GREG C. STONE, PhD, is an electrical engineer working at Iris Power L.P. in Toronto, Canada (a company he helped to form). Prior to that, he worked for the Research Division of Ontario Hydro, which at that time was the largest electric power utility in North America.

IAN CULBERT currently works as a rotating machine engineer at Iris Power L.P. in Toronto, Canada. Prior to that, he was a specialist at Ontario Hydro (now Ontario Power Generation Inc.) where he provided technical support to power station project engineering, operations and maintenance staff on the design, specification, maintenance, and repair of all types of motors and standby generators. Prior to that, he was a motor designer.

EDWARD A. BOULTER, Lt. Commander (Ret.), USN Reserves, is now a consulting engineer. Previously he spent nearly forty years working as project/senior engineer and technical team leader designing machine insulation systems at General Electric.

HUSSEIN DHIRANI was a senior generator design engineer at Ontario Power Generation.