Leika specializes in human rights law and community organising. She studied for her Bachelor in Law at Waseda University, and then was awarded the Ambassadorial Scholarship by Rotary Foundation which allowed her to complete a Masters in Law in 2011 at Utrech University, in the Netherlands. She has had a range of professional experiences in Japan, the USA and England, where she was trained in community organising by an organization called Citizens UK. Before collaborating with WORKSHOP architecture, she was working for FTI Consulting and Orrick regarding several litigation cases in San Francisco. Leika’s title during the project was Community Organizer and Researcher; her role was to integrate with the local people, and find ways in which they could take part in the development and construction of the school.