From 1992 until 1994, Mao worked as an associate attorney in the offices of Kabugo and Company Advocates, a Kampala-based law firm. Between 1994 and 1996, he worked as a legal counsel for the Legal Aid Project of the Uganda Law Society in their Gulu office.
From 1992 to 1994, Mao served as a junior attorney in the offices of Kabugo and Company Advocates, a Kampala-based law firm. Between 1994 and 1996, he worked as a legal advisor for the Legal Aid Project of the Uganda Law Society in their Gulu office.