Mr. Hyunsang Park is a partner at ClassHankyul. Mr. Park is an expert criminal attorney that mainly handles major criminal cases. In addition, as an attorney with a major in engineering, Mr. Park also handles litigation and consultations regarding intellectual property rights, real estate, and construction. As an attorney with a background in engineering, Mr. Park also has extensive experience with digital forensics as a result of experience with criminal cases involving evidence extracted from computers and cellphones. In particular, Mr. Park has the ability to conduct detailed examinations of the details and significance of hash values, etc., with respect to evidence that was extracted from digital devices in criminal cases, thereby allowing Mr. Park to make detailed arguments on the probative value of such submitted evidence.