Prof. Bhaskar Sen Gupta is a Professor at the School of Energy, Geoscience, Infrastructure and Society, Institute for Infrastructure and Environment, Heriot-Watt University, Edinburg, Scotland, United Kingdom. He is an environmentalist having a special interest in contaminated water and soil treatment. His work on sub-surface arsenic remediation without any use of chemicals or waste generation received worldwide acclaim for novelty and sustainability. He has been involved in environmental research with a special focus on low-cost water and wastewater treatment in Asian countries over the past 30 years. During this time, he has implemented many groundwater/soil remediation projects in India, Malaysia, Bangladesh, Cambodia, Chile, and Mexico. Prof. Nadia MartÃnez-Villegas is a Professor at the Applied Geoscience Division at IPICYT in Mexico, president of the National Institute of Geochemistry (INAGEQ), co-chair of the Arsenic Research and Action Network (ARAN), and editor of the Royal Society Open Science.
She is also the principal lead of more than 10 research projects, co-author of more than 50 research papers, advisor to more than 25 doctoral, master's, and bachelor's theses, and advocate of science outreach. She was recognized with the Royal Society Newton Advanced Fellowship, as a finalist of the Newton Prize in 2018, and as a mentor for women in STEM. She was awarded scholarships and prizes from Mexico, Cuba, Italy, and the UK. Her research focuses on studying arsenic and trace elements in the environment.