Christian has been involved in sleep disorders since 1990 and started Benchmark Sleep Services in 2011. He spent 6 years as manager of Bankstown Sleep Unit and also established Sutherland Sleep unit, Minchinbury Sleep Unit, and Greenacre Sleep Unit. He has been testing and analysing sleep data since and still analyses sleep data today and has analysed over 5000 sleep studies. Christian also worked at Fisher and Paykel Healthcare as state manager for 5 years and then worked for short period at Somnomed who make Mandibular Advancement devices. His last industry position was at Philips Respironics for over 5 years as their National Key Account Manager. Christian has attended manufacturer training at all the major brands of Fisher and Paykel Healthcare, Resmed and Philips Respironics.