All your MEC officer terms expire next summer. The current chairman indicates he will not run again. The MEC block reps will vote (I think in the spring--forgive me I'm still new...) on the new officers.
You do not get to vote directly for these positions as members. However, you can certainly make your input known. I know there is a certain feeling that your input doesn't matter, but if you are in my block or LEC I will of course take your input and use that in the decision process.
Currently we are discussing getting out and doing more meetings with the membership, and informing everyone about the process and encouraging your involvement will be part of what I want to do. I will certainly discuss this over lunch with folks anytime you want...