Stobie holds the degrees of Bachelor of Laws and Bachelor of Science from the University of Adelaide. He has been a lawyer since 1990 and was called to the Queensland Bar in 2000. Stobie has practised in civil litigation in all of the major Queensland Courts and Tribunals. The larger part of his practice involves claims for personal injury, in which he has experience for a wide range of clients and to appellate level. He is a contributor to the Personal Injury Manual Queensland (Thomson Lawbook Co).