Lien is CEO of the National Volunteer and Philanthropy Centre, and an active champion of the non-profit sector in Singapore. In 2012, he successfully co-organised the inaugural Philanthropy in Asia Summit in Singapore, which saw 59 prominent speakers, including two past presidents: Singapore's SR Nathan and East Timor's José Ramos-Horta. An Oxford graduate, he chairs the Lien Foundation, a charitable arm started by his family in 1980. Under his leadership, the foundation has taken a radical approach towards tackling end-of-life issues, as well as water and sanitation problems in Asia. In February 2012, it launched the world premiere of a documentary Life Before Death, aimed at raising public awareness of untreated pain. The Lien family was ranked 18th by Forbes on its 2012 list of Singapore's 40 Richest, with a net worth of US$985 million. Lien is also a vocal Nominated Member of Parliament, calling for social review in his maiden parliamentary speech last year.