Experiences
1992-present : Lecturer in Department of Chemical Engineering, Widya Mandala Surabaya Catholic University
1993-1994 : Head of Organic Chemistry Laboratory
1994-1995 : Head of Unit Operation I Laboratory
1995-1998 : Head of Process Technology Laboratory
1996-1997 : Deputy of HoD, Department of Chemical Engineering, Widya Mandala Surabaya Catholic University
1997: Team member of Department of Chemical Engineering Accreditation Committee
2002: Chair of The National Conference on Design and Application Technology 2002
2002-2003: Head of Unit Operation Laboratory
April 2003-February 2008: Head of Department, Department of Chemical Engineering, Widya Mandala Surabaya Catholic University
2003: Team leader of Chemical Engineering acreditation committee
2002-2003: As team member of restructuring curriculum
2003-2004: Member of selection committee for academic technical assistance program for priority fields in basic science, engineering, and agricultural under subproject management unit technological and professional skill development project (TPSDP) batch II (ADB Loan No: 1792-INO)
2003-2004: Program coordinator for Department of Chemical Engineering Widya Mandala Surabaya Catholic University subproject management unit  technological and professional skill development project (TPSDP) batch II (ADB Loan No: 1792-INO)