Lam was born in Malakal, South Sudan and lived in South Sudan, North Sudan & Egypt before arriving to Australia in 2000. Prior to commencing theological studies, he worked as a teacher in Egypt in various private schools and educational centres. Lam completed his theological studies in 2018 at the Presbyterian Theological College. He is an avid reader and has a passion for evangelism. Lam is married to Rebecca and together they have 5 children from preschool to secondary age.