These among leadership tips (from an excellent past national association president) ...
1. Be prepared. There's no excuse for anyone becoming president and saying "I'm not really sure what I'm supposed to be doing". Read everything. It's the small print in the filed reports that you need to really notice.
2. Be humble. When leaders start to believe in their own greatness they're going to lose focus on who they should be serving. And may believe they don't have rules. They do (watch the recent news). Communicate with those you know will be honest with you, and be humble.
3. Be a part of a leadership team. If it's not formal, make it formal. Is power with one (president), or more than one? If you can't sell three or four others on an idea, how will you sell the members? Are they empowered to make decisions that may need to be made quickly?