Dibyajit Lahiri is Associate Professor in the Department of Biotechnology, University of Engineering & Management, Kolkata. His research interest is precisely on biofilm isolated from human prosthesis and its inhibition by various novel phyto and nano compounds. He is keen to explore the molecular mechanism behind the removal of biofilm by natural compounds. His research arena also encompasses computational drug development by using of bioinformatic. His work is regularly being presented and appreciated before a number of experts of National and International repute. He has more than 100 publications. Dr. Lahiri has edited 5 books. He is also in the role of associate editors of various journals of international reputes. Farshad Darvishi Harzevili is Full Professor at Alzahra University, Iran. He is mainly interested in the biotechnological and environmental applications of yeasts to the production of valuable products. He is also interested in metabolic engineering and synthetic biology of yeasts. Dr. Darvishi has published a number of books with various publishers including Springer and Taylor and Francis, and also serves as series editor for the Elsevier book series "Developments in Microbial Cell Factories: From Design to Commercial Production".