American entrepreneur best known as the founder and CEO of the sportswear company Under Armour. He has been included on Forbes' annual 40 Under 40 list and had a net worth estimated at $3.5 billion as of 2015.
He was born in Kensington, Maryland and played football at Fork Union Military Academy. He later attended the University of Maryland, where he was special teams captain of the school's football team.
In 2014, he donated $25 million to the University of Maryland for the development of an athletic and academic complex.
He married Desiree Guerzon in 2003 and has a son named Kevin and daughter named Katherine.
His Under Armour brand has endorsed some of America's top athletes, including quarterback Tom Brady.