Complex sentence: In addition to working in politics, Stubbs is a qualified Primary School teacher and has also managed in the NHS, ran a project for young people in a deprived area of the Midlands and been a young people's mentor.
Split into simpler sentences: In addition to working in politics, Stubbs is a qualified Primary School teacher and has also managed in the NHS. He ran a project for young people in a deprived area of the Midlands and has also been a young people's mentor.