April 2007：Joined OPT, Inc.
January 2010： Head of Mobile Planning Development Department, OPT,Inc.
September 2014：Groover, Inc. ,CEO
April 2018： Head of Business Development Department, OPT, Inc.
April 2019： Head of Brand Solution Development Department, OPT, Inc.
April 2021：Executive Officer, OPT, Inc.
April 2022：Group Strategy Department, Digital Holdings,Inc., & Director, OPT, Inc.
April 2023： Head of Business Management Department, Digital Holdings,Inc., & Director, OPT, Inc.
April 2024： Executive Officer(VP), Digital Holdings,Inc., (current position)