Ellen has joined Belinda Ang Tang and Partners as a Consultant on 1st April 2015.
Ellen was admitted as an Advocate and Solicitor of the Supreme Court of Singapore in January 1981 and was employed as a Legal Assistant.
In 1984, Ellen set up her own sole-proprietorship law firm, Ellen Lee and Company, and after 21 years of successful practice, she merged it with M/s Ramdas & Wong in 2005 to become one of their Consultants in preparation for busier times ahead as a Member of Parliament after the General Elections in 2006.
She was elected twice as a Member of Parliament for Sembawang GRC (Woodlands) in May 2006 and May 2011 respectively. She retired from politics in August 2015 before the General Elections in September 2015.
During her tenure as MP, she held many appointments. More prominently, she was the Chairman of the Singapore-Europe Parliamentary Friendship Group and a member of the Commonwealth Parliamentary Association's Women Parliamentarian Executive Committee.
Ellen was also Vice-Chairman of the Government Parliamentary Committee (GPC) for the Ministries of Defence and Foreign Affairs and and concurrently a member of the GPC for Health.
She was also an ex-officio in the Ngee Ann Kongsi after her election in 2006 until her retirement from politics.
Ellen is an appointed Board Member of the Land Transport Authority, the Nam Hwa Opera Limited and the Silver Ribbon Singapore.
Her current honorary appointments included being Honorary Legal Advisor of several non-governmental organisations and voluntary welfare organisations, Clans, Associations, Cultural and Literary Groups, among others.
Ellen is also concurrently the President of the Singapore Table Tennis Association.