I found two links, given below:
Does the TWG Director position still exist? The last appointment to the position is outlined earlier this year in thread 7780. Does the director still have the powers outlined in list item e) of the older thread 5693?
e) Technical Working Group (TWG) leader: Bob at this point. Override authority on any decisions made by anyone level d) and lower, override should be applied rarely. Cannot be a Technical leader for a domain. Can create, merge or remove domains. Answers to the SGB and can be overruled by SGB. Appointed by SGB.