Denver, Colorado

Denver, Colorado

1873 S. Bellaire Street, Suite 1101
Denver, Colorado 80222

Denver, Colorado

1873 S. Bellaire Street, Suite 1101
Denver, Colorado 80222


(720) 779-3600


(303) 798-9462


Paul Jesaitis, PE

Colorado Regional Director


Saeed Sobhi, PE

Denver Regional Manager

Saeed serves as EST’s Denver Regional Manager overseeing all company affairs and interests in the Denver and Northern Colorado. This includes, but is not limited to: construction management, roadway and bridge design, survey, and traffic engineering and management operations.

Denver Staff

Amy Backel, PE
Professional Engineer

Ghazal Batouli

Mario Castaneda
CADD Tech / Inspector

Shawn Dankenbring, PE
Water Resource Group Engineer

Joey Davison
CADD Specialist

Chuck Dreesen, PE
Construction Project Manager

Richard Duran
Traffic Ops and Construction Specialist

Hamideh Etemadnia
Sr. Transportation & ITS Support

Gary Johnson, PE, PTOE
Sr. Traffic Engineer






Kate Jones, EI
Engineer Intern

Alexandre Karami
Senior Consultant

William Kascek
Senior ITS Specialist

Steve Kitterman
Construction Manager

Phillip O’Brien
Graphics Designer

Jason Okerlund
Construction Inspection Tech

Amirpasha Peyvandi, PE
Structural Engineer

Morgan Stapleton
Colorado Marketing Manager

Denver Projects

Denver Careers

Denver News

Women In Construction Waymakers

Women In Construction Waymakers

Associated General Contractors – Colorado
EST’s Tamara Dipner was selected by AGC – Colorado as a Waymaker for Women in Construction.

Contact Us

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Corporate Headquarters

615 N Hudson Avenue, Suite 300 Oklahoma City, OK 73102

(405) 815-3600

(405) 815-4080