HEINZ P. BLOCH is a consulting engineer in Iowa and a licensed professional engineer in New Jersey and Texas. He served over twenty years in various machinery engineering capacities at Exxon and retired from his position as Exxon Chemical's Regional Machinery Specialist in the United States. Mr. Bloch has authored seventeen books and more than 340 papers and articles, conducted over 500 technical courses, helped found Texas A&M's International Pump Users Symposium, and served as an editor on Hydrocarbon Processing magazine, and as chairman of the yearly International Process and Power Plant Reliability Conference.

Arvind Godse is chartered Mechanical engineer with in -depth exposure to Rotating Machinery & association with leading organizations viz. Engineers India, Kuwait National Petroleum, Qatar Petroleum, PDO / TEBODIN Oman.