- Full Name: Joseph Haule
- Categories: Musicians
- Gender: Male
- Birth Country: Tanzania, United Republic of
- Date of Birth: December 29
Professor Jay is one of the prominent representant of the Bongo Flava Tanzanian Hip-Hop subgenre, which mixes elements from both Western hip hop and the Tanzanian tradition He started rapping in 1994 as a member of the group Hard Blasters and went solo in 2001. He has released number of hits, including "Nikusaidiaje" and "Zali La Mentali (feat Juma Nature)". Other songs released by Professor Jay include "Piga Makofi" and "Yataka Moyo". His first album, "Machozi, Jasho Na Damu," gained instant recognition for which Professor Jay won several awards. Professor Jay, was elected as the Member of Parliament for Mikumi Constituency, Tanzania. The Bongo Flava star sailed through to occupy the seat on the Chadema Party ticket after a tough contest from his counterparts at the Tanzanian elections held on November 23rd, 2015.