Roberd Tjiam is a seasoned professional with extensive experience in engineering and quality management, currently serving as a Certification Manager at Rheem Australia since August 2010. Tjiam has held various roles at Rheem Australia, including Project Engineer, Quality Engineer, and Lean Engineer. Prior experience includes working as a Technical Officer at LafargeHolcim and a Concrete Laboratory Technician at Boral Construction Materials. Tjiam began a career in the mining sector as a Night Shift Supervisor at INTEC Pty Ltd. Educational qualifications include a Bachelor of Engineering in Industrial Chemistry from UNSW, a Lean Six Sigma Green Belt certificate from the University of Technology Sydney, an ISO 9001 Quality Management System Internal Auditing certificate from SAI Global, and a Diploma in Project Management from TAFE NSW.