Dr. Billy DeMoss, D.C. – Chiropractor, Visionary, and Founder of California Jam Dr. Billy DeMoss is a cultural icon in chiropractic. Founder of DeMoss Chiropractic, California Jam, and the Dead Chiropractic Society, he’s an outspoken leader blending natural healing, activism, and rock-n-roll. Known for his fierce passion and rebellious energy, Dr. Billy has built the world’s largest chiropractic event—California Jam—where purpose meets performance. He is a force for chiropractic, consciousness, and global transformation.