All MARP roles and their responsibilities can be found here:
http://marp.retrogames.com/rules/election.htm
Here are the "job descriptions" for the three positions...
D. Regulation Coordinator:
1. There is one regulation coordinator elected.
2. Length of term: One year
3. How to get in: By majority vote in the general election.
4. How to get out: Losing in the general election or achieving a 2/3 vote of all editors or the general public, depending on which medium the coordinator was impeached. The impeached coordinator's vote does not count. Resigning two weeks in advance.
5. Any editor may be a regulation coordinator. A regulation coordinator may not be a tournament or knockout coordinator.
6. Rights
a. Can extend any particular vote from the default of seven days for any good reason.
b. Can reduce the length or reject any particular vote from the default of seven days for any good reason. However, this decision can be overruled by a 2/3 vote from the general public.
7. Responsibilities
a. Must maintain the regulation rules web page when necessary. Must report the update to the assistant and main web page maintainers.
b. Must enforce the voting of any relevant regulation votes.
E. Knockout (MAME Championship) Coordinators:
1. There are three knockout coordinators elected.
2. Length of term: One year
3. How to get in: By majority vote in the general election. Whoever achieves the most votes is the Knockout Chairman.
4. How to get out: By losing in the general election. Resigning two weeks in advance.
5. Up to one editor may be a knockout coordinator. A knockout coordinator may not be a regulation or tournament coordinator.
6. Rights:
a. Can choose any game for any round at any point. They may change the game before it is announced, but cannot change the game unless agreed to by a 2/3 vote from the general public after the game is announced.
b. Can choose any format for the MAME Championships at any point before the tournament begins. They can only change the format after a tournament begins by a 2/3 vote from the general public.
7. Responsibilities to choose games for the upcoming knockout tournament:
a. Must enforce the rules of the MAME Championships at all times.
b. Must attempt to advertise the MAME Championships before and after the tournament.
c. (Knockout Chairman Only) Must organize at least one public meeting before the tournament and run those meetings unless he designates another coordinator to do this job.
F. Tournament Coordinator:
1. There is one tournament coordinator elected.
2. Length of term: One year
3. How to get in: By majority vote in the general election.
4. How to get out: By losing in the general election. Resigning two weeks in advance.
5. An editor may be a tournament coordinator. A tournament coordinator may not be a knockout or regulation coordinator.
6. Rights
a. May reject a game for the tournament for any good reason.
b. May choose the final x games of the tournament at any point up to seven days in advance of the beginning of the tournament. He may change the games after this point only by a 2/3 vote from the general public.
c. May set any rule for the tournament as long as the spirit of the tournament remains intact up to seven days in advance of the beginning of the tournament. He may change rules after this point only by a 2/3 vote from the general public.
d. Must organize at least one public meeting before the tournament and run that meeting.
7. Responsibilities:
a. Must enforce the rules of the tournament at all times.
b. Must attempt to advertise the tournament before and after the tournament.