Youngmi Oh was admitted in New South Wales, Australia in 2016 and worked at two law firms in Sydney handling transactions and litigations in the areas of real estate, employment law, intellectual property, compensation, corporate law, succession, and trust. In 2019, she moved to Daewoo Shipbuilding & Marine Engineering Co., Ltd. where she worked on international transactions, offshore projects, EPC, disposal of foreign subsidiary/asset, JV, trade secrets, claims, and arbitration.