Abbas is Quaid-i-Azam Professor at SIPA, Columbia University. He is also a senior advisor at the Belfer Center for Science and International Affairs at the Kennedy School of Government, Harvard University, and a Bernard Schwartz Fellow at the Asia Society in New York. Abbas has also been a visiting fellow at the Islamic Legal Studies Program at Harvard Law School and a visiting scholar at Harvard Law School’s Program on Negotiation. Prior to his academic career, Abbas served as a government official in the administrations of Prime Minister Benazir Bhutto and President Pervez Musharraf. While in the Police Service of Pakistan in the late 1990s, he served in the North-West Frontier Province (now Khyber Pukhtunkhwa).