ISIS, LLC
ISIS Consultants, LLC - Team Members


Robert E. Burkhardt, P.E., M.I.R.S.E.                                           email Rob
Rob spent seventeen years working in various positions in the signal, communications and
electrical departments of CSX and has spent the last thirteen years working in signal design.  He
holds a Bachelor degree in Electrical Engineering Technology from the IUPUI campus of Purdue
University and is a professional engineer with registrations in several states.  He is a charter
member of the North American chapter of the Institution of Railway Signal Engineers, and is a
member of AREMA committees 37 and 39.  He has worked as the senior engineer on several
major commuter and light rail projects including those in San Jose and Los Angeles, California,
Dallas, Texas and Norfolk, United Kingdom.

John J. Spellman, P.E., M.I.R.S.E.                                                email John
John has spent the last eleven years working in various positions in the signal design industry.  
He holds a Bachelor degree in Electrical Engineering from the Speed School of the University of
Louisville and is a professional engineer with registrations in several states.  He is a charter
member of the North American chapter of the Institution of Railway Signal Engineers, and is a
member of AREMA committe 36.  He has worked in senior engineering capacities on several
commuter and light rail projects including those in San Jose and Los Angeles, California,
Newark, New Jersey and Norfolk, United Kingdom.

David Bradley Fewell                                                                    email Brad
Brad has spent the last thirteen years working in various positions in the signal design industry.  
He has worked in drafting, IT and design and has worked with customers as varied as light rail,
class 1 and commuter and light rail.  Brad is a graduate of the Louisville Technical Institute.

Brent A. Hillyard                                                                            email Brent
Brent has spent the last seventeen years working in various positions in the signal consulting
and engineering industry.  He holds a Masters Certification in Project Management from
Villanova University.  He has worked as a senior engineer and project manager on several major
commuter and light rail projects including those in Salt Lake City, San Francisco and Denver.  
Brent is a member of AREMA, APTA and PMI (Project Management Institute).

Bob S. Kocar                                                                                    email Bob
Bob is an accomplished senior signal engineer with seventeen years experience and is a
BNSF qualified checker.  He has extensive experience with the solid-state interlocking platforms
deployed by the major suppliers to the North American signaling market.  A graduate of Purdue
University with a degree in electrical engineering, Bob is also a member of AREMA and is a
FCC licensed amateur radio operator.
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