Timothy M. Johnson

Timothy Michael "Mike" Johnson, Sr. (born 1969) is a hardware engineer at Apple Inc.

Education
Johnson graduated from St. Xavier High School in 1987. He received a BS in electrical engineering from in 1992 and a MSEE in digital signal processing from  in 1999.

Career
Johnson joined (later ) in June 1995 as a hardware project manager on telephony products. In September 2001, he joined as an electrical engineering manager on the  portable digital music player.

Apple Computer
In December 2004, Johnson began working for Apple Computer (now Apple Inc.) on the first iPod with video, and on other hard drive-based iPod models. In December 2006, he became a senior system integrator on the first iPhone.

Apple Inc.
By January 2011 Johnson was the analog and validation team manager on the iPhone product line. In February 2012, he joined the Apple Watch team as a senior system integrator. In May 2014, he became the senior manager of Apple Watch system architecture. In October 2019, Johnson was named a distinguished engineer, serving as the director of watch system architecture.