Global Positioning Systems GPS Expert Witness

Electrical engineer with substantial design experience in the fields of GPS and navigation systems, digital signal processing, semiconductors, image processing, and software-defined radio for airborne and ground-based systems and devices in the military, agricultural, industrial, and other markets. Experience includes technical team and architectural leadership for multiple product launches.

Formal Education

B.S. Electrical Engineering, South Dakota School of Mines and Technology

Career Highlights

Designed and developed algorithms to locate a person indoors in GPSdenied (Global Positioning System) environments based on relative received signal strengths from a set of fixed Wi-Fi access points
Responsible for the technical design and requirements compliance of an entire product line of military GPS receivers, leading a team of sixty
Designer of algorithms for indoor navigation using smartphones and MEMS-based (micro-electro-mechanical systems) inertial sensors
Designed and developed GNSS tracking algorithms focused on vector tracking and multi-path mitigation
Program chief for a third generation single-chip GPS / GNSS receiver designed for use in weapons systems as well as airborne and groundbased systems requiring geolocation capability
System architect and algorithm designer for a team of ten engineers in the design of an integrated vehicle navigation, guidance, and steering system based on differential GPS plus 9DOF inertial sensors for selfpropelled sprayers, tractors, harvesters, and other agricultural robots
Led a team of engineers to design and develop a universal reference receiver software defined radio for military applications that tracked satnav signals from networks including GPS, GLONASS, and Galileo
Early in his career, designed PLC controllers for industrial machines, including a factory safety system utilizing cameras and optical filters
Named inventor on five issued U.S. patents including for technologies in the area of electronic yield monitoring in farm harvesting equipment

Expert Qualifications

Testifying expert witness for the plaintiff in a patent litigation in Perth, Western Australia, including preparation of claim charts, submission of affidavits, and courtroom testimony

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Frequently Asked Questions

What types of cases can this expert support?

They testified in a patent dispute in Perth, Australia—so they have courtroom experience. Can support cases involving GPS and GNSS systems, navigation algorithms, signal processing, embedded systems, and semiconductors across military, aerospace, agricultural, and industrial applications.

What is this expert's technical background?

B.S. in electrical engineering from South Dakota School of Mines and Technology. Career includes GPS and GNSS receiver design, navigation algorithms (including indoor location), signal processing, software-defined radio, and industrial controls. Led teams up to 60 engineers and holds five U.S. patents.

What technologies does this expert specialize in?

GPS and GNSS systems, signal processing, embedded software, wireless protocols, and semiconductors. Also works with software-defined radio, agricultural and industrial robotics, MEMS sensors, and camera-based systems. Knows the full design-to-production cycle for military, aerospace, farm equipment, and consumer electronics.