István Mező is Research Professor, Nanjing University of Information Science & Technology, Nanjing, P.R. China. He holds a Ph.D. from University of Debrecen, Institute of Mathematics, Debrecen, Hungary. He has 72 published articles with 600 citations. He is also the author of Combinatorics and Number Theory of Counting Sequences, published by CRC Press and recognized by CHOICE magazine as a recommended title among 2020 publications.