Dr. Arittha Wikramanayake is a veteran Corporate and M&A lawyer. During his tenure as the Director General of the Securities and Exchange Commission (SEC), he played a pivotal role in the development and formulation of fundamental laws, regulations and policies - including the formulation of the Takeovers and Mergers Code. He thereafter served as the Precedent Partner of Nithya Partners (Attorneys-at-Law) for nearly 25 years, where he was the driving force in consolidating its position as one of the dominant corporate law firms in Sri Lanka.

As one of the leading capital market experts in the country, Dr. Wikramanayake has served in various key regulatory and policy formulating bodies including the Sri Lanka Accounting and Monitoring Standards Board, the Public Enterprises Reform Commission and Committees for the formulation of Codes of Corporate Governance.  He also served as the Chairman of the Company Law Advisory Commission, a Member of the Advisory Commission on Intellectual Property Law and as a Member of the National Trade Negotiation Committee appointed by the Cabinet of Sri Lanka to negotiate Free Trade Agreements with Singapore, India, China and Thailand.  He is presently a member of the Law Commission of Sri Lanka.  In addition, he has been consistently ranked as a leading individual in the fields of Corporate and M&A by Chambers & Partners and the Legal 500 Asia Pacific.