I really like this guy's videos. He explains things as simply and practically as they need to be so that there's no confusion about anything.
Makes me think Te lead maybe?
This is from Sociotype.com - http://www.sociotype.com/socionics/i...on_elements/Te
Sounds a lot like him.Extroverted logic as base function is manifested as a need to accumulate factual information, also from external sources such as books, second-hand information, etc, on matters of personal interest or of professional activity. This also gives these types confidence on being well-informed on the same matters, which enables them to enter arguments related to them with confidence on their knowledge, which may come across as arrogance to others. Another manifestation is an evaluation of external reality - work activities, world events, finances, procedures, personal relationships, conversations - from the point of view of factual accuracy and "making sense" and efficiency. It leads to an inclination to be proactive in increasing the efficiency and reasonableness of the external world, as well as a sense of self-worth connected on being involved and productive in activities seen as useful, profitable, or that increase one's knowledge base. To give out information that the individual knows not to be factually accurate is disturbing and avoided as much as possible.