WESTERVILLE, Ohio — The National Ground Water Association (NGWA) announced the 2015 Groundwater Expo H2O Talk will be given by Ryan’s Well Foundation Founder Ryan Hreljac, according to a press release.

Hreljac’s presentation titled, “Thinking Big at the Age of Six — How One of Tomorrow’s Leaders is Changing the World Today,” will be held Dec. 16, stated the release.

His organization has helped raise millions of dollars toward supplying clean water to over 836,000 people in 16 developing nations worldwide, continued the release.

Hreljac, 24 years old, has dined with Prince Edward at Buckingham Palace, laid a wreath with Prince Charles, appeared on The Oprah Winfrey Show, attended church with Queen Elizabeth, received communion from the late Pope John Paul II and has collaborated for years with Dr. Jane Goodall, reported the release.

The presentation will discuss “how the dream of a six-year-old boy turned into a 15-year-old registered charity,” bringing sanitation, safe water and hygiene education to people in the Caribbean, Africa and India, noted the release.

Read the entire release here.