Pietrzykowski, Marcin: - "Marcin Pietrzykowski is a professor in forestry, forest ecology, and forest land reclamation at the Department of Forest Ecology and Reclamation at the Agricultural University in Krakow, Poland. His principal research focuses on the forestry, forest ecology, and forest land reclamation, especially on mine soil including vegetation relationships, trees species response and to reclaimed mine site conditions, nutrient cycling, carbon sequestration, site classification, and forest management on reclaimed mine sites. In 2013, he was awarded a Fulbright Scholarship at Virginia Polytechnic Institute and State University in Virginia, United States. He was awarded the European Award for Sustainable Land Use - CULTURA Prize 2015 by Alfred Toepfer Foundation. He is a member in the American Society of Mining and Reclamation, Society of Ecological Restoration, and the Polish Society of Soil Science. He is an author and co-author of over 150 scientific papers and has patented several inventions for biostabilazation methods of post-industrial sites."

Nunes, Fabio Carvalho: - "Fabio C Nunes is Professor and Researcher, Federal Institute of Education, Science and Technology of Bahia (IF BAIANO). Environmental consultant job in licensing projects, impact assessment and environmental management. Geographer (2002), M.Sc. Geochemistry and Environment (2005), Ph.D. in Coastal and Sedimentary Geology from the Federal University of Bahia (2011). Develops scientific research with soils, soil-plant interactions, environmental impact assessment (EIA), recovery of degraded areas and education.

Environmental Consultant since 2005 and 120 technical reports, Professor in the Faculty of Technology and Sciences - FTC (2006-2011), Professor since August 2011 in the Instituto Federal of Bahia (IF BAIANO), teaching for graduation Geography, Biological Sciences, and Post-graduation in Professional and Technological Education. Published 21 research articles in peer-reviewed Journals and 22 book chapters in Brazilian and international publishers, such as Elsevier and John Wiley & Sons."

Vara Prasad, Majeti Narasimha: - Dr. Prasad is Emeritus Professor, School of Life Sciences, University of Hyderabad (India). He has made outstanding contributions to the fields of bioremediation, bioresources, biomass energy sources, bioeconomy, and to the broad field of environmental biotechnology, all of which are his main areas of expertise. Dr. Prasad has served the Government of India's Ministry of Environment, Forests and Climate Change as a member of various advisory committees on biodiversity conservation, ecosystem services, pollution control and abatement, environmental information systems and bioremediation of contaminated sites. He is an active visiting scientist for several international universities.