Shizuka is a Research Associate at the US Studies Centre, working with Dr Michael J. Green, the CEO of the Centre.

Currently, Shizuka is pursuing a PhD at the University of Sydney. Her research focuses on minilateral and multilateral cooperation in the Indo-Pacific.

Shizuka holds a Master of International Relations from the University of Sydney and a BA in International Liberal Studies from Waseda University, Tokyo, Japan. She completed a study program in Siena, Italy.