METAL MASTERMIND® - Key Persons


Alfred Potter

Alfred is a solo instrumental progressive metal guitarist and tutor living in New Zealand. In addition to publishing numerous ebooks and tuition courses, he has released two albums: "Argonaut" and "Splendor of Sands". He is endorsed by Hawk Picks and Kahler tremolo bridges. Alfred teaches the Sweep Picking Master course on Metal Mastermind®.

Bryden MacGregor

Bryden has enjoyed music since he was young and picked up his first guitar at the age of 7. Throughout his schooling, he played in school bands and completed music production for school events and theatre performances, with some vocal training in between. At the end of school, Bryden graduated with his high school diploma with music as his main focus. Today he is focusing on songwriting and starting a band in the future. Bryden is a moderator of the Metal Mastermind® Discord community.

Elizabeth de Deus

Job Titles:
  • Coach
Elizabeth is a vocal coach, music producer, and songwriter from NYC. She specializes in vocal technique and music theory development, as well as music composition and music production. Elizabeth teaches the Metal Vocal Virtuoso course on Metal Mastermind®.

Emily McKenna

Emily has been involved in music since she was young; her first love was the tuba, but she discovered the bass guitar as a teenager. She primarily plays the bass, but also guitar and synthesizers, and is currently the bassist and primary songwriter for her band. She is the community manager of the Metal Mastermind® Discord server and helps keep the conversation going.

Jason Stallworth

Jason is a metal guitarist, vocalist, and songwriter who has produced and released 4 solo albums. He's also an engaged YouTuber that helps other guitar players excel in their craft. Jason teaches the Metal Guitar Apprentice and Metal Riff Master courses on Metal Mastermind®.

Rich Gray

Rich is the bassist for thrash metal legends Annihilator as well as creator and multi-instrumentalist for Aeon Zen. He also records as a session musician for hundreds of artists each year and runs a mixing & mastering studio in Cambridge, UK. Rich teaches the Metal Bass Master course on Metal Mastermind®.