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HNTB's Overview

Total employees7401
HeadquartersKansas City
Founded1914

HNTB Corporation is an American employee-owned infrastructure solutions firm that plans, designs, and delivers a wide range of infrastructure projects. Founded in 1914, HNTB specializes in architecture, engineering, planning, and construction management for transportation (highways, bridges, aviation, transit, rail, tolling), water, and federal markets. The firm is committed to delivering innovative and sustainable solutions that connect communities, enhance mobility, and drive economic growth across the United States.

Where is HNTB's Headquarters?

HQ Function

The headquarters directs national operations, corporate strategy, and central functions including finance, human resources, legal, IT, and marketing, providing support to all regional and project offices.

Notable Features:

A modern office facility designed to promote collaboration and innovation, equipped with advanced technology to support HNTB's diverse engineering and design activities. Specific architectural details are proprietary but focus on an efficient and inspiring work environment.

Work Culture:

HNTB's headquarters fosters an employee-owner culture emphasizing collaboration, technical excellence, client satisfaction, and integrity. It's a dynamic environment driven by a shared commitment to impactful infrastructure projects.

HQ Significance:

Kansas City is HNTB's founding city, making the headquarters historically significant. It symbolizes the firm's enduring presence and leadership in the American infrastructure sector for over a century.

Values Reflected in HQ: The headquarters' design and operations reflect HNTB's core values: delivering quality work, fostering innovation, promoting collaboration among employee-owners, and a steadfast commitment to client service and community impact.

Location:

HNTB's operations are primarily focused within the United States, with numerous offices nationwide. While they do not maintain a widespread network of international offices, their expertise in complex infrastructure projects, such as major airport design, tolling systems, and bridge engineering, is recognized globally. They may collaborate on international projects or with international firms when specialized expertise is required, but their core service delivery is to U.S. based clients.

Street Address:

715 Kirk Drive

City:

Kansas City

State/Province:

MO

Country:

USA

HNTB's Global Presence

New York, NY/USA

Address: Empire State Building, 350 Fifth Avenue, 58th Floor, New York, NY 10118

To provide comprehensive planning, design, and program/construction management services for significant infrastructure initiatives in New York and the Northeast region.

Chicago, IL/USA

Address: One South Wacker Drive, Suite 900, Chicago, IL 60606

To address the diverse infrastructure needs of Chicago and the surrounding Midwest states, enhancing mobility and supporting economic development.

Los Angeles, CA/USA

Address: 601 West Fifth Street, Suite 900, Los Angeles, CA 90071

To support California's dynamic growth and infrastructure renewal efforts by providing specialized engineering and planning services for large-scale projects.

Atlanta, GA/USA

Address: 1100 Peachtree Street NE, Suite 1000, Atlanta, GA 30309

To deliver innovative infrastructure solutions that support the growth and connectivity of Atlanta and the Southeastern United States.

Buying Intent Signals for HNTB

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of HNTB

As of April 2025, HNTB' leadership includes:

Robert (Rob) Slimp, Jr. - Chairman and CEO
Thomas J. (Tom) O’Grady - Corporate President, Chief Operating Officer
Douglas E. (Doug) Mann - Chief Financial Officer and Executive Vice President
Michelle Graham - Chief Legal Officer and Executive Vice President
Lydia Grose - Chief People Officer and Senior Vice President
Diana Mendes - Corporate President, Infrastructure and Mobility Equity
Ronnie Hakim - East Division President, Senior Vice President
Gretchen Ivy - Central Division President, Senior Vice President
Chris Ward - West Division President, Senior Vice President

Investors of HNTB

HNTB has been backed by several prominent investors over the years, including:

HNTB is an employee-owned company. Its 'investors' are its employees through an Employee Stock Ownership Plan (ESOP).

Executive New Hires/Exits in the Last 12 Months

Hire4
Exits1

Over the past year, HNTB has strategically reinforced its leadership team with key appointments and promotions. This includes new Division Presidents for its West, East, and Central regions, and the promotion of a new Chief People Officer, reflecting the firm's commitment to growth, talent development, and effective succession planning.

Departures

John Friel, John Friel retired from his role as Central Division President after a distinguished career with HNTB.

New Appointments:

Gretchen Ivy, Gretchen Ivy was promoted to Central Division President, succeeding John Friel.
Chris Ward, Chris Ward was appointed as the new President of HNTB's West Division.
Ronnie Hakim, Ronnie Hakim was appointed as the new President of HNTB's East Division.
Lydia Grose, Lydia Grose was promoted to the role of Chief People Officer for HNTB.

Technology (Tech Stack) used by HNTB

Discover the tools HNTB uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

HNTB Email Formats and Examples

HNTB commonly uses an email format consisting of the employee's first initial followed by their last name. While other formats may exist within the organization, this is the most prevalent pattern.

flast@hntb.com

Format

jdoe@hntb.com

Example

85%

Success rate

News and media

HNTB NewsApril 2, 2024

HNTB News: Gretchen Ivy, PE, named HNTB Central Division president

HNTB announced the promotion of Gretchen Ivy, PE, to Central Division president. She will lead client service and project delivery for 17 states, succeeding John Friel who retired....more

HNTB NewsMarch 12, 2024

HNTB News: HNTB and DBE partners receive National Recognition Award for DFW Airport Terminal C work

HNTB and its Disadvantaged Business Enterprise partners received a National Recognition Award from ACEC for their collaborative work on Dallas Fort Worth International Airport’s new Terminal C high C gates....more

HNTB NewsFebruary 20, 2024

HNTB News: HNTB welcomes Stephen Collins as National Practice Consultant for its National Toll Practice

Stephen Collins, PE, PTOE, CMCA, joined HNTB as a national practice consultant for its national toll practice, bringing extensive experience in tolling and transportation....more

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