 He became a record producer, predominantly for Los Angeles area bands like The Pop, 20/20, The Runaways, Concrete Blonde, Jumpin' Jimes, The Long Ryders, The Three O'Clock, The Tearaways, The Conditionz, Adicts, Durango 95,Leslie Pereira and The Lazy Heroes, and Kristian Hoffman.His brother James Mankey is also a musician.Mankey's route into studio work began formally with the demo recordings he engineered for Halfnelson.