Slamet is a lecturer of Chemical Engineering, Faculty of Engineering, University of Indonesia since 1991. In 1994, he became a staff of Venture Unit Chemical Engineering Department, UI. And then in 1997, he became a Head of Natural&Product Design Laboratory. In 2007, he got Satyalancana Karya Satya UI achievement. Presently, in 2008 he got achievement for regional and international science article. He graduated with a BSc in Chemical Engineering from UGM. He gained a Master in Gas Technology and Catalyst from UI. And he hold a doctoral programme in photocatalytic from UI. He is teaching many chemical engineering's subject such as gas processing, transport phenomena, chemical reactor design, chemistry kinetics, mass transfer, applied mathematics, chemical reaction engineering, and photocatalysis.