James Valentino holds a doctorate in applied mechanics from
the Polytechnic University of New York. He has over 25 years
experience teaching technology courses and many years in industry.
Currently, he is professor and chairperson of the department of
Mechanical Engineering Technology & Design Drafting at
Queensborough Community College (CUNY). He is a member of Sigma XI,
a senior member of SME, and coauthor of Learning Mastercam X2 Mill
Step-by-Step, also published by Industrial Press.
Joseph Goldenberg is Associate Professor, Department of Engineering Technology, and Director of Manufacturing Processes Laboratory at Queensborough Community College, New York. Professor Goldenberg holds an Engineer Degree in Machine Tool Technology, Lvov Polytechnic institute, USSR; and an MS in Manufacturing Engineering, Brooklyn Polytechnic University. He has PhD equivalency, granted by CUNY Board of Trusties; and holds the EIT in New York State. With over 45 years of experience as a mechanical engineer and machine tool designer, Goldenberg is an expert in CNC, CAD/CAM programming, and manufacturing management. He is the founder and President of the Center for Advanced Manufacturing Studies, a company dedicated to training and advising manufacturing personnel in the latest developments of CNC and CADCAM technology.