Dr. R. Vis, whose name Viswa Lab carries, is first a Marine Engineer and holds a Doctorate in Metallurgical Engineering and a Masters in Internal Combustion. He is on the Roster of Experts of the International Maritime Organization (IMO), a Consultant to the Department of Transportation (Maritime Administration, Federal Government of the USA), and a member of the CIMAC Working Group for Heavy Fuels and Lube Oils and ASTM D2 Committees. Dr. Vis has personally inspected over 4,000 ships as a Classification Surveyor, has had many publications in highly regarded journals, and is globally referred to as the “bunker guru”. After his career with the American Bureau of Shipping, he worked as a scientist with NASA for six years before starting the lab. Viswa Lab is the second biggest lab in Bunker Fuel Testing in terms of samples tested, and is also involved with Energy Efficiency, Emission Reduction, Scrubbers, EEOI and instrumentation for all of these.