Who serves as the National TSA President for the 2018-2019 term?

The correct answer is Mr. Alexander King. He served as the National TSA President for the 2018-2019 term, leading an organization that focuses on enhancing students' educational experiences in technology and related fields. During his tenure, he was involved in various initiatives aimed at improving the organization's outreach, educational programs, and competitions, thus contributing significantly to the growth and visibility of the Technology Student Association (TSA) on a national level.

The other options listed represent individuals who might have been associated with TSA in various roles or years, but only Mr. Alexander King held the specific title of National President during the listed term, which is what makes this answer accurate and relevant for understanding the leadership structure of the TSA during that period.