1. Setting the agenda
2. Deciding the number of ministers and departments
3. Deciding if referrals for executive reviews are valid and if those issues should result in wider debate
4. Holding casting vote in urgent decisions to be made outside normal executive committee meeting
5. Commanding, as the leaders of the two largest parties, a majority of MLAs together, which may aid the passage if their specific legislative programmes
6. Taking the lead role in drawing up both programme for government and the relevant budget. Implications for other ministers and how they relate to the first minister and deputy first minister
7. Attracting the focus of the media, which increases their standing (rather like the uk prime minister)
8. Taking the lead role in overseas negotiations and relations, including trade