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Instructions for chairs

The chair’s mission is to ensure a stimulating atmosphere in order to maintain the energy level in each panel. The chair should clearly show the interest in the papers presented and encourage the conference participants to take part in discussions and debates.


  • Chairs are advised to review the most updated version of the program just before the chaired session. This will ensure that the chairs are aware of the latest list of presenters within the session, as there might be last-minute cancellations. Online program will be updated in real time. Program link:

  • Chairs should introduce themselves to the presenters in advance of the session and inform them of the need for starting and finishing on time. If there is any question as to the proper pronunciation of the presenter’s name the chair should clarify with the presenter at this time. Chairs are responsible for determining that the speakers are present at the time of their talk.

  • Chairs should introduce themselves and the theme of the panel. This introduction should take no more than 2-3 minutes.

  • All talks should begin on time. The chair should not allow the speaker to begin early as this may mean that a portion of the audience planning to attend the talk may miss the beginning of the presentation.

  • Chairs should introduce each speaker giving their name, affiliation, and title of the presentation. Chairs should not take up presenter’s time with unnecessary comments or other remarks beyond the simple introduction.

  • Chairs are responsible for keeping the presenter on time. A speaker timer will be available in major rooms only (Alfa, Beta, Zeta and Theta). If you chairing in other room, please use a digital timer on your smartphone. Politely interrupt the speaker if required to enforce the time limit. 

  • Chairs should allot each presenter a maximum of 20-25 minutes for the presentation.

  • Chairs should decide whether to conduct the Questions/Answers segment after each presentation or at the conclusion of the session, based on their preference and the session’s dynamics.

  • If the panel has less than 3 or 4 presenters, it means the chair can decide to either have more time for discussion or to finish the session earlier.

  • Chairs should ask questioners to give name and where from

  • Chairs should control the flow of questions.