Tunku Zain began his career in public service holding positions at the
Houses of Parliament and various think tanks in
London before relocating to
Washington, D.C., to work as a public sector consultant for the
World Bank. In 2006, while still in London, he co-founded the Malaysian Think Tank with his friends
Wan Saiful Wan Jan and Wan Mohd Firdaus Wan Mohd Fuaad. The organisation was created to promote classical liberal ideas in Malaysia and eventually evolved into the IDEAS after being relocated to Kuala Lumpur in 2009. Beyond this, he has been a key figure in the development of ICAN College since 2012 and, Tunku Zain was appointed pro-chancellor of
UCSI University in 2021, a role in which he made notable contributions to the development of its Bangladesh branch campus and helped expand the university’s international research collaborations through various overseas initiatives. In April that same year, he and his brother, Tunku Ali Redhauddin, collaborated with The 10 Ringgit Project to support B40 families in Negeri Sembilan, raising funds through Yayasan Munarah to provide essential aid. As chairman of General Assembly Malaysia, Tunku Zain also spearheaded the MySTEP Programme 2021, which aimed to equip unemployed Malaysians with digital skills to enhance their employability during the
COVID-19 lockdown. Since 2023, he has served as advisor to the UCSI Group. == Personal life ==