Alonso is responsible for both B2C and B2B segments at Rakuten Travel. He leads the integration of Rakuten's travel businesses, connecting consumer and wholesale channels under a unified, group-wide commercial strategy.

Rakuten Travel is the largest online travel agency in Japan, with more than 40,000 directly contracted hotels & ryokans; having a differentiated base of proprietary content. Rakuten Travel Xchange (RTX), the group's B2B hotel wholesale platform, distributes this supply to OTAs, travel agents, and corporate buyers worldwide.