Khaldoun Shatanawi, Ph.D.

Assistant Professor, University of Jordan, Amman, Jordan Dr. Biro is an experienced engineer with very practical thinking. His novel approaches, versatility and diverse base of knowledge related to the asphalt and hydrocarbon fields always resulted in high quality...

Norbert Vincze 

Drilling Fluids Engineer, AVA – Newpark Group, Hungary I used the support of Szabolcs in solving various rheology related issues. I greatly appreciate his technical knowledge, practical approaches and nice personality.

Serji Amirkhanian, Ph.D. 

Director of Research and Development for Phoenix Industries of Las Vegas, USA Dr. Biro joined my research team at Asphalt Rubber Technology Service (Clemson University) several years ago as a Post-Doctoral Research Scientist.  His responsibilities included performing...

John S. Kay, P.E., CLGS

Vice President – Engineering, STRATCO, Inc., Scottsdale, Arizona, USA (part of Green card support letter) Dr. Biro has in-depth experience in the field of high performance modified asphalts, which is a critical core competency in a key industry served by both...

Norman Kolb

Chemical Engineer, Strategy Engineering, Houston, Texas, USA It is pretentious of me to judge individuals of Dr. Biro’s qualification, however I can say without hesitation that Dr. Biro is among the finest engineers that I have met.