Muhammad Tahir

Project Controls/Operations Manager

Mariah Bailey

Project Coordinator

Jana Dawson

Director, Employee Communications

Jim Wright

Director of Safety and Health | Senior Principal

Corey Adams

Director of Accounting

Leonard Rewerts

Senior Geologist /Project Manager

Bret S.

IT Service Desk Support Staff I

Amy Spurgeon

Marketing and Communications Assistant

Kori Ratzlaff

HR Coordinator

Stephanie Price

Chief People Officer

Kraig Krause

Application Developer III

Vanessa Zambo

Chief Marketing Officer

Colin Coomer

Video and Digital Producer

Kris McKinney

HR Project Manager

Keith Connor

Environmental Department Manager - Lenexa, KS

Nate Fain

Senior Marketing Specialist

Ryan Hoffman

Senior IT Product Manager

Kelli Balkenbusch

M&A Senior Project Manager

AmberLee OBrien

Field Scientist

Vishal Vejendla

Materials Field Engineer

Molly Ritter

Staff Engineer

Megan Earney

Marketing and Communications Assistant

Clark Grisell

Department Manager

Lisa Livingston

HR Business Partner

Ryan Slanczka

Staff Scientist

Brian Coffman

Management Consultant

Kim Schworm Acosta

Sr. Corporate Communications Strategist

Logan Johnson

Network and System Administrator II

Dave Koch

National Manager / Brownfields & Public Sector Services

Jamie Jackson

Government Invoicing Cooridinator

Josh Gabriel

Corporate Real Estate Program Manager

Pamela Flick

Program Manager, Principal

David Proctor

Network and System Administrator

Laura Berry

National Marketing Manager | Services | Power Transmission & Generation | Digital Infrastructure

Jennifer Day

Manager Benefits and Wellbeing

Grace Lohman

Corporate Marketing Assistant

Philip Nigus

Senior Associate / Senior Project Engineer / Office Manager - Facilities Services

Michael O'Grady

Executive Vice President

Nathan Lorenc

Human Resources Assistant - Benefits

Deborah Lewis

Senior Instructional Designer

Jeri Rease

Client Development Manager, Federal Services | USACE

Peter Veenstra

Director of Data Governance

Mani Dileep Reddy Penthala

Construction Inspector I

Sarjil Sajjad

Assistant Project Manager

Aaron Steigerwalt

Senior Environmental Engineer

Paige Swanson

Information Security Architect

John Prutsman

Executive Coach

Sarah Napolitano

Human Resources Business Partner

Catherine Stewart

Change Management Consultant

David Gudiño-Chausse

Geotechnical Staff Engineer