He served as Chief of Staff and Deputy Special Representative of the Secretary-General with the United Nations Mission of Support to East Timor (UNMISET) from June 2002 until its completion in May 2005.
[3] On 1 June 2011 UN Secretary-General Ban Ki-moon appointed Khare to spearhead efforts to implement a reform agenda aimed at streamlining and improving the efficiency of the world body.
[4][5] Khare, led the Change Management Team (CMT) at the UN, working with both departments and offices within the Secretariat and with other bodies in the UN system and the 193 member states.
The CMT was tasked with guiding the implementation of a reform agenda at the UN that started with the devising of a wide-ranging plan to streamline activities, increase accountability and ensure the organization is more effective and efficient in delivering its many mandates.
[7] In early 2017, UN Secretary-General António Guterres appointed Khare to the 9-member High-Level Task Force to Improve the United Nations Approach for Preventing and Addressing Sexual Abuse.