Dr. Gilbert C. Sigua is a Research Soil Scientist at the USDA-ARS Coastal Plains Soil, Water, and Plant Research Center in Florence, South Carolina, USA. Gilbert is a nationally and internationally recognized expert and authority in his field because of his work on agronomic, soil quality, water quality and environmental management research as evidenced by his various international projects in Brazil, Australia, Philippines, Japan, Singapore, and Cambodia. Dr. Sigua’s scholarly achievements and expertise have been widely recognized through numerous honors and awards. As a testimony to this, he was recently awarded major fellowship awards, to wit: a) Fellow of American Society of Agronomy; b) Fulbright Fellow; c) Japan Society for Promotion of Science Fellow; d) “Balik Scientist” Fellow; and e) Fellow of Soil Science Society of America. Research Interest: His research program focuses on: (1) both the short-term and long-term solutions to enhancing agricultural and environmental sustainability and improving water and nutrient management in humid region; (2) utilizing recycled materials such as biochars and dredged materials for agricultural and environmental sustainability; and (3) currently serving as the U.S. government-supported mentor for the USAID-National Science of Academy funded Partnerships for Enhanced Engagement in Research (PEER) project in Cambodia.