Zbigniew Grzegorzewski
- 1948 – born hearing in a Deaf family
- Physical Education graduate, PE Teacher, Head of Sports and Tourism Department of the Polish Association of the Deaf (PZG)
- late 1970s – took part in a TV Quiz, participants were to guess what his (sign language interpreter’s) job was, Polish TV (TVP) got interested in doing signed broadcasts
- 1982-2015 – regular Manually Coded Polish interpreter on TVP, picked by PZG
- since 2015 – interpreting only sports shows and soap operas (news and current affairs on TVP were taken over by natural Polish Sign Language (PJM) interpreters)