[1] Among his collaborations are works written for Anthony & Demarre McGill; Grammy Award winner Jason Vieaux; Philadelphia Orchestra principal flutist Jeffrey Khaner; organist Alan Morrison; the Dover Quartet; and the flute & guitar duo of Bonita Boyd & Nicholas Goluses.
[2] Also a composer of educational works, he has written music for youth orchestra, wind ensemble, narration and voice for young minds and musicians.
Sessler teaches at the Curtis Institute of Music and the Juilliard School, Pre-College and he is a trained classical guitarist.
"Sessler's 2013 String Quartet, whose first movement was full of reverberations and refractions on optimism and sincerity, and the same kind of American vibe that infused Barber" was written by Peter Dobrin in The Philadelphia Inquirer.
[3] While Victor L. Schermer added, "Sessler achieved a delicate balance between the rounded romantic development of mood and motif and a post-modern sense of music that’s paradoxically linear in its non-linearity and constant in its change— a song without a singer.