For every scoop of ice cream, he donates a scoop of rice or beans to developing countries all over the world.
"It's not a marketing thing for us. It's just how we operate, and who we are," he said.
It's called social enterprise: a for-profit business that has a second bottom line -- a social mission to benefit a community or the environment.
"We're seeing a large growth in these kinds of organizations," said Cindy Willard with the University of Denver's Impact Finance Center. "I think we’re seeing a blurring of the lines between governments and nonprofits and businesses and who is sort of 'authorized' to make social change."
Willard also said that there has been a generational shift; Millennials expect their businesses to do good, and they invest more in companies that make a difference.
"For a lot of folks, it is a genuine support for the community," said Willard. "We've certainly heard stories of funds being misused or problems being created, but I think that's a much smaller percentage than the upside of things."
Tamburello said that at Adrift, he plans to dedicate a to-be-determined percentage of profits for philanthropic efforts.
"There are places with no resources," he said. "When a doctor can come in and extract teeth, it can save their life."
"My mom always used to say volunteerism is the price you pay for being human. It's just part of your nature," he added.
The remodeled Adrift Tiki Bar & Grill is set to re-open Sept 15.
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