Complex sentence: Baltacha is currently a physical education teacher and tutor at Bacon's College in South East London, having formerly been a physical education teacher at Geoffrey Chaucer Technology College (Old Kent Road, London) and a coach at the Charlton Athletic academy.
Split into simpler sentences: Baltacha is currently a physical education teacher and tutor at Bacon's College in South East London. He was also formerly a physical education teacher at Geoffrey Chaucer Technology College (Old Kent Road, London) and a coach at the Charlton Athletic academy.