After working at a company within the NTT DOCOMO Group, Hiroya joined GREE, Inc., where he conducted legal reviews in the Quality Management Department and was involved in new project development and management as a planner in the gaming business. He later moved to the digital advertising division, managing digital advertising campaigns, SSP monetization, and monthly revenues of several hundred million yen. He subsequently joined Unity Technologies Japan, a global IT company, where he led revenue optimization initiatives generating tens of millions of yen per month and oversaw the onboarding of major clients. Leveraging his multifaceted perspective and strong problem-solving capabilities, Hiroya joined GESHER, Inc. in July 2026.