Shashi Jayakumar is founder and Executive Director of SJK Geostrategic Advisory, a boutique security and political risk consultancy. Dr Shashi Jayakumar studied history (BA and D.Phil) at Oxford University (1994-2001). He then worked in the Administrative Service of Singapore’s government for several years (2002-2017). Most of his government experience was in the security sector in the Ministry of Defence. He was then posted to think tanks, first, as a secondee from government at the Lee Kuan Yew School of Public Policy, and then as a Senior Fellow at the S. Rajaratnam School of International Studies (RSIS) (2014-2023). At RSIS he held the appointment of Head of the Centre of Excellence for National Security and Executive Coordinator, Future Issues and Technology.

He held these positions until 31 Jul 2023, when he left to start his own consultancy firm. Dr Shashi Jayakumar is founder and Executive Director of SJK Geostrategic Advisory, a boutique security and political risk consultancy. Dr Shashi Jayakumar studied history (BA and D.Phil) at Oxford University (1994-2001). He then worked in the Administrative Service of Singapore’s government for several years (2002-2017).

Most of his government experience was in the security sector in the Ministry of Defence. He was then posted to think tanks, first, as a secondee from government at the Lee Kuan Yew School of Public Policy, and then as a Senior Fellow at the S. Rajaratnam School of International Studies (RSIS) (2014-2023). At RSIS he held the appointment of Head of the Centre of Excellence for National Security and Executive Coordinator, Future Issues and Technology. He held these positions until 31 Jul 2023 when he left to start his own consultancy firm.

His work in government, think tanks and now in the private sector has encompassed a range of issues : geopolitics (and issues concerning the interplay between geopolitics and technology), extremism, disinformation, polarisation, cyber, and the politics and history of Southeast Asia.

Jayakumar briefed National Press Foundation fellows in June 2025: Even Singapore is Dealing with Right-Wing Extremists.