In 2006, he sold his interest in Thayer, which was renamed Nex-Tech Aerospace, and became president of Sentry International, an oilfield equipment company, which was also a partner with Koch Industries.
He sold his interest in Thayer. This was in 2006. He became president of Sentry International. This was in 2006. Sentry International was an oilfield equipment company. Sentry International, an oilfield equipment company was also a partner with Koch Industries. Thayer was renamed Nex-Tech Aerospace.