Answer:
creative
Explanation:
He could either be a humble, extroverted, born or creative leader. From these options the most intuitive answer would be that he is a creative leader given that he has introduced "breakthrough technologies" in the companies products which would only be possible through a great amount of initiative and creativity.
The term "breakthrough technologies" is the key word in answering this question as it refers to innovation that has never been seen before. Thus, it would require a great deal of creativity to think of and successfully introduce and implement into a company.