Professor Ansuman Chattopadhyay is a faculty of Department of Zoology; Visva-Bharati; Santiniketan-731235, West Bengal, India. He working in the field of environmental toxicology for last 20 years. His area of research includes toxicology of fluoride, arsenic, chromium and nanoparticles (organ and genotoxicity and their molecular mechanisms); Nrf2-Keap1 signaling pathway; metal profiling; epigenetic regulation of DNA repair genes etc. He has published more than 75 research publications in reputed international journals. He is a member of many scientific societies both national and international. He is a UICC fellow and acting as an associate editor of the journal Nucleus (Springer).

Bachir Raho Ghalem has completed his PhD in 2011 from Sidi bel Abbes University. He is the Co-Director of Process Engineering and Chemistry of Solutions Laboratory, University of Mascara, Mascara, Algeria. He has published more than 50 papers in reputed journals and has been serving as an editorial board member of repute.

Professor, Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Chief, Hyperbaric Center, Wonju Severance Christian Hospital, Gangwondo, Korea.President, Korean Society of Undersea & Hyperbaric Medicine (KSUHM) Planning Director, Korean Society of Clinical Toxicology Planning Director, Korean Society of Emergency Medicine.1995 LICENSURE IN MEDICINE, 1999 KOREAN BOARD OF EMERGENCY MEDICINE.