Ms. Yan Zhang has been working at the UNECE since 2009 and at the United Nations Office at Geneva (UNOG) from 2002 to 2009.

Ms. Zhang started her career at the UN through the National Competitive Examinations (NCE) organized by the United Nations in 2001. Ms. Zhang is currently working on programmes on trade facilitation and electronic business, especially in charge of UN/LOCODE and support to the United Nations Centre on Trade Facilitation and Electronic Business (UN/CEFACT).

Ms. Zhang was appointed as convenor of ISO/TC 154/JWG 1 in 2017.