Otti is best remembered as one of the most successful coaches in Ugandan football and led all giant clubs in Ugandan Football that include Express, SC Villa and KCC FC to multiple titles, and was successful both with attacking and defensive tactics. His career began in the 1960s, playing for Bitumastic and the Uganda Cranes (the national team of Uganda), including the 1968 African Cup of Nations. He began his coaching career in 1973.