Dr. Duane Steffey, PhD, MS

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.

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d*********@e*****.com

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(650) ***-****

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San Francisco, California

At a Glance

Expert Witness Activity

57

Plaintiff Cases

9

Defense Cases

41

Other Cases

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Expert Challenges

17

Malpractice Cases

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Deposition Transcripts

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Personal Litigation

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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

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Litigation Analytics

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Activity by state

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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

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5 stars

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

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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

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Contradictory statements in testimony

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Misrepresentations in CVs, online profiles / bios, LinkedIn

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Biases in expert witness experience

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Financial ties with organizations they represent