Sinjin studied law at the University of Coventry and his Bar Exams at Nottingham Trent. Whilst at Nottingham Trent he worked as a volunteer at the NTU Legal advice centre. Experience he followed up by further employment at Shoosmiths solicitors as a litigation case handler and subsequently as a County Court Advocate for LPC Law.

Sinjin joined Chambers in October 2021, upon successful completion of his pupillage at No. 1 High Pavement where he was supervised by Phil Gibbs. He prosecutes and defends in a variety of matters in both the Crown and Magistrates’ Courts.

Outside the law Sinjin plays cricket and rugby.