Ridwan Siallagan
Project Manager
Master in Business Administration
2005-2007: Inspector,
Quality Ansurance-Wilmar, Multimas Nabati Asajan.
2007-2011: Coordinator
Technical Engineer Nalco at Pelintung, Dumai. Based on site Kawasan Industri
Pelintung-Dumai.
2011: Field Operator at
PT. Patra SK, Dumai. Lubrican Based Oil.
2012: Sales Manager at PT. Tirta Kimia Engineering (SISKEM group)
2020: Direktur, PT SUKSES
SEPAKAT SEJATI