Micah attended the Papua New Guinea University of Technology, where he studied accountancy[1] and served as president of the National Union of Students.
[4] Micah chaired the Constitutional Law Reform Commission in 1996 and subsequently played a significant role in the reforming the provincial government system,[5] which was eventually abolished.
[7] In June 2014, Micah became leader of the People's Progress Party, taking over from Julius Chan.
[8][9] Micah was unseated by Ian Ling-Stuckey in the 2017 Papua New Guinean general election, losing his Kavieng Open Seat.
[12] After his career in politics ended, Micah was involved in promoting boxing.