Jon Lloyd Stryker (born c. 1958) is an American architect, philanthropist, and billionaire heir to the Stryker Corporation medical technology company fortune. As reported by Forbes, Stryker's net worth is estimated at $4.2 billion. Stryker is the founder and president of Arcus Foundation, which primarily supports great ape conservation efforts and LGBT social justice, and has awarded over $500 million in grants. The threatened colobine species Rhinopithecus strykeri is named after him.