Rizka Lestari, S.T ., M.Eng. is a Lecturer at Chemical Engineering study program. She completed her bachelor's degree in Department of Chemical Engineering, Universitas Islam Indonesia. She continued her post-graduate in Department of Chemical Engineering, Universitas Gadjah Mada. She joined in the Institut Teknologi Kalimantan from Juli 2021 until now. Her research interests include Waste utilization, and Hydrothermal. She has expertise are Chemical Engineering Science, and Supporting and humanities.