Dr Mahendra Rai: Professor and Head of the Department of Biotechnology at Amravati University in Maharashtra, India. He has published 210 research papers, more than 100 popular articles in Indian and foreign journals and 30 books from reputed publishers like Elsevier, Springer, CRC, Taylor and Francis and Scientific Publisher. He is a member of several scientific societies and has been a national Scholar for five years. He has received several prestigious awards, including the father T.A. Mathias award (1989) from the All India Association for Christian Higher Education, and the Medini award (1999) from the Department of Environment and Forest, Government of India. He also received SERC visiting fellowship by Department of Science and Technology (1996), INSA visiting fellowship by Indian National Science Academy (1998) and TWAS-UNESCO Associateship (2002), Italy. Dr. Rai serves as a referee for 20 international journals and is a member of editorial board of ten national and international journals. He has approximately three decades of teaching and research experience. The main focus of his research is plant and nanobased bioactives against human pathogenic microbes. Dr Kateryna Kon: MD, PhD, currently works at the Department of Microbiology, Virology and Immunology of Kharkiv National Medical University, Kharkiv, Ukraine at Associate Professor position. Dr Kon received best young scientist of Kharkiv award in 2007. She has nearly six years of teaching and eight years of research experience. She is the member of editorial board of five international journals. Her scientific output includes more than 70 published papers, 5 books and 17 scientific articles. The main focus of Dr Kon's research is antibiotic resistance in bacteria causing surgical and gynecological infections, antibacterial properties of essential oils and nanoparticles.