Partnering with John Village Automotive Boss entered the Formula Vauxhall Winter Series in Great Britain.

While Matt Plumb dominated the season Boss finished in the runner-up position.

After consistent top ten finishes he was again classified thirteenth in the final standings.

For 2002 Peter Boss returned to Europe to continue his racing career with his old team John Village Automotive.

At Pergusa the American finished behind Nicky Pastorelli and race winner Augusto Farfus.

Together with his teammate, Hugh Plumb, Boss competed in five ALMS races.

Peter Boss holds a bachelor's degree in history of St. Lawrence University.

[4] As of 2010 Boss is employed by WhaleRock Point Partners, a wealth management firm.