Weeks before the introduction of the first iPod, Apple hired Tupman, and he soon became Apple’s vice president of iPod engineering.Tupman's future plans remain unknown, although we understand that he has been taking some personal time following his long term of service at Apple.
He had a big hand in the development and success of every iPod released to date, and when it was time to build the iPhone, Tupman joined the team behind that product, too. As Apple shifted its engineering resources to its mobile line of products, Tupman was named Vice President of iPod and iPhone Engineering— a major role at Apple. Besides playing a major part in growing Apple’s mobile device business into one of the most successful businesses ever, Tupman has his name on at around 70 Apple technology patents, such as power and battery life management, noise-canceling ear buds, Apple’s tiny iPhone power adapters, and mobile device interaction with accessories.
Apple is said to be searching internally for Tupman's replacement, but has apparently not yet named a successor.