Principal Engineers
![Angelos T Angelos T](https://www.dreng.com/wp-content/uploads/2022/07/Angelos-T.jpeg)
Timothy E. Angelos, M.S.M.E.
Principal Engineer
![Hoover T Hoover T](https://www.dreng.com/wp-content/uploads/2022/07/Hoover-T.jpeg)
Todd D. Hoover, A.A.S., B.S.
Principal Engineer - Texas Office
![Klima M Klima M](https://www.dreng.com/wp-content/uploads/2022/07/Klima-M.jpg)
Michael E. Klima, B.S.E., M.B.A, P.E.
Principal Engineer
![TaylorR TaylorR](https://www.dreng.com/wp-content/uploads/2022/12/TaylorR.jpg)
Robert K. Taylor, M.S., P.E., CFEI
Principal Engineer
![toomeyd toomeyd](https://www.dreng.com/wp-content/uploads/2024/03/ToomeyD.jpg)
Daniel E. Toomey, Ph.D., P.E.
Principal Engineer
![VanEe VanEe](https://www.dreng.com/wp-content/uploads/2022/12/VanEe.jpg)
Chris A. Van Ee, Ph.D., P.E.
Principal Engineer
![VoglerM VoglerM](https://www.dreng.com/wp-content/uploads/2022/12/VoglerM.jpg)
Michelle M. Vogler, Ph.D., P.E.
Principal Engineer
Senior Engineering Consultants
![Balavich Karen Balavich Karen](https://www.dreng.com/wp-content/uploads/2022/07/Balavich-Karen.jpg)
Karen Balavich, B.S.M.E., M.S.
Senior Engineering Consultant
![burnettr burnettr](https://www.dreng.com/wp-content/uploads/2024/03/BurnettR.jpg)
Roger A. Burnett, M.S.
Senior Engineering Consultant
![davidsonr davidsonr](https://www.dreng.com/wp-content/uploads/2024/03/DavidsonR.jpg)
Russell K. Davidson, P.E., M.S.E.
Senior Engineering Consultant
![David Eby David Eby](https://www.dreng.com/wp-content/uploads/2022/07/David-Eby.jpeg)
David J. Eby, Ph.D., P.E., CFEI
Senior Engineering Consultant
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Matthew Fyie, M.S.M.E.
Senior Engineering Consultant
![Headshot+RichG Headshot+RichG](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotRichG.jpg)
Richard H. Gregg, Ph.D. Candidate
Senior Engineering Consultant
![KalisE KalisE](https://www.dreng.com/wp-content/uploads/2023/05/KalisE-300x200.jpg)
Eric Kalis, B.S.M.E., CFEI, CVFI
Senior Engineering Consultant
![mesajose mesajose](https://www.dreng.com/wp-content/uploads/2023/09/MesaJose-300x200.jpg)
Jose Mesa, Ph.D.
Senior Engineering Consultant
![E.paddock E.paddock](https://www.dreng.com/wp-content/uploads/2022/07/e.paddock.jpg)
Edward M. Paddock, M.S.
Senior Engineering Consultant
![parenteauc parenteauc](https://www.dreng.com/wp-content/uploads/2024/03/ParenteauC.jpg)
Chantal S. Parenteau, Ph.D.
Senior Engineering Consultant
![Frederick Porter Frederick Porter](https://www.dreng.com/wp-content/uploads/2022/07/Frederick-Porter.jpg)
Frederick J. Porter, M.S., P.E.
Senior Engineering Consultant
![WeberM WeberM](https://www.dreng.com/wp-content/uploads/2023/05/WeberM-300x200.jpg)
Matthew J. Weber, B.S.E., ACTAR
Senior Engineering Consultant
![Headshot+WilliamsS+2020+10 Headshot+WilliamsS+2020+10](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotWilliamsS202010.jpg)
Stuart M. Williams, Ph.D.
Senior Engineering Consultant
Senior Project Engineers/Analyst
![R.athony R.athony](https://www.dreng.com/wp-content/uploads/2022/07/r.athony.jpg)
Robert L. Anthony, M.S.E., P.E., CFEI, CVFI
Senior Project Engineer
![Ault Nick Ault Nick](https://www.dreng.com/wp-content/uploads/2022/07/Ault-Nick.jpg)
B. Nicholas Ault, M.S., P.E.
Senior Project Engineer - Texas Office
![Amy Bumbaugh Amy Bumbaugh](https://www.dreng.com/wp-content/uploads/2022/07/Amy-Bumbaugh.jpeg)
Amy K. Bumbaugh, M.S.
Senior Project Engineer
![CowellsJ CowellsJ](https://www.dreng.com/wp-content/uploads/2023/05/CowellsJ-600x400.jpg)
Joel T. Cowells, M.S., P.E.
Senior Project Engineer
![McNamara Terry McNamara Terry](https://www.dreng.com/wp-content/uploads/2022/07/McNamara-Terry.jpeg)
Terry M. McNamara, M.S., P.E.
Senior Project Engineer
![petroskeyk petroskeyk](https://www.dreng.com/wp-content/uploads/2024/03/PetroskeyK.jpg)
Karla J. Petroskey, P.E., M.S.E.
Senior Project Engineer
![Headshot+Moroski Browne Headshot+Moroski Browne](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotMoroski-Browne.jpg)
Barbara A. Moroski-Browne, B.P.A.
Senior Data Analyst
Project Engineers
![BoysenK BoysenK](https://www.dreng.com/wp-content/uploads/2022/12/BoysenK.jpg)
Kevin Boysen, B.S.E.
Project Engineer
![clawsona clawsona](https://www.dreng.com/wp-content/uploads/2024/03/ClawsonA.jpg)
Aidan D. Clawson, M.S.E.
Project Engineer
![Headshot+Dabkowski Headshot+Dabkowski](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotDabkowski.jpg)
Stephen Dabkowski, B.S.E.
Project Engineer
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Michael Notaro, B.M.E, CFEI, CVFI
Project Engineer
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Mason Orr, B.S.E.
Project Engineer
![Palm Erica Palm Erica](https://www.dreng.com/wp-content/uploads/2022/07/Palm-Erica.jpg)
Erica Palm, B.S.E.
Project Engineer
![E.schatz E.schatz](https://www.dreng.com/wp-content/uploads/2022/07/e.schatz.jpg)
Edward A. Schatz, A.A.S., B.S.
Project Engineer
![SchirmannM SchirmannM](https://www.dreng.com/wp-content/uploads/2022/12/SchirmannM.jpg)
Matt Schirmann, Ph.D.
Project Engineer
![sinnottd sinnottd](https://www.dreng.com/wp-content/uploads/2024/03/SinnottD.jpg)
Daniel Sinnott, Ph.D.
Project Engineer
![wagnorc wagnorc](https://www.dreng.com/wp-content/uploads/2024/03/WagnorC.jpg)
Casey J. Wagoner, B.S.
Project Engineer
Computer Graphics
![Lomeli Phillip Lomeli Phillip](https://www.dreng.com/wp-content/uploads/2022/07/Lomeli-Phillip.jpg)
Phillip Lomeli, A.A.S.
Senior Computer Graphics Analyst
Texas Office
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Keith Marchell, B.F.A
Computer Graphics Analyst
Texas Office
![Headshot+Rodriguez+DSC 0061 Headshot+Rodriguez+DSC 0061](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotRodriguezDSC_0061.jpg)
Dulce Rodriquez, M.F.A
Computer Graphics Analyst
Texas Office
Technicians
![BeboutS Img067 BeboutS Img067](https://www.dreng.com/wp-content/uploads/2023/05/BeboutS-Img067-300x200.jpg)
Scott C. Bebout
Technician
![HadjikC DSC 6232 HadjikC DSC 6232](https://www.dreng.com/wp-content/uploads/2023/05/HadjikC-DSC_6232.jpg)
Christopher Hajdik
Technician - Texas Office
![McClellanK DSC 1330 McClellanK DSC 1330](https://www.dreng.com/wp-content/uploads/2023/05/McClellanK-DSC_1330.jpg)
Kevin McClellan
Technician
Technical Research Assistants
![David Bensch David Bensch](https://www.dreng.com/wp-content/uploads/2022/07/David-Bensch.jpeg)
David C. Bensch
Senior Technical Research Assistant
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Florence Gadjev
Technical Research Assistant
![J.hall J.hall](https://www.dreng.com/wp-content/uploads/2022/07/j.hall_.jpg)
Jennifer Hall
Technical Research Assistant
![L.Hoover L.Hoover](https://www.dreng.com/wp-content/uploads/2022/07/L.Hoover.jpg)
Lori S. Hoover
Senior Technical Analyst
![Headshot+JonesC+DSC 0024 Headshot+JonesC+DSC 0024](https://www.dreng.com/wp-content/uploads/2022/07/HeadshotJonesCDSC_0024.jpg)
Christine E. Jones
Technical Research Assistant
Texas Office
![Corrina Michael Corrina Michael](https://www.dreng.com/wp-content/uploads/2022/07/Corrina-Michael.jpeg)
Corrina E. Michael
Technical Research Assistant
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Cynthia J. Prossen
Technical Research Assistant
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Karen A. Urbin
Technical Research Assistant
![vandevan vandevan](https://www.dreng.com/wp-content/uploads/2024/03/VanDeVan.jpg)
Brenda Van De Ven
Technical Research Assistant
Business/Account Management
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Paula M. McClellan, M.S.F.
Business Manager
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Ken O'Connor
Account Administrator
![Image 2 Image 2](https://www.dreng.com/wp-content/uploads/2022/07/image-2.png)
Rosy Prince-Hobson
Billing Administrator