Miami Dolphins owner Stephen Ross pledged an additional $13 million over four years to his anti-racism RISE initiative, the organization said Friday.

The Ross Initiative in Sports for Equality was established five years ago to promote unity and combat systemic racism. RISE says it has helped 12,000 students, athletes, coaches and staff at all levels to help champion social justice and improve race relations.

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Ross has now committed $30 million to RISE.

“Growing up in Detroit, I saw firsthand what racism did to tear apart our community, destroy lives and further inequality,” Ross said in a statement. “I started RISE based on the belief that our nation must address the scourge of racism directly to achieve true unity. Now more than ever, our mission and the need for this work is clear.”

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RISE says that over the next four years it will continue to work with such organizations as NASCAR, PGA of America, the United States Tennis Association, USA Track and Field. the National Lacrosse League and the Professional Women’s Hockey Players Association.