Derek is a published writer of journal and newspaper articles. This is his first book. He was a teacher for twelve years. Currently, he coaches golf and researches head injuries and their accompany...mehr sehenDerek is a published writer of journal and newspaper articles. This is his first book. He was a teacher for twelve years. Currently, he coaches golf and researches head injuries and their accompanying neurological deficits. He is a reformed father who enjoys golfing and spending time with his wife and children when not working.weniger sehen