Siti Muhyinatun M, S.H., CLA, CDPO

Director of Legal


Siti Muhyinatun M is the Director of Legal at CSI Consultant and Managing Partner of CSI Law Firm based in Jakarta, Indonesia.

She has 18 years in legal practice and has experience as a lawyer for projects of mergers and acquisitions (M&A), corporate finance & development, foreign direct investment, a broad range of complex local and cross-border commercial transactions, digital transactions, and the financial technology industry.

She holds a bachelor’s degree in law from the Atma Jaya Catholic University of Jakarta in 2005. As a legal practitioner, she has an advocate certificate license from the Indonesian Bar Association (PERADI or Perhimpunan Advokat Indonesia) in 2008.

She has been certified as a Legal Auditor by JSLG and ASAHI and as a Data Protection Officer by APPDI. As a CDPO, she has the competencies necessary to lead and comply with the GDPR in an organization.

Practice Area

General Corporate Law, Commercial Agreement, Contractual Disputes & Litigation, Mergers & Acquisitions, Legal Due Diligence, Digital Transaction & Financial Technology, Data Protection, and Legal Audit.


Bachelor’s in law from Atma Jaya Catholic University of Jakarta, 2001-2005.
Legal Auditor, Jimly School of Law, and Government (JSLG), 2021.
Data Protection Officer, Association of Data Privacy Professionals (APPDI), 2022.

Experience Highlight

  • Assisted PT Chint Indonesia, an electronic equipment importer and distributor, in relation to its acquisition by a Singapore-based electronic equipment manufacturer.
  • Assisted PT Bluepay Digital International, a pioneering electronic money issuer, and its shareholders in the acquisition of shares in PT Bluepay Digital International by a prominent conglomerate-affiliated company.
  • Advised PT Gunanusa Utama Fabricators, an oil and gas EPC contractor, on its share acquisition by an Indonesian heavy equipment provider company.

Memberships and Affiliations

Indonesian Advocate Association (Perhimpunan Advokat Indonesia/PERADI)
Indonesian Certified Legal Auditor Association (ASAHI)
Member of Indonesian Association of Data Privacy Professionals (APPDI)