expert witnesses
Materials (General) Expert Witnesses: 25
Metallurgy Failure Analysis Expert Arun Kumar
Dr. Arun Kumar
Ph.D.
250 N. Nash Street
El Segundo CA
90245
USA
phone: 310-322-2011
fax: 310-322-2243
Engineering Expert Paul Eason
Paul Eason, Ph.D., P.E., CFEI
4600 Touchton Road,Building 100, Suite 150
Jacksonville FL
32246
USA
phone: 904-279-9300 or 888-504-5454
Packaging Expert Witness Randy Phares
Randy Phares
President / CEO
15504 N 169th Ave
Surprise Arizona
85388
USA
phone: 775-443-5529
Building Design Construction Expert Witness David Morris
David Morris
El Cajon CA
92019
USA
phone: 619-572-3179
Chemical Engineering Expert Witness David Rockstraw
David Rockstraw, PhD, PE
PO Box 7
Mesilla NM
88046
USA
phone: 575-635-9539
Mechanical Engineering Expert Witness Michael Pollock
Michael A. Pollock, PE, USPTO
405 Barbara Lane
Bryn Mawr PA
19010
USA
phone: 610-955-4811
Technology Engineering Patent Expert Witness Rolf Biernath
Rolf Biernath, PhD
25534 Heritage Ln.
Wyoming MN
55092
USA
phone: 612-400-4004
Aviation Safety Expert Witness Keith Cianfrani
Keith M. Cianfrani, MAS, CRSP
Aviation Safety Consultant
Pennsylvania Office:
350 New Britain Road
Doylestown, PA 18901
USA
Florida Office:
3389 Conservation Trail
The Villages, FL 32163
USA
phone: 267-377-5364 (Cell)
Materials Evaluation Expert Witness Charles Anderson
Dr. Charles R. Anderson
President & Principal Scientist
9051 Red Branch Road, Suite C,
Columbia MD
21045
USA
phone: (410) 740-8562
fax: 410-740-8201
Patent Mechanical Engineer Product Liability Expert Witness David Smith
David Smith
Vice President
111 W. Canyon Crest Road
Alpine UT
84004
USA
phone: 801-763-8484
fax: 801-763-5755
Featured resources
by Randal Hill, PhD
by Angi Ma Wong, Yap Cheng Hai
by Daniel A. Bronstein

Michael A. Pollock, PE, USPTO, is a Mechanical Engineer responsible for the design and engineering of commercial, industrial, manufacturing, institutional, and residential venues, as well as efforts relating to services and products used in and around these facilities. Mr. Pollock's full CV can be viewed at cogentexpert.com.
Dr. Rolf Biernath, PhD, Chemical Engineering, University of California, Berkeley, and BChE, Georgia Institute of Technology) has over 35 years of experience in the Chemical Industry with a concentration on Polymer Science and Engineering and Material Science Fracture Mechanics. He worked in Materials and Processes at 3M for 31 years in senior technical roles developing materials, processes, and systems. His 58 US patents span a broad range of scientific and engineering disciplines.

