Dr. Duane Steffey, PhD, MS
Work:
Principal Scientist, Exponent, Inc.
Education:
Doctor of Philosophy, Carnegie Mellon University
Dr. Duane Steffey has over 41 years of experience in the field of Statistics. He earned his BS in History and Mathematics and his MS, and Ph.D. in Statistics from Carnegie Mellon University. Formerly, this expert held roles as an Adjunct Assistant Professor at the Graduate School of Public Health at San Diego State University and as an Associate Professor and Professor at San Diego State University. Currently, he serves as the Principal Scientist in the Department of Data Sciences at Exponent, Inc.
d*********@e*****.com
(650) ***-****
San Francisco, California
At a Glance
Expert Witness Activity
57
Plaintiff Cases
9
Defense Cases
41
Expert Challenges
17
Deposition Transcripts
Publications
52
Media & News
101
Social Media Mentions
7
Expert Institute operates independently and objectively as an expert witness data provider. Expert witness profiling focuses on individuals involved in publicly disclosed litigation. Expert Institute does not employ, endorse, or suggest an affiliation with any individuals for whom data is available.
Litigation Activities
57 records available
Case Name | Role | Filed Date |
|---|---|---|
Suzanne Hernandez, et al. v. The Laundress, LLC, et al. | Expert Witness | 2023-09-01 |
801 SMA Master Association, Inc. v. AMCO PRH 801 South Miami Avenue, LLC, et al. | Expert Witness | 2023-01-20 |
Two Park Grove Condominium Association, Inc. v. 2701 Bayshore Venture, LLC, et al. | Expert Witness | 2022-12-06 |
Unlock Dr. Duane Steffey, PhD, MS's full profile
See their litigation activity, risk and credibility history
Litigation Analytics
Retained By
Defense
Plaintiff
Other
Activity over time
0
25
50
75
100
2000
0
2002
0
2004
0
2006
0
2008
0
2010
0
Area of Law
2001-2009
2001-2009
2001-2009
2001-2009
2001-2009
2001-2009
2001-2009
2001-2019
0
25
50
75
100
Activity by state
Case Outcome
0
25
50
75
100
Unlock Dr. Duane Steffey, PhD, MS's full profile
See their litigation activity, risk and credibility history
Publications
52 records available
Title | Type |
|---|---|
A Note on The Application of Simple Linear Regression Methods For Trend Detection at Multiple Sites and Visits | Journal Article |
Statistical Assessment of Damages in Breach of Contract Litigation | Journal Article |
San Diego's Interstate 15 Congestion Pricing Project: Traffic-related Issues | Journal Article |
Unlock Dr. Duane Steffey, PhD, MS's full profile
See their litigation activity, risk and credibility history
Using Expert Radar, we uncovered a textbook chapter written by the opposing expert that contradicted his testimony, helping us secure a $44 million verdict—the largest single verdict for a single plaintiff in Kentucky's history.
Mark Alcott, Esq.
Harlin Parker
Media & News
101 records available
Title | Description |
|---|---|
Statistical Science | Mar 22, 2023 -- 273 Ronald A. Thisted [Computing Environments for Data Analysis]: ... of Random Effects]: Comment 42--44 Duane Steffey and Robert E. Kass ... |
Online Program | Feb 17, 2023 -- Duane Steffey, Exponent, Inc. PS5 Business Analytics Session 2. Fri, Feb 17, 10:30 AM - 12: ... |
Press Release – $91 Million Recovery | — |
Unlock Dr. Duane Steffey, PhD, MS's full profile
See their litigation activity, risk and credibility history
Education
Institution | Degree Type |
|---|---|
Carnegie Mellon University | Doctor of Philosophy |
Carnegie Mellon University | Master of Science |
Carnegie Mellon University | Bachelor of Science |
Work History
Title | Employer |
|---|---|
Principal Scientist | Exponent, Inc. |
Professor | San Diego State University |
Co-Founder, Co-Director | San Diego State University |
Get critical intel on Dr. Duane Steffey, PhD, MS
Contradictory statements in testimony
Misrepresentations in CVs, online profiles / bios, LinkedIn
Biases in expert witness experience
Financial ties with organizations they represent