As part of TakePart’s “Re-Visionaries” series, we are highlighting people who are shaking things up—and making a difference—in their field and community. It’s up to you to decide which of the 10 entrepreneurs highlighted below should receive a $5,000 grand prize, in addition to the $500 we’re giving each finalist to help accelerate his or her cause. You can vote once a day from March 8 to 22. Voting is now closed and we'll be announcing the winner on March 31. Thanks for voting!