Our Team



Rajesh has over 20 years of experience advising state governments and multinational corporations in the telecommunications, computer hardware and software sectors.


Rajesh is ranked as a Tier 1 lawyer by Chambers Asia-Pacific 2018 who is “highly prized by multinational technology companies for his expertise in data protection, telecoms regulation and cybersecurity.”


Regionally, Rajesh is assisting the ASEAN Secretariat on a pan-ASEAN forum to address convergence of IT, telecoms and broadcasting and by the Commonwealth Secretariat to co-lead an e-government capacity building exercise.


Steve Tan

With more than 18 years of legal experience, Steve is at the forefront of data protection and cybersecurity work and developments in Singapore as well as in Asian regional countries. Steve has assisted clients across multiple industries on cyber/data security matters, conduct of cyberbreach simulation exercise, data breach incident response, data protection law compliance.


Steve is recognised as a Leading Individual for TMT by The Legal 500 Asia Pacific since 2010, and attracts praise for being “one of the best in the field of personal data protection” (2017) and for his “wealth of knowledge and experience, tailored in line with the client’s business objectives” (2018). He has also been named as a Leading Lawyer in Chambers Asia Pacific since 2013, where he is cited to have “a strong reputation for his work in IT and data protection” (2018).


Wong Onn Chee

SABSA Chartered Architect,
PRINCE2 Practitioner,

Technical Director

Onn Chee's areas of expertise include information leakage protection, web security and security strategy. Onn Chee is also one of the co-inventors for at least six international PCT patents.


He is the current Chapter Leader of OWASP Singapore. He is also a member of the working groups which developed Singapore's first standardon cloud security and Technical References on IoT Security.


Michael Lew

Chief Executive Officer

Michael has over 20 years of consulting experience in technology risk management, cyber forensics, electronic discovery and in recent years, legal AI.


Michael was formerly a Director with a Big4 advisory firm and has led their Southeast Asia Discovery team. He is a leading E-discovery expert and digital forensics investigator who provides expert testimonies in both the courts of Singapore and Malaysia and was formerly the President of the High Technology Crime Investigation Association (Singapore Chapter). 


Michael is also the founding board member of ASEAN Legaltech Association and Chairman of Singapore FinTech Association Cyber Risk Sub-Committee. In 2017, he founded AI-driven legaltech startup LegalComet, which was acquired by Rajah & Tann Technologies and co-author of the book: A Practical Guide to E-Discovery in Asia.


Ong Ba Sou

Chief Technology Officer

Ba Sou has more than 25 years of experience in executing and driving technological change for MNC companies.


He was also responsible for driving Arthur Andersen’s digital transformation to accelerate outcomes; deliver world-class experiences; and share the team’s best practices using technologies, services and solutions.

He has broad expertise in IT, network, and telecommunications architecture/infrastructure design, full project life cycle management, client/vendor relationship management, and financial/operational management.

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Ann Yip

Associate Director

Ann is an Australian lawyer with extensive experience in all facets of dispute resolution.


As a commercial litigator, she has represented publicly-listed companies and high profile clients in large, cross-border disputes.


She has particular specialty in e-discovery in the context of litigation and investigation cases.


Her experience working in Australia, London, Vietnam and Singapore allows her to bring a fresh and astute perspective to problem-solving and project management.