Who painted Kirk Hammett's office at Metallica HQ?

Kirk Hammett's office at Metallica HQ was painted by the renowned artist and muralist, Brian "Pushead" Schroeder. Pushead is known for his distinctive style and has collaborated with Metallica on various projects, including album artwork. The mural in Hammett's office reflects his personal interests and aesthetic, showcasing Pushead's unique artistic vision.