About Us
Barr Group was founded on a simple belief: attorneys shouldn't have to become technology experts to find the right technology expert. For more than a decade, we've been helping lawyers transform the challenge of expert witness selection into a strategic advantage for their cases.
Need a testifying expert witness?
Andrew Girson
Chief Executive Officer
Andrew Girson has over thirty years of experience in the computer industry, including in software engineering and corporate leadership roles. Prior to co-founding Barr Group, he held roles as chief executive officer, chief technical officer, and vice president at other technology companies. Mr. Girson received his master of science and bachelor of science degrees in electrical engineering from the University of Virginia. He has authored dozens of technical articles and conference papers and has many years of experience assisting attorneys and technology professionals to develop and implement strategies for utilizing software and technology experts.
Michael Barr
Software Expert and CTO
Michael Barr is a former adjunct professor of computer engineering with more than twenty-five years of experience in the software industry, including over a decade spent developing software for embedded systems. Software he wrote has powered millions of products. Mr. Barr is the author of three books and more than seventy articles and papers about embedded software design and architecture and is internationally recognized as an expert in the field. In his work as a software expert witness, Mr. Barr has testified more than twenty times before judges and juries in matters ranging from patent infringement and validity to product liability to theft of copyrighted software and trade secrets. He has been qualified in U.S. and Canadian courts as an expert in computer software, electrical engineering, and satellite TV security and piracy.
Why We're Different
1. We're Engineers First
Barr Group is led by electrical engineers and computer scientists. Co-founder Michael Barr has testified as an expert before judges and juries nearly thirty times. We don't just match resumes to requirements — we deeply understand the technical substance of your case.
2. We Know What Wins Cases
With experience placing experts on hundreds of cases, including in the U.S. District Courts, PTAB, ITC, and other venues, we've seen what makes expert testimony compelling. This experience gives us insight that guides every expert recommendation we make.
3. Your Search Stays Confidential
We treat each case with the discretion it deserves. Your confidential search won't be shared publicly, and you maintain complete control over how your case is presented and who knows you're seeking expert assistance. We also begin every conversation with a conflicts check.