A little presumptuous, maybe?
I think you must have misunderstood. Huinter has been elected to several 2 year terms as Chairman of the Committee. Under the rules, the current term is the last one he can be elected to, and he is now about to finish that term. His only 'presumption' is to presume that he will be alive for the next 2 months, and will not resign or be removed as chairman before Christmas. Not all that presumptious.