Co-Founder, Instructor of Guitar

William Seiji Marsh is a guitarist, vocalist, educator, and musician mindset coach based in Portland, Oregon. As an educator, William has honed his teaching skills at prestigious institutions such as Reed College and Willamette University, where he provided individualized instruction to a diverse body of students. His approach, deeply rooted in technique, theory, and improvisation, has been fine-tuned over years of dedication to his private studio, where he nurtures the musical growth of his students. His educational philosophy emphasizes not only musical proficiency but also the development of a creative and adaptive mindset for musicians.

In the realm of performance, William’s versatility shines through a discography that includes collaborations with acclaimed Portland area artists such as Edna Vazquez, Haley Heynderickx, Lost Lander, and Cardioid, as well as international tours with Pink Martini and Cherry Poppin’ Daddies. His stylistic fluency across jazz, rock, blues, and beyond, combined with his experience in orchestral and chamber settings, makes him a sought-after musician for both live and studio sessions.