Professor Ogaya studies on Overseas Filipino Workers and migrant domestic workers; gender analysis of overseas employment policy of the Philippines; identities and experiences of Japanese Filipino Children and Youth. Her recent publication includes; “Transnational Citizenship of Japanese-Filipino Children: Dynamics of Identity Constructions and the Role of the Support NGOs” in Quilted Sightings :A Women and Gender Studies Reader: Special Issue on Migration 2012, Living in Motion: Filipino Migrant Women and their Multiple Mobilities, Tokyo:Yushindo, 2016 (in Japanese).