- List A - Mr. Herman Constant Dazan (Benin)
- List B - Mr. Jishun CUI (China)
- List C - H.E. Karla Samayoa Recari (Guatemala)*
- List D - Ms. Hannah Laubenthal (Germany)
- List E - Mr. Evgeny Vakulenko (Russian Federation)
^ Vacant from 11 August 2018. Previously Ms. Wajiha Khan (Pakistan) up to 10 August 2018.
* From 18 June 2018. Previously Ms. Maria Fernanda Silva (Argentina) up to 29 April 2018 | Alternate: Ms. Mónica Fonseca Jaramillo (Colombia) up to 17 June 2018.