Jang-hoon HAN graduated from the same school's law school as the Department of Economics at Seoul National University and completed the big data fintech course at the same school's Big Data Science Graduate School. After passing the bar exam, I joined the law firm Lynn in 2022 after passing the law firm The Kim Law Firm. He has been conducting corporate advisory work centered on intellectual property fields such as blockchain and fintech, and has gained various experiences in litigation, including being acquitted for evidence of illegal collection in criminal cases.