Denis grew up in a rural village, where his father is a local chief, and after completing secondary school, became and escort driver for an NGO delivering relief supplies to Southern Sudan. After four years, he decided to pursue a childhood interest in wildlife, and became a driver/guide. Through a combination of on-the-job and formal training courses with the Queen Elizabeth Bird Observatory and Bird Life International, Denis has gained extensive knowledge as a general interest Tour Guide with a specialty in birding. He has worked as a driver/guide for the past 12 years and is a member of the Uganda Driver/Guide Association and the Uganda Birdwatching Society. In his spare time, Denis loves to read and watch wildlife documentaries.