Our Team
Our forensic engineers are experts in accident reconstruction, failure analysis and cause & origin.
Our forensic engineers work directly with our in-house animation department to create state-of-the-art forensic animations for use in court, arbitration, mediation or settlement negotiations.
Engineers
Richard M. Ziernicki, Ph.D., P.E., DFE
Dr. Ziernicki has evaluated several thousand industrial and vehicular accidents. He has presented papers and lectured at a…
Stanley C. Stoll, M.Eng., P.E., DFE, CFEI, CVFI
Mr. Stoll is the CEO and a Principal Engineer at Knott Laboratory. Mr. Stoll is a board-certified diplomat forensic…
Cade R. Caldwell, P.E.
Mr. Caldwell has investigated cases involving property damaged by fire, flood, moisture intrusion, inadequate drainage, pipe…
Kyle T. Wieghaus, Ph.D., P.E.
At Knott Laboratory, Dr. Wieghaus has investigated cases involving residential and large commercial properties damaged by…
Tim R. Phelan, M.S., P.E., S.E, M.L.S.E.
Mr. Phelan has investigated cases involving property damaged by fire, flood, moisture intrusion, inadequate drainage, pipe…
Henry “Hank” V. Mowry, P.E.
Mr. Mowry has worked in the nuclear power industry, chemical production industry in mid-stream oil and gas. As a forensic…
Ricky L. Nguyen, M.S., P.E.
Mr. Nguyen received his Bachelors of Science in Engineering with a Mechanical Specialty at the Colorado School of Mines in…
Samuel R. Henning, P.E.
Mr. Henning received his Bachelors of Science Degree in Civil Engineering from the University of Colorado in Boulder, CO.…
Brent R. Graham
Mr. Graham has investigated and reconstructed hundreds of vehicular accidents. After graduating from the Colorado State…
Eric A. Black, M.S., P.E., CFEI, CVFI
Mr. Black has investigated the cause of damage to properties damaged by fire, flood, moisture intrusion, inadequate…
Jason M.K. Cochran, M.S., P.E.
Mr. Cochran has investigated hundreds of cases involving property damage, foundation failure, structural member failure,…
Karl P. Mertens, M.S., P.E.
Mr. Mertens has performed structural assessments helping owners understand the existing condition of their building as well…
Scott B. Hargrove, P.E.
Mr. Hargrove’s responsibilities have included complete structural engineering for both new construction and remodeled…
Michael Arambel, P.E.
Mr. Arambel received his Bachelors of Science Degree in Civil Engineering from Northern Arizona University in Flagstaff, AZ.…
Peter W. Korff, B.Sc.
Mr. Korff earned his B.S. in Mechanical Engineering at Iowa State University.
David C. Neidig, B.Sc.
Mr. Neidig has worked in laboratory and engineering environments within polyurethane, electronics, and aviation industries.…
Cameron R. Stoesser, B.Sc.
Mr. Stoesser graduated from the Colorado School of Mines with a Bachelor of Science in Mechanical Engineering in May 2020.
Jason P. Evans, M.B.A., B.S.
Mr. Evans has performed investigations and reconstructions of high and low-speed motor vehicle accidents involving passenger…
Sean Dunfee, B.S., E.I.T
Mr. Dunfee has engineering design experience in single-family wood construction. He has worked as a structural design…
Taylor Valentine, B.S.
Ms. Valentine has worked as a project engineer in the structural repair industry where she gained engineering design and…
Thomas Tarcha, M.S., E.I.T.
Mr. Tarcha has designed commercial, residential, and higher education structures in addition to remodel designs of existing…
Animators
Taylor D. Spiegelberg, B.F.A.
Mr. Spiegelberg is one of our experts in 3D Modeling, Forensic Animation, Interactive Animations, Photo Matching,…
Angelos G. Leiloglou, M. Arch.
Mr. Leiloglou is a native of Texas. He grew up in San Antonio and attended Texas A&M University where he earned a Bachelor…
Douglas Starks
Mr. Starks has 25 years drafting, design and construction management experience.
Business Development
Mike Lowe
Mr. Lowe is the President of Knott Laboratory. He comes to Knott Laboratory with a strong construction background. Mr. Lowe…
Justin Bayer
Mr. Bayer's background prior to joining Knott Laboratory L.L.C comes from experience in Business Development within the HOA…
Bo Milberger
Bo Milberger is a Colorado native and is a Client Relations Manager with Knott Laboratory.
Jennah Stanton
Jennah Stanton is Client Relations Manager at the Knott Laboratory Phoenix location.
Melissa Koenig
Melissa Koenig is Client Relations Manager for our clients in the insurance industry.
Sarah Allen
Sarah Allen has a diverse marketing background across many industries from mountain bike manufacturing to the financial…
Administration
Consultants
James Henning
Mr. Henning served over 31 years with the Denver Police Department with half his career spent at the command level. He is a…
Steve D. Knapp, P.E., CFEI, CVFI
Mr. Knapp has been working as a forensic engineer since 1999. During this time, the emphasis of his career has been focused…
Mark Kinghorn, B.Arch, AIA
Mr. Kinghorn has broad experience in all aspects of Architecture and General Construction with extensive experience with…
Gary W. Markham, P.E.
Mr. Markham specializes in consulting on and leading teams of consultants on very large engineering & construction claims,…
Wojciech Wach, Ph.D.
W. Wach conducts and directs investigations of vehicular accidents, which include automobiles, tractortrailers, buses,…