Source document: https://docs-lawep.s3.us-east-2.amazonaws.com/1698829616653.pdf (Singapore)
CURRICULUM VITAE Born on 31 August 1970, Dennis received his early education at Nanyang Primary School, Raffles Institution and Raffles Junior College.

Dennis studied law at the University of Nottingham.

After graduating with a Bachelor of Laws (Hons) in 1994, he went to bar school in London.

After becoming a Barrister-at-Law at the Middle Temple, London, he came back to Singapore.

He became an Advocate and Solicitor, Supreme Court of Singapore in 1997.
He re-qualified as a Solicitor, Supreme Court of England & Wales, in 1999 while working in an English law firm, Stephenson Harwood.

After working as a shipping lawyer for a few years, he obtained a Masters in Maritime Law at the University of Southampton in 2005.

Dennis practised as a shipping lawyer from 1997 to the present date, doing both contentious and non-contentious shipping legal work.
He was previously a partner in shipping law firm, Ang & Partners, before starting the shipping law firm, DennisMathiew in 2005 with another partner.

He is also a Fellow of the Chartered Institute of Arbitrators, United Kingdom.

Dennis started as a volunteer with the Workers’ Party during the 2011 General Election, becoming a member in early 2012.

In September 2013, he was co-opted as a member of the party’s Executive Council.
In July 2014, he was elected to the party’s Executive Council and became the party’s Vice- Chair, Media Team.

In the 2015 General Election, he was the party’s candidate for the Single Member Constituency (SMC) of Fengshan.

He obtained 42.5% of the polled votes and became an elected Non-Constituency Member of Parliament.

Dennis is married to Hui Tsing.

Dennis enjoys running and cycling.

He used to participate in running and triathlon races but stopped doing so in recent years due to injuries.
Dennis enjoys reading non-fiction, history, politics and biography.