Meet the visionaries at Archangel Systems


The management team at Archangel Systems has a combined industry experience of over 130 years. Under its leadership, Archangel has grown from "one man and his computer" to a sophisticated producer of inertial sensing technology. Read below to meet some of the managers who have helped to move Archangel Systems forward.

Portrait of Michael Greene

Michael Greene, Ph.D.


As President of Archangel Systems, Dr. Michael Greene oversees the strategic planning for Archangel. In that capacity, he directs the management team in the implementation of strategies that will enhance the company's competitive position as one of the leading developers of Inertial Sensing Technology in the world. Michael founded the company in 1992 to develop advanced instrumentation systems for the aerospace sector.

Michael holds a Ph.D. in Electrical Engineering from Rice University. He was a Professor in the Department of Electrical & Computer Engineering at Auburn University for over 20 years and has published over 100 technical papers. He is a Senior Member of IEEE (Institute of Electrical & Electronic Engineers) and Life AdCom member of the Industrial Electronics Society. He is also an instrument rated pilot. When he is not flying his Malibu Mirage, Michael enjoys snow skiing and historic preservation.

Portrait of Bill Dillard

Bill Dillard

Director of Sales and Marketing

"My work is driven by a single concept: Archangel Systems is the Sensing System Division of your company. We work as one with your staff to ensure the best possible solution to meet your requirements and your budgets. This partnership encompasses engineering, installation, procurement, quality and support. It begins at the earliest stages of development and runs across your program’s lifetime. In short, when you succeed, we succeed."

Originally from Birmingham, Alabama, Bill is a Master's graduate of Auburn University’s Electrical Engineering department and has published over 30 technical publications. He joined Archangel Systems in 2005 as Associate Director of Engineering, transitioned to Director of Emerging Technology in 2010, then to Director of Sales and Marketing in 2016.

Portrait of Fred Moates

Fred Moates

Director of Quality

Fred became Archangel's Director of Quality in April, 2019.  Fred serves as the Quality Representative in charge of AS9100 compliance, process improvement, supplier standards, and counterfeit electronics avoidance and control. He is also a Federal Aviation Administration (FAA) Designated Manufacturing Inspection Representative (DMIR) working with the FAA Manufacturing Inspection District Office (MIDO) and the Flight Standards District Office (FSDO.) Fred's prior position with Archangel was Configuration Manager.


Portrait of Bob Caudle

Bob Caudle

Director of Production and Repair

Bob joined Archangel Systems in September of 2008, bringing 34+ years of experience in avionics repair and installations. He is responsible for all new unit production; all units returned from the field for service; test fixture and cabling development and maintenance; new product proto-type build and assembly; circuit board build, test, & process control; FAA Repair Station development and management; and maintenance of all production ISO9001 documents. Leveraging his directing and technical skills, Bob and his team of technicians also assist the engineering team in testing of existing or new product designs and certification testing.

Bob started his career with four years of service in the United States Air Force maintaining Doppler / Inertial Navigations systems installed in Boeing 707 airframes and performing bench repairs. He then spent 10 years maintaining Weather Radar, Auto Flight, Communication, and Navigation systems at Cessna Service Facility, supporting everything from single engine to light jet aircraft. After his time at Cessna, Bob enjoyed 15 years of self employment providing avionics and systems (e.g., engine, fuel, hydraulic, flight control, and pneumatic) installations to builders of experimental class aircraft.

Portrait of Gayla Caldwell

Gayla A. Caldwell

Purchasing & Inventory Manager

Gayla joined Archangel Systems team in March of 2005. She served as the Office Manager for 12+ years before transitioning to Purchasing and Inventory Manager full time in May of 2017. Her primary role is to implement and maintain a strong and productive inventory tracking and procurement system. Gayla also optimizes inventory control procedures and work with suppliers to ensure on-time and quality goods. She is a life-long native to the Auburn/Opelika area, and outside of work she enjoys yoga, belly dancing, and all kinds of craft projects.