Analytical learners crave facts. Give them lots of documentation, testimonials, and statistics to make your pints. Bottom-liners want their directions short and sweet. Cut to the chase with summaries and capsules, and they'll make their decision just as quickly. Amiables value relationships most.
Good communications offer something for everyone.
A proposal should also have a cover letter that very briefly summarizes the above. Like others, wealthy donors give because they believe in worthwhile causes. But they also believe that they have a responsibility to share their good fortune. Work out a relationship with your local labor union . Unions and union members donate time, money and materials to charity.