harmony Colleges, and at Harmony University throughout the year. He's also a prolific arranger, creating contestable and general show arrangements for choruses and quartets at all levels and voice/gender classifications. Dan is also a certified Music judge in the Barbershop Harmony Society's Contest & Judging program. Dan currently holds a Bachelor’s Degree in Music Education from Bradley University, a Master’s Degree in Choral Conducting from Western Illinois University, and has a DMA in Choral Conducting from the University of Colorado Boulder.