Holman is best known for his work with multi-platinum artist  Olivia Newton-John, No Doubt Tragic Kingdom, Bush albums Sixteen Stone and Razorblade Suitcase, Adema, and Sick Puppies.
Holman is renowned for his collaborations with a diverse range of artists who have achieved significant commercial success, including Olivia Newton-John, No Doubt, Bush, Adema, and Sick Puppies.