Jamie Masefield
Masefield (pictured with Trey Anastasio of Phish) leads the Jazz Mandolin Project, a trio. He's playing a semi-hollow 5-string electric mandolin with an Alembic pickup, custom built by Bay Area luthier John Knutson. He also plays a Gibson A-50 with an L. R. Baggs bridge pickup, as well as a Rigel mandola.