John Ternus

Ternus graduated from Penn in 1997 in mechanical engineering and applied mechanics, with a psychology minor. A varsity swimmer, he worked on a senior project enabling head-controlled assisted feeding.⁠[1]

Before joining Apple, Ternus worked as a mechanical engineer at Virtual Research Systems.⁠[2]

Ternus joined Apple’s product design team in 2001, beginning a career focused on hardware development and product-engineering management.⁠[3]

Ternus became vice president of Hardware Engineering in 2013. His responsibilities included iPad and first-generation AirPods, followed by iPhone 12 hardware and the Mac transition to Apple-designed silicon.⁠[3]

Apple announced that Ternus would lead Hardware Engineering and join its executive team. Dan Riccio moved to a new-project role reporting to then-CEO Tim Cook.⁠[3]

Ternus addressed Penn Engineering’s undergraduate commencement. Recalling his early days at Apple, he encouraged confidence combined with intellectual humility and a willingness to seek help.⁠[1]

Apple’s board unanimously approved Ternus as Tim Cook’s successor effective September 1. Cook would become executive chairman and Arthur Levinson lead independent director, following a long-term succession process.⁠[4]

Ternus became Apple CEO and joined its board under the announced transition. Apple’s current leadership profile confirms both positions.⁠[4][2]

In a joint Tom’s Guide and TechRadar interview, Ternus said release timing depended on meeting quality, durability and design standards. He presented iPhone Duo as integrated hardware and software, emphasizing continuity across its folded and unfolded interfaces.⁠[5]

Apple’s profile identifies reliability, durability and materials as areas of Ternus’s work, citing recycled aluminum, 3D-printed titanium for Apple Watch Ultra and repairability improvements. These descriptions are the company’s account of his engineering contributions.⁠[2]

His official biography is on Apple’s leadership site, and his X handle is @johnternus. LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry uses /in/john-ternus-2392b76/ and retains an older title; Apple’s current profile establishes his present role.⁠[2][6][7]