Welly Tantono is the group general counsel for Secretlab, the maker of award-winning gaming chairs that are the choice of professional esports teams and events. Welly started her legal career at the top New York and California law firms as an intellectual property litigator where she acted for clients in bet-the-company lawsuits and other complex multi-jurisdictional litigation. She transitioned into corporate counsel to firms in the technology and healthcare sector and has deep experience with capital markets, start-up funding and public listings, as well as cross-border M&A, IP licensing and joint venture projects in both developed and emerging markets. Her in-house career has involved senior roles in Singapore and the United States. She was the co-founder of one of Singapore's first healthcare cooperatives. Welly graduated with honours from Harvard University and Duke University. She was the President of the Association of Corporate Counsel, Singapore Chapter and currently serves as a member of the Legal Subcommittee to Fencing Singapore. She has also been appointed as a Lecturer by the National University of Singapore's School of Computing.

Mr. Antonius Karamoy appointed as Audit Committee Member of PT Steel Pipe Industry of Indonesia Tbk since 2022. He earned Master of Commerce – Professional Accounting from Macquarie University, Sydney, Australia in 2005 and previously he also graduated from Institut Bisnis Indonesia (Kwik Kian Gie Business School) as Magister of Management – Finance Major in 1997. He started his career in PT Arya Upaya Corporation as Internal Audit Supervisor and Senior Auditor in SGV Utomo – Arthur Andersen Indonesia in 1988. In 1988 – 1992 he joined PT Honoris Industry as Finance Director. In 1992 – 1994 he joined PT Modernland Realty Tbk as Finance Director. In 1995 – 1998 he joined PT Putra Alvita Pratama as Chief Financial Officer. In 1999 – 2000 he joined Liu Madden Partners as Senior Accountant. In 2000 – 2005 he joined Bently Berton as Audit & Business Services Supervisor. In 2005 – 2006 he appointed as Chief Financial Officer in PT Alumindo Light Metal Industry Tbk. In 2006 he joined Tolley PTY Ltd as Senior Auditor. In 2006 – 2008 he joined Flower Financial Group as Senior Financial & Tax Accountant. In 2006 – 2011 he joined Haryono, Junianto & Saptoamal Registered Public Accountant as Consultant – Senior Associate. In 2008 – 2011 he joind Steven J Miller & Co as Audit and Tax Supervisor. In 2011 – 2012 he appointed as Chief Financial Officer in PT Daya Manunggal. In 2012 – 2017 he joined PT Alam Sutera Realty Tbk as Chief Audit Executive and GM Accounting & Tax. In 2018 he appointed as Chief Financial Officer in Damai Putra Group. Currently he active as Audit Committee Member in PT Wintermar Offshore Tbk.

Mr. Yoshinori Nishimoto joined the Audit Committee of PT Steel Pipe Industry of Indonesia Tbk in 2024. He holds a Bachelor of Law degree from Waseda University. His career began as Chief of the Foreign Division at PT Shigeta Animal Pharmaceuticals. From 2007 to 2020, he served as a Sales Advisor at the SPINDO Karawang Factory of PT Steel Pipe Industry of Indonesia Tbk, a leading steel pipe manufacturer in Indonesia. In 2024, he was appointed as a Audit Committee of the company