It's not often that NBA players get involved in the ownership of professional basketball teams while in their playing days, ...

Isaiah Hartenstein is a professional ... of Germany and the United States, Hartenstein is believed to have German-American lineage. His father, Florian Hartenstien, is a German-American basketball ...

Oklahoma City Thunder center Isaiah Hartenstein is investing in his home country, becoming a part-owner of Ratiopharm Ulm — a ...