Business Development is a mysterious title for a little discussed function or department in most larger companies. It's also a great way for an entrepreneur or small business to have fun, create value and make money.
Good business development allows businesses to profit by doing something that is tangential to their core mission. Sometimes the profit is so good, it becomes part of their core mission, other times it supports the brand and sometimes it just makes money. And often it's a little guy who can be flexible enough to make things happen.
Examples:
Starbucks licenses their name to a maker of ice cream and generates millions in royalties.
A rack jobber like Handleman does a deal with a mass marketer like K Mart. K Mart gives them room in the store to sell records and gets a cut, Handleman does all the work.
AOL buys AIM instant messaging software and integrates it into their service.
Years ago, I licensed the rights to Isaac Asimov's Robot novels from a business development person at his publisher and turned the books into a VCR murder mystery game which
"The thing that makes business development fascinating is that the best deals have never been done before. There's no template, no cookie cutter grind it out approach to making it work. This is why most organizations are so astonishingly bad at it. They don't have the confidence to make decisions or believe they have the ability to make mistakes."