J. Alexander Thier is Senior Rule of Law Advisor at the United States Institute of Peace. Prior to joining USIP, Thier was Scholar-in-Residence at Stanford University's Center on Democracy, Development, and the Rule of Law, and a National Fellow at the Hoover Institution. From 2002 to 2004, Thier was legal advisor to Afghanistan's Constitutional and Judicial Reform Commissions in Kabul, where he assisted in the development of a new constitution and judicial system. Thier has also worked as a UN and NGO official in Afghanistan from 1993-1996, as well as in Iraq, Pakistan, and Rwanda. He has written extensively about Afghanistan and is a contributing author of the newly released "Twenty-First Century Peace Operations," edited by William Durch, and was lead project advisor on the PBS documentary, "Afghanistan: Hell of a Nation."