Ray is an Australian engineer who followed 28 years in power generation with 26 years in academia. He has a lifelong interest in condition monitoring- developing, applying and sharing knowledge. He wrote and taught the Monash University postgraduate subject in machine condition monitoring for 25 years and led the postgraduate programs in maintenance and reliability engineering for 16 years. Taught by off-campus learning, students have been worldwide. Ray has written three books and dozens of papers and magazine articles. He continues as a conference speaker and trainer.