Graduating from Hosei University, Chiba was hired by NHK in 2012 as Announcer.
In April 2017, Chiba moved to Tokyo and joined NHK News Ohayō Nippon.
[2] She became one of navigators for this program's "Machikado Jōhōshitsu (Street Information Room)" segment, where she introduced inventions that helped make people's life more convenient.
Chiba is also a main presenter for Sandwichman's Tenshi no Tsukuriwarai aired on NHK Radio 1.
In September 2020, Chiba was moved back to NHK Sendai Branch.