Mike Engelhardt

Mike Thomas Engelhardt is an American computer programmer, author, and entrepreneur. He is renowned for developing the SPICE-based analog electronic circuit simulator computer software known as LTspice and QSPICE.

Personal life

Mike grew up in rural Michigan. His college degrees are: Bachelors in Physics from University of Michigan ; Masters in Physics from University of California, Berkeley.
He was Director of Simulation Development at Linear Technology, employed from March 1998 to December 2019.
He is currently a managing member of Marcus Aurelius Software, which was started in January 2020.

Mike has written simulators since 1975. The following is a list of software which Mike was either the sole or primary developer:

1992 – First known port of SPICE to Linux.
1998 – SwitcherCAD released internally at Linear Technology.
1999 – SwitcherCAD III released to public. It ran on Windows 95, 98, 98SE, ME, NT4.0, 2K, XP.
2008 – LTspice IV released. It ran on Windows 2K, XP, Vista, 7. A native macOS 10.7+ application was introduced in 2013.
2016 – LTspice XVII released. It ran on 32 or 64-bit Windows 7, 8, 8.1, 10; and macOS 10.9+.
2023 – QSPICE beta released. Initially, it is designed to run on Windows 10 and 11.