David B. Johnston, known by the pseudonym Converge, is a visionary author, humanitarian, and advocate for sustainable human settlements in Uganda. With a deep commitment to improving the lives of vulnerable communities, his work through Uganda Human Settlements and ssauganda.org has touched the hearts of many and provided hope for a brighter future. This author biography delves into the life and work of Converge, showcasing the extraordinary contributions he has made to Uganda and beyond.