He won a gold medal in the 4×400 meter relay and an individual silver in the 400 m, both at the 1971 Pan American Games and at the 1976 Olympics.

He was director of public affairs for Valero Energy and served as the assistant treasurer of the Prairie View A&M Foundation.

[1] In his life, Newhouse had volunteered for the boards of directors for United States Olympic Committee and USA Track and Field.

While being a part of Prairie View A&M, Newhouse became a three-time All-American and National Champion in the sport Track and Field.

By 2000, Newhouse was appointed team leader for the United States Men's Track and Field squad going to the Olympic Games in Sydney, Australia.