Open House Group Co., Ltd. announced the personnel changes in subsidiary company, Open House Real Estate Investment Advisors Corporation. Based on the resolution of the company's board of directors, the changes has decided that resignation of Koji Sakamoto as President and CEO. And appointment of Tsugumasa Sekiguchi as President and CEO of the company both effective July 1, 2024.

Career Summary of Tsugumasa Sekiguchi is as follows: April 1991-Credit Saison Co.,Ltd.; October 1994- Seconded to Atrium Co., Ltd. (transferred on October 15, 1999); May 2005- Director, Atrium Debt Collection Service Co., Ltd.; May 2006- Director, Atrium Co., Ltd. (now Atrium Realty Co., Ltd.); June 2006- Auditor, Atrium Debt Collection Service Co., Ltd.; February 2007 Director, A.I.C. Co.,Ltd; December 2007- Director and Auditor, A.M.Fund Management Co.,Ltd; May 2009- Seconded to Atrium Debt Collection Service Co., Ltd.; August 2010- President and Representative Director, BLUE OCEAN REALTY Co.,Ltd; July 2012- President and Representative Director, OH Real Estate Management Co.,Ltd; April 2015- President and Representative Director, ARK Asset Management Corp.; August 2021- Advisor, Open House Real Estate Co., Ltd.