Erwin Tanuwidjaja
CEO/President Director

Indonesian citizen, currently aged 57. Served as President Director since 2008. Erwin Tanuwidjaja also served as the President Director for PT Sigma Mutiara (2016 - present), President Director for PT Paramita Adhi Perkasa (2013 - present). Previously served as Director for PT Paramita Bangun Sarana (2002 - 2008) and Director for PT Sigma Mutiara (2006 - 2015).

Graduated from Swiss College High School, Singapore in 1975.

Yonggi Tanuwidjaja
Vice President Director

Indonesian citizen, currently aged 51. Served as Vice President Director since 2013. Yonggi Tanuwidjajaj also served as Director for PT Sigma Mutiara (2016 - present), President Commissioner for PT Trans Power Marine Tbk (2012 - present). Previously served as commissioner for PT OSK Nusadana Securities Indonesia (2008 - 2012), President Director for PT Nusadana Capital Indonesia (2005 - 2008) and Vice President Investment for Salomon Smith Barney Incorporation (2000 - 2003)

Graduated with Bachelor's of Science in Business Administration and Finance from California State University, Long Beach, United States in 1988.

Evelyn Tanuwidjaja
CFO/Director of Finance

Indonesian citizen, currently aged 34. Served as Finance Director since 2012. Previously served as Junior Associate for Mckinsey & Company, Jakarta (2009 - 2010), Corporate Finance Analyst for PT Nusadana Capital Indonesia (2007 - 2009) and Finance Director for PT Nusadana Capital Indonesia (2005 - 2007).

Graduated with Bachelor's of Science in Business Administration, majoring in Accounting from the University of Wisconsin, Madison, United Stated in 2003.

Djunaidi Setiawan Halim
Director of Operations

Indonesian citizen, currently aged 60. Served as Project Director since 2006 at first before serving as Independent Director in 2016. Previously served as Technical Director for PT Bangun Sarana Baja (1995 - 2005), Project Manager for PT Bangun Sarana Baja (1990 - 1995) and Engineering Manager for PT Bangun Sarana Baja (1985 - 1990).

Graduated with Bachelors of Engineering from Katolik Parahyangan University, Bandung in 1982 and obtaining Postgraduate degree of Structure Engineering from the University of Starthclyde, United Kingdom in 1985.

Vincentius Susanto
Director of HRD and Corporate Secretary

Indonesian citizen, currently aged 55. Served as Operational Director since 2016. Previously served as Project Manager for PT Sigma Mutiara (2008 - 2015), Operation & Business Development Manager for PT Asiamotor Industries (2003 - 2007), Chief Operating Officer & Business Development for PT Indonesia Vehicle Computer System (2000 - 2002), Director for PT Bank Hastin International (1992 - 1999) and an entrepreneur for Garment and distributor for Air Conditioner (1990 - 1991)

Graduated with Bachelor's of Science in Business Management from Katolik Parahyangan University (Economic Faculty), Bandung in 1985.