Is it possible to qualify for a TN Visa, for a position which duties match those listed under the list of TN jobs, but the psoition is management/supervisory in nature?
Yes, but your supervisory duties would best be down-played in the TN letter.
After 20 years, I am severely cutting back on responses. Do not ask specifically for my help. There are a few others on this board that can answer most questions. All the best
In my experience, it depends on which port/officer you speak to as to whether managers/supervisors qualify. I would check with the port of entry you expect to use what the local take is on the situation.