What Does Thornton Tomasetti Do?

Total employees1500
HeadquartersNew York
Founded1949

Thornton Tomasetti is an international scientific and engineering consulting firm renowned for its expertise in structural engineering, building performance, forensics, protective design, and applied science. They partner with clients across various industries, including architecture, construction, real estate, and government, to solve complex challenges and deliver innovative solutions for buildings, infrastructure, and a sustainable future. Their services span the entire project lifecycle, from conceptual design and analysis to construction administration, condition assessment, and forensic investigation.

Where Is Thornton Tomasetti's Headquarters?

Thornton Tomasetti officeThornton Tomasetti officeThornton Tomasetti officeThornton Tomasetti office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central hub for global operations, strategic decision-making, executive leadership, and coordination of its diverse engineering and consulting services worldwide.

Notable Features:

Situated in the historic New York Life Building, known for its gilded pyramid roof. The office interior is likely designed to promote collaboration and innovation among its multidisciplinary teams.

Work Culture:

The HQ fosters a dynamic, collaborative, and intellectually stimulating environment. Employees are encouraged to innovate and contribute to cutting-edge projects, with a strong emphasis on professional development and knowledge sharing.

HQ Significance:

Its location in New York City places Thornton Tomasetti at the epicenter of architectural and engineering innovation, facilitating close collaboration with leading architects, developers, and industry partners.

Values Reflected in HQ: The choice of a prominent, historically significant, yet modernly adapted headquarters reflects Thornton Tomasetti's values of excellence, innovation, sustainability, and a deep respect for the built environment.

Location:

Thornton Tomasetti supports a wide array of functions globally through its network of over 50 offices. These include structural engineering, façade engineering, construction engineering, forensic analysis, condition assessment, sustainability consulting, protective design, transportation, and applied science. Their international offices collaborate on projects, share expertise, and provide localized services to clients across diverse sectors including commercial, residential, cultural, transportation, energy, and government.

Street Address:

51 Madison Avenue

City:

New York

State/Province:

NY

Country:

USA

Where Else Does Thornton Tomasetti Operate Around the World?

London, UK

Address: The Stowaway, 32 Westland Place, London, N1 7LP, UK

Provides localized expertise and support to clients in the United Kingdom and continental Europe, adapting global best practices to regional standards and market needs.

Chicago, IL, USA

Address: 330 North Wabash Avenue, Suite 1500, Chicago, IL 60611, USA

Supports the architectural and development community in Chicago and the broader Midwest region, known for its significant architectural heritage and ongoing development.

Los Angeles, CA, USA

Address: 700 S. Flower Street, Suite 2200, Los Angeles, CA 90017, USA

Addresses the unique challenges of the California market, including seismic risks and sustainability goals, while serving a diverse client base in entertainment, commercial, and institutional sectors.

Dubai, UAE

Address: Office 209, Building 4, Emaar Business Park, Dubai, UAE

Caters to the rapidly growing Middle Eastern market, providing expertise for ambitious and iconic construction projects in the region.

Buying Intent Signals for Thornton Tomasetti

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

Who's Leading Thornton Tomasetti? Meet the Executive Team

As of April 2025, Thornton Tomasetti' leadership includes:

Peter DiMaggio - Co-CEO
Michael Squarzini - Co-CEO
Wayne Stocks - President
Raymond Daddazio - Senior Consultant (Former President & CEO)
Pawel Woelke - Chief Financial Officer
Robert Otani - Chief Technology Officer

Who's Investing in Thornton Tomasetti?

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

Employee-owned firm

What Leadership Changes Has Thornton Tomasetti Seen Recently?

Hire0
Exits0

As a privately held, employee-owned firm, Thornton Tomasetti's executive changes are typically managed internally and may not always be widely publicized unless they represent very senior leadership transitions. Recent public records do not indicate major C-suite hires or exits within the last 12 months. Leadership stability is a characteristic of the firm.

What Technology (Tech Stack) Is Used byThornton Tomasetti?

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

Thornton Tomasetti Email Formats and Examples

Thornton Tomasetti primarily uses the email format combining the first initial of an employee's first name followed by their last name.

F[Last]@thorntontomasetti.com (e.g., JSmith@thorntontomasetti.com)

Format

RLejano@thorntontomasetti.com

Example

90%

Success rate

What's the Latest News About Thornton Tomasetti?

Thornton Tomasetti News • March 7, 2024

Thornton Tomasetti News: Resilience Practice Leader Amy Dalrymple Named ASCE Fellow

Amy Dalrymple, a vice president and leader in Thornton Tomasetti’s Resilience practice, has been named a fellow by the American Society of Civil Engineers (ASCE). This recognition highlights her significant contributions to civil engineering and community resilience....more

Thornton Tomasetti News • February 27, 2024

Thornton Tomasetti News: Thornton Tomasetti Elevates Three to Senior Principal and 11 to Principal

Thornton Tomasetti announced the promotion of three key individuals to Senior Principal and eleven to Principal. These promotions recognize their leadership, expertise, and contributions to the firm's success and growth across various practices and regions....more

Thornton Tomasetti News • October 26, 2023

Thornton Tomasetti News: CORE Studio at Thornton Tomasetti Announces Winners of Second Annual AEC Tech Challenge

CORE studio, Thornton Tomasetti’s innovation lab, announced the winners of its second annual AEC Tech Challenge. The competition aims to foster innovation in building design and construction technology, showcasing cutting-edge solutions from industry professionals and students....more

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