Founder of Dunlop Manufacturing, a manufacturer of musical accessories.
He moved to San Francisco in the 1960s, and began making and selling toggle capos while working as a processing and chemical engineer at Barr and Stroud in Glasgow
Dunlop Manufacturing has acquired several prominent pedal companies, including Cry Baby, MXR and Way Huge.
He began making the toggle capos with his wife.
Ann Gloag is also an entrepreneur born in Scotland.