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Computer Methods is a software engineering firm located in the heart of Silicon Valley. A division of Physio Systems, Inc., the company was founded in 1986 and provides engineering services developing Windows, iOS, Android and Web applications for medical, scientific and small-business clients. We bring a unique set of skills and experiences to our project developments.

Computer Methods Office
David Lieberman

Dave Lieberman is the owner and CEO of Computer Methods.  He graduated from the University of Michigan with Bachelors and Masters degrees in Electrical Engineering.  Computer Methods was incorporated in California in 1986 manufacturing diagnostic systems for Physical Therapy.  The company's focus has since shifted to hardware and software solutions for embedded and cloud applications.   See Dave’s resume here.

Dave holds a Visiting Professor appointment from DeVry University and teaches in the Biomedical Technology program at the Newark Campus in Newark, CA.  He is a licensed amateur radio operator -- call sign KT8E.

Michael Arnold

Mike Arnold joined Computer Methods in 2008 after serving over ten years as a Lieutenant in the private security industry.  Mike was instrumental in the development of the Company's software product ActivitySuite, a web-based solution for private security.  Mike's versatile skill set includes .NET, C#, iOS and Android apps under the Xamarin platform and PCB design and circuit board prototyping.  See Mike’s resume here.

Mike is a certified PADI SCUBA instructor and teaches diving classes regularly in his spare time.


1660 W.Linne Rd.
Suite H
Tracy, CA. 95377


(510) 824-0252