Tatyana Gulludag is a Principal Tax Advisor with extensive experience in international tax planning and advisory. Currently at Woodside Energy since June 2022, Tatyana previously held similar roles at BHP Billiton from May 2015, where responsibilities included managing tax matters for the Americas and planning-related activities as a Tax Specialist. Prior experience includes serving as International Tax Manager at Bristow Group Inc. and Core Laboratories LP, where Tatyana oversaw tax compliance, accounting, and strategic tax planning projects, such as a UK-Canada debt push down transaction and assisting with a merger in Mexico. Tatyana began their career in auditing at Deloitte & Touche, focusing on financial statements for various industries in Russia and Kazakhstan. Educational qualifications include a Master of Science in Accounting from the University of St. Thomas and a Bachelor in International Economics from Almaty University.