Write about people s background

This is the background of Mr. Smith. His name is Simon. He was born in England on December 9th, 1968. He used to study at Oxford University. He exams passed in chemistry, physics and applied biology. He interested in doing research and discovering new things. He worked as a teaching assistant from 1th of December in 1992 to 28th of January in 1994, then he quit his job and start a new job, it's Scientist. He did that job from 2nd of January in 1996 up to now.