CWB testing after diploma in electrical engineering

Hey guys, my grandson has recently completed his diploma in electrical engineering and now planning to join certification in CWB testing from Weldtech training center in Ontario. I saw many other program ( http://www.weldtechtraining.com/about-us ) specializing in customized welding education and consulting services. I have no idea on how to choose a career oriented program for him. Has anyone ever done the course CWB testing after diploma in electrical engineering. It would be great if anyone could share their experience or opinions via this thread