Hiromu Okazawa is a professor at the Faculty of Regional Environmental Science, Tokyo University of Agriculture (TokyoNODAI). He is a hydrologist in the field of agriculture. He received his PhD from Hokkaido University in 2003. Since 2004, he has been employed at TokyoNODAI, where he worked as a lecturer and associate professor before becoming a professor in 2016. He has been conducting research on agriculture and water resources management since 1998. Using a hydrologic model, he studies the effects of runoff from agricultural lands on stream water quality in agricultural watersheds. His most recent work involved the use of UAVs to validate growth monitoring of agricultural lands.