Final answer:
Emma Clark is the most recent FFA member from Tennessee to serve as a National FFA Officer, holding the position of National President during the 2021-2022 term.
Step-by-step explanation:
The most recent FFA member to represent Tennessee (TN) as a National FFA Officer is Emma Clark, who served as the National President for the 2021-2022 term. This information is current as of my knowledge cutoff in 2023, and students looking for updated information should consult the latest records from the National FFA Organization.