I am a professor and write on matters of law and ethics for a living.  But what is really fun to me is to write fiction -- I still do research,  yes,  but I love not being tied to the details of the actual world!  My main interest is mystery as art and as a way of trying to gain a little insight into life.
Beyond the requirements of work,  I read mystery,  history,  politics and some general fiction.  Simple children's stories appeal to me and are very important,  I believe,  and I have tried my hand at that.  But my main goal is to develop an interesting series of mysteries -- reality-based mysteries,  not comedic attempts,  not chatty and certainly not preachy.