Atty. John Philip C. Siao

Atty John Philip Siao, Co-Managing Partner


John Philip C. Siao

John Philip Siao is the Co-Managing partner of the Tiongco Siao Bello & Associates Law Offices (TSBLaw).  With over 18 years in private practice, John has developed an extensive expertise in complex corporate transactions, commercial contracts and regulatory and compliance matters.

John is a trusted counsel for start-ups and top companies in the Philippines. He has a deep knowledge of and extensive experience in the fields of Corporate Law, Data Privacy, Mergers & Acquisitions and Securities, Property Law, Administrative Law, Legal & Regulatory Compliance, and Litigation. He serves as counsel to several several International and Domestic listed companies and/ or their subsidiaries and works closely with International and In-House Counsels to service the Firm’s international clients.

As a leading lawyer in the field of Technology and Telecommunications, John has been recognized by the Asian Legal Journal of Thomson Reuters as one of the Top 50 Technology Media and Telecommunications lawyers for 2021 for work done for the Firm’s clients.

A member of the Philippine Bar, John graduated law within the top of his class, with honors and a Silver Medal, from the Ateneo de Manila University School of Law.

Prior to forming TSBLaw, John was with the Angara Abello Concepcion Regala & Cruz Law Offices (ACCRALaw).  From 2011 to 2016, he was also Special Legal Counsel for the Presidential Commission on Good Governance (PCGG) and Legal Consultant to Mandaue City, Province of Cebu. He is also currently a Board Trustee of the Walk on Water Foundation, Inc., a foundation which among others supports the charitable programs of Nespresso Nestlé.

John is also a faculty member and Professor of Law of the Manuel L. Quezon University School of Law. He is one of the about 100 Arbitrators of the Construction Industry Arbitration Commission who are assigned to handle and resolve construction related disputes in the Philippines. He is also a Trained Arbitrator of the Philippine Dispute Resolution Center, Inc. (PDRCI).