Estejus Birragis, Tax Principal & Head of R&D and Government Incentives, Deloitte Greece Estejus Birragis serves as Tax Principal and Head of R&D and Government Incentives at Deloitte Greece, where he specializes in advising clients on tax strategies, research and development initiatives, and leveraging government incentives for growth. With extensive experience in navigating complex tax frameworks, Estejus plays a pivotal role in helping businesses optimize their financial planning through innovative solutions and strategic use of recovery funds. He is a trusted advisor to multinational corporations across various sectors and is a frequent speaker on tax and economic recovery programs. Janis Antonopoulos, Tax, Customs, and Incentives Director, Mytilineos Group Janis Antonopoulos is the Tax, Customs, and Incentives Director at Mytilineos Group, a leading industrial and energy multinational. He is responsible for overseeing the company’s tax compliance, customs operations, and maximizing incentives related to economic recovery and development. With a deep understanding of both national and international tax policies, Janis helps Mytilineos navigate regulatory challenges and capitalize on available funding opportunities. His leadership ensures the company’s strategic alignment with evolving financial and governmental regulations, promoting sustainable growth.