Our People
Meet the team driving Zekindo forward
PT Zeus Kimiatama Indonesia (Zekindo) focuses on creating an inclusive environment where our diverse workforce receives equal opportunities, and is respected, valued, and supported — enabling them to contribute their best in realizing the organization’s full potential. Our experienced management team applies best practices to lead more than 200 permanent employees across the company and its subsidiaries.
Our Leadership Team
A dedicated, highly qualified team leading Zekindo into the future.
Sumantri Ishak
President Director
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Sumantri Ishak, an Indonesian citizen born in Bukittinggi in 1969, completed his Bachelor’s degree in Chemical Engineering at the Bandung Institute of Technology in 1993. He has more than 29 years of experience in leadership roles and in various positions—including Product Manager and Account Manager—within the applied services sector. He is the founder of PT Zeus Kimiatama Indonesia and was appointed President Director of PT Zeus Kimiatama Indonesia in 1998 and of PT Acme Indonesia in 2005. He also serves as Commissioner at PT Powerindo Kimia Mineral, PT Miltonia Warna Asia, and PT Triton Kencana Tirta.
He has served as General Secretary of the Chemical Engineering Division (2017–2021) and as Head of the Special Chemicals Division (2014–2017) at Badan Kejuruan Kimia, Persatuan Insinyur Indonesia. Since 2021, he has been a member of the Advisory Board for the Undergraduate Program in Bioenergy and Chemurgical Engineering at the Bandung Institute of Technology.
Indra Gunawan
Vice President Director
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Indra Gunawan, an Indonesian citizen born in Pematang Siantar in 1972, holds a Bachelor’s degree in Chemical Engineering from the Bandung Institute of Technology. With over 27 years of experience in multinational chemical companies, he has developed expertise in general management, factory operations, expansion projects, product development, and change management across Indonesia and the Asia region. Throughout his career, he has specialized in chemical manufacturing for industries including textiles, leather, paper, home care, personal care, pigments, and mining chemicals.
From 1997 to 2024, his career included key leadership roles such as Country Head/Director of Archroma Indonesia and Head of Operations for Asia Local Plants (April 2014 – October 2024), Head of Site and Production at PT Clariant Indonesia (January 2010 – March 2014), and Plant Manager at Clariant (Tianjin) Ltd., China (2006 – 2009). In 2025, he began a new professional chapter as Vice President Director and Integrated Supply Chain Director at PT Zeus Kimiatama Indonesia.
Istiyarso
Director, Oil & Gas
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Istiyarso is an Indonesian citizen, born in Semarang in 1962. He holds a Bachelor’s degree in Chemical Engineering from Diponegoro University and has over 34 years of professional experience in the oil and gas industry, having worked at PT Caltex Pacific Indonesia, Atlantic Richfield Indonesia Inc., Chevron Sumatra – TR Oil Services, and acted as Regional Technical Manager Asia at Clariant Oil Services, Kuala Lumpur. His expertise spans production, drilling, technical services, as well as business and managerial functions. He currently serves as Director of the Oil and Gas Business Unit at PT Zeus Kimiatama Indonesia.
Evirna Lisnawaty
Director, Finance
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Evirna Lisnawaty is an Indonesian citizen born in Bagansiapiapi in 1973. She earned her Bachelor of Economics in Financial Management from Tarumanagara University in 1995 and has completed the Tax Consultant Level C Certification. Before joining Zekindo, she built her career in finance, accounting, and taxation through several roles: Finance and Accounting Staff at PT Vivamas Adipratama (1992–1994); Assistant Manager of Finance, Accounting, and Taxes at PT Jaya Abadi (1994–1996); Manager of Finance, Accounting, and Taxes at PT Higashifuji Indonesia (1996–2002); and Senior Manager of Finance, Accounting, and Taxes at PT Mega Arvia Utama (2002–2012).
She currently serves as Finance Director of PT Triton Kencana Tirta (2014–present), Director of PT Elektra Visi Indonesia (2012–present), and Director of PT Terra Fortuna Indonesia (2011–present).
Yana Marlianty Safaqoh
Director, Business Support
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Yana Marlianty Safaqoh is an Indonesian citizen born in Jakarta in 1972. She holds an Associate’s degree in Information Management from STMIK Gunadarma. She has more than eight years of experience in the manufacturing industry—particularly in human resources, information technology, and business support—and 22 years of professional experience in the banking sector, specializing in operations, business process improvement, ISO management, project management, testing management, and general affairs.
She began her career as an ATM & Credit Card Officer and later Senior Manager at Lippo Bank (1993–2008). She then served as Assistant Vice President in the Parameter Division and as Vice President in the Transformation Office at CIMB Niaga (2008–2014). She was appointed HR and IT Head of Zekindo Companies in 2014, a position she continues to hold today.
Our Board of Commissioners
With their expertise, our Board of Commissioners offers strategic direction to move Zekindo forward.
Freenyan Liwang
President Commissioner, Independent Commissioner & Head of Audit Committee
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Freenyan Liwang is an Indonesian citizen, was born in Makassar in 1961. He earned a Bachelor of Business Administration degree at Tamkang University, Taipei, Taiwan in 1986. He has more than 25 years of experience in risk management and quality control in several industries. He has also obtained his level 5 risk management certification from Badan Sertifikasi Manajemen Risiko. He started his career in the banking industry (PT Bank Internasional Tbk and Ningbo International Bank) in 1991 and was appointed as President Director of PT Bank Sinarmas Tbk. in 2010.
Currently, he serves as Independent Commissioner and Chairman of Audit Committee at PT Zeus Kimiatama Indonesia, Commissioner of PT Gradana Teknoruci Indonesia, Director of Business Development for CCA Australia Pty Ltd, and Independent Commissioner of PT Kencana Energi Lestari.
Indreshwara Murniadi
Commissioner
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Indreshwara Murniadi is an Indonesian citizen, born in Jakarta in 1983. He earned a Bachelor’s degree in Economics at Pelita Harapan University (2007) and continued his Professional Accounting Education at Trisakti University (2009). He had taken Brevet AB training of the Indonesian Accounting Association (2008). He started his career as Director of PT Arthatech Selaras (2013-present). Currently, he serves as Director of PT Megah Alengga (2016-present), Commissioner of PT Aventurine Prana Asia (2012-present), and Commissioner of PT Dua Sinar Matahari (2020). He was also appointed as Commissioner at PT Zeus Kimiatama Indonesia.