Leon P.B. Janssen is chairman of the department of Chemical Engineering at the University of Groningen, Netherlands. After his PhD at Delft University of Technology, he started working there and at the University of Delaware (USA).
He has authored over 200 scientific publications and 5 books. He is member of the Royal Dutch Society of Sciences and the Royal Institution of Engineers. He is a visiting professor of Harbin Institute of Technology (China) and of the University of Surabaya (Indonesia).

Leszeck Moscicki is head of the Department of Food Process Engineering of Lublin University of Life Sciences and Technology. After his PhD at Lublin Agricultural University he worked for four years at Wageningen Agricultural University after which he returned to Lublin. He authored and co-authored more than 150 scientific publications. He is a national delegate to International Association of Cerial Science and Technology, committee member of the Polish Academy of Science and several other Polish scientific and professional associations. He has been coordinator of several EU projects on processing of vegetable raw material.