After graduating from high school and doing his two years of compulsory military service, he happened to get hired as assistant cameraman at an advertising company. He started attending cinematography courses at a documentary workshop during his spare time, and that proved to be the first step toward his career in film.
退伍後，偶然的機緣到傳播公司擔任攝影助理，並於空閒時間到紀錄片工作室上電影課程，董振良於是開始他的電影人生。