Ela Madej

Founding Partner

Serial tech entrepreneur, impact investor and Y Combinator alum. Founder of Impact.tech -- a community of techies who want to combine purpose with profit.

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Seth Bannon

Founding Partner

Social entrepreneur. Impact investor. Founder of Amicus and Impact.tech. Y Combinator alum. Forbes 30 Under 30 for social entrepreneurship.

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Ela and Seth are great at bringing operational efficiency to our company, including both managing tasks and team motivation. They’re able to do such a good job because they’ve walked the journey and built great companies.
— Harry Gandhi, Co-founder & CEO, Medella Health


Fifty Years supports the impact.tech community of techies who want to combine purpose & profit by building or working for #worldpositive companies.

Impact.tech exists to inspire and educate more people to start, work for, and fund companies that are using business to solve the world's biggest problems.

The impact.tech team runs monthly events in San Francisco with the goal of exploring all the areas of business activity in which tech entrepreneurship can solve big social and environmental problems. In fact, the best place to talk to the Fifty Years team are these impact.tech events!