Bryan EUN SUNG CHANG is an experienced professional in internal audit and finance, currently serving as the Internal Audit Team Leader at Viva Republica (Toss) since September 2023. Previously, Bryan held the position of Head of Internal Audit at HANDOK from February 2021 to August 2023 and was the CFO at HAEZOOM from August 2018 to October 2020. Bryan's extensive auditing background includes a directorship at Deloitte, where responsibilities encompassed enterprise risk services for global firms like GE and Nike, as well as a 5-year tenure at Samsung Electronics focusing on global audit and internal controls. Bryan's academic qualifications include a Master of Laws from Indiana University Bloomington and a Bachelor of Business Administration from Sungkyunkwan University.