Grishin was born in Ishim, Tyumen Oblast, and became a boxing coach in Omsk.[1]
Grishin served as the head of an X-ray subdivision of MSCH-65 from 1978 to 1987.[3] In 1982, He served as a senior boxing coach in Ulyanovsk.[3] Grishin then served as a senior boxing coach at the Sports School of Dimitrovgrad from 1987 to 1992.[3] He also served as a member of the coaching team for national teams.[3] Grishin served as the director at the Dimitrovgrad Olympic Reserve Boxing School from 1992 to 2015, in which in 2003 the building was named after him.[3]
Grishin was honored with medals, such as, Honored Coach of the RSFSR and USSR and Medal of the Order "For Merit to the Fatherland".[4] He was honored as an honorary citizen in Dimitrovgrad.[2] Grishin was also honored with the degree called "Medal of the Order for Merit for the Fatherland, II" in 1999.[5] He was honored as an honorary citizen in Ulyanovsk in 2002.[6]
Grishin died in May 2022 in Dimitrovgrad, at the age of 81.[2]