Sergei has been in a relationship with a lady named Joey since 2014. According to Blurred reality, she is a pastry chef and worked at The Lark Santa Barbara, where her boyfriend worked from 2017 to 2019.
Before that, she worked as a baker for four and half years at SAMA SAMA, two at Bacara Resort & Spa, and four and a half years at Ojai Valley Inn & Spa. She often appears on the chef’s Ig handle.