The duo last season forged a successful partnership at Hearts of Oak but Yatsuhashi mutually terminated his contract with the Phobians before the start of the second round of the season.
Preko followed the charismatic japanese out of the club three weeks ago, citing personal reasons for his departure after a short stint in an acting role.
A statement issued by Ifeanyi Ubah on the appointment of Yatsuhashi and Preko reads:
"Management is pleased to announce the appointment of Kenichi Yatsuhashi, a Japanese-American and former Head Coach of Accra Hearts of Oak as the new Head Coach of FC Ifeanyi Ubah. He holds a USSFA and National Youth Coaching licence, a CONCACAF Internatonal Coaching licence, an NSCAA Goalkeeping Diploma and a KNBV Advanced Diploma, IFA GK Certificate and FIFA and FIFA/AFC Grassroots Certificate.
"Management is also pleased to announce the appointment of Mr Yaw Preko as the new Assistant Coach/Physical trainer of the Club. Yaw Preko joins Fc Ifeanyi Ubah from Accra Hearts of Oak where he was acting Head Coach. Yaw Preko is also currently the Acting Head Coach of Ghana’s national Team (Black Stars of Ghana) and a former top striker in Turkish football club, Fenerbahce S.K."
They will be unveiled on November 16 in Nigeria, it is reported that Preko would be earning a US$ 6,000-a-month salary.