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Public engineering firm profile

Straughan Environmental, Inc.

Columbia, MD

Advancing sustainable and resilient communities

Services
15
Offices
1
Projects
6
Leaders
19
Founded
1995
Size Estimate
25-100 employees

Overview

Straughan Environmental is a Columbia, Maryland-based multi-disciplinary environmental engineering and planning practice founded in 1995. With more than 300 active projects and decades of Excellent or Very Good Federal performance ratings, its engineers, planners, and scientists deliver analysis, planning, engineering, and asset management services to government agencies and commercial clients. Core practice areas include ecosystem restoration, water resources, civil engineering, coastal resilience, natural resources permitting, and environmental program management.

Founded
1995
Size Estimate
25-100 employees

Services

Management and Consulting

Program management, construction oversight, GIS, and public involvement services spanning project planning through construction and delivery.

Environmental Design and Engineering

Engineering design for ecosystem restoration, water infrastructure, coastal resilience, and sustainable site development.

Assessments and Permitting

Environmental review, natural and cultural resource documentation, noise and air quality analysis, and environmental compliance.

Industries

Firm type

Project types

Projects

I-64 Hampton Roads Bridge-Tunnel Expansion - Stormwater Pollution Prevention Plan and Environmental Services

Virginia | Virginia Department of Transportation | Transportation

Prepared the stormwater pollution prevention plan and provided environmental services for the highway bridge-tunnel expansion.

Point of Rocks Stream Restoration and Pond Decommissioning

Frederick County, MD | Frederick County Office of Sustainability and Environmental Resources | Government

Designed a stream restoration and pond decommissioning project to improve local water quality and ecological function.

Credentials and affiliations

Leadership

Tracy Seymour

President and CEO

PE, Assoc. DBIA, LEED Green Associate

Michael Blose

Vice President, Director of Engineering

PE, MBA

Justin Haynes

Vice President, Director of Business Development

Larry Trout, Jr.

Director, Resilience and Coastal Engineering

PE

Kate Traut

Director, Natural Resources

PWS, ISA-CA, QP

Lauren Wirth

Director, Natural Resources

QP

Joe Arrowsmith

Director, Ecosystem Restoration

PE

Drew Altland

Director, Ecological Restoration & Full Delivery Solutions

PE

Chris L. Overcash

Director, Environmental Engineering and Resilience

PE, BCEE, ENV SP, LEED AP

Ryan W. Burdette

Director, Stormwater Engineering

PE, CPSWQ

Julie Spangler

Director, GIS & Technology

GISP

Jennifer Martin

Director, Environmental Planning

ENV SP, CEP

Paul M. (Pablo) Valdez

Program Manager, NASA JSC Environmental Services

Sabrina Bachman

Deputy Director, Sustainability

LEED Green Associate

Maria Hackey

Deputy Director, Natural Resources

John (Zhiyao) Shen

Deputy Director, Water Resources Engineering

Ph.D., PE, LEED AP BD+C

Serena Stafford

Deputy Director, Water Resources Engineering

PE

Liz O'Keefe-Markham

Deputy Director, GIS & Technology

GISP

Mindy Barnowski

Director, Marketing & Communications

CPSM, CF APMP

Publications

Straughan Earns ACEC/MD Honor Award for Urban Forest Management Planning

article | 2026

View publication

LEED v5: The Newest Version Green Building Standards from USGBC

article | 2026

View publication

Recognizing Dr. Beverly Wright - A Leader in Coastal and Community Resilience

article | 2026

View publication

Offices

Maryland Headquarters

Headquarters

9175 Guilford Road, Suite 100

Columbia, MD 21046

USA

(301) 362-9200

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