Mark Geslison is the artistic director of the Folk Music Ensembles in the School of Music at Brigham Young University. He began teaching at BYU in the fall of 1992. His students travel to all parts of the world as part of the Folk Dance/Music Ensemble. Most recently his students traveled to China, British Columbia, Washington, D. C., and Ashokan, NY. Future travels include central Europe, North Carolina, and the U.K. When out in the world his students perform various styles of folk music including Celtic (Irish, Scottish, Welsh, Cape Breton), Bluegrass, Old-time Appalachian dance music, Gypsy, Scandinavian, and some east European styles. They also spend time at music camps learning about the different styles of folk music from the world's folk music masters.
Geslison is the co-founder and co-owner of Geslison Groberg, LLC, which is a Utah-based music media company. In this business he and Geoff Groberg have produced 7 recordings that have sold 200,000 copies. Geslison is also the founder of the Institute of American Music which is a music publishing company that produces music method and tune books for music teachers and students across the U.S. He is also the founder of the local Bluegrass Fiddle Fest which is a semi-annual ensemble competition and performance festival held in co-sponsorship with the Provo Arts Council and Tahitian Noni.
Geslison is a 9-time state mandolin champion, a 2-time banjo champion, and a 7-time guitar champion. He has won the Best of State Original Music Composition Award 4 times (2005, 2007-09). He and Geoff Groberg won a 2005 Pearl Award for their recording of early LDS hymn melodies titled Emma's Hymns.
Geslison is a Utah native--born and raised in Spanish Fork in the Icelandic community founded by the first Icelandic settlers sent to that area by Brigham Young in the 1850s. He is married to Jeanette E. Geslison (a native of Odense, Denmark) and has 3 children: Alina, Isaac, and Ellie. His family is a musical band called, The Geslison Family Band. They play Bluegrass, Celtic, Old-time, and Texas Swing music styles.