After leaving the Singapore Armed Forces (SAF), Kuek had served as Permanent Secretary for Environment and Water Resource between 2010 and 2012, and the president and chief executive officer of the SMRT Corporation between 2012 and 2018.

He moved on to join UBS AG as Divisional Vice Chairman in Global Wealth Management and headed their Sustainable Finance office.

[citation needed] On 1 October 2012, Kuek was appointed President and Group CEO of SMRT Corporation,[9][10] a transport company providing rail, bus, and taxi services.

[14] Tan wrote: "But even though his tenure was marred by incidents such as track deaths and tunnel flooding, he was part of the team – along with SMRT Trains chief Lee Ling Wee – which rebuilt the reliability of the North-South and East-West lines.

The Circle Line, which is likewise operated by SMRT, also posted a tenfold improvement in reliability over the same period to 1.8 million train-km between delays.

Tan headed the Singapore Armed Forces' Centre for Leadership Development while Ang served as commander of the SAF Commando Training Institute.

Genium's principal activities are in organisational transformation, strategy execution, crisis leadership, experiential learning and performance excellence.

[15] Kuek joined Swiss investment bank UBS on 18 February 2019 as its Singapore-based divisional vice-chairman for global wealth management.