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Our Firm

Every day, we apply scientific & engineering principles to solve the world's challenges - starting with yours.

What We Do
ny-pavilion-worlds-fair-1964
World's Tallest Buildings 6 in top 15
Embassies for which we have provided protective design 100+
Navies that rely on our testing and analysis 5

About Us

Thornton Tomasetti optimizes the design and performance of structures, materials and systems for projects of every size and level of complexity. We are an independent organization of engineers, scientists, architects and other professionals who collaborate from offices worldwide to help you achieve your goals. We are committed to being a sustainable, diverse and enduring organization and the global driver of change and innovation in our industry.

Thornton Tomasetti Foundation Courtesy Engineers in Action
Thornton Tomasetti Foundation

The Thornton Tomasetti Foundation, a tax-exempt, 501(c)3 organization established in February 2008, is focused on funding fellowships, scholarships and internships for undergraduate students and those planning to pursue graduate studies in building engineering, design or technology. It also provides financial support for individuals and organizations pursuing philanthropic activities related to building engineering, design or technology. 

Employee Network Groups

We are committed to building a culture in which people from diverse backgrounds can come together, collaborate, experience a sense of belonging and thrive throughout their Thornton Tomasetti career journeys. Our employee network groups (ENGs) play an important role in engaging our people by ensuring diverse perspectives are heard, facilitating employee networking and career development, and building community. Our ENGs provide avenues for connection, psychologically safe spaces for authentic conversations, and opportunities to learn and grow together.

Women@TT

Women@TT, our women’s employee network group, strives to achieve gender equity at Thornton Tomasetti by promoting awareness, providing support and driving culture.

Mosaic

Mosaic, our multicultural employee network group, raises the visibility of underrepresented groups within the AEC industry, aids recruitment and retention of staff of all backgrounds, promotes cultural awareness, fosters and broadens professional networks, and provides opportunities for advancement.

Spectrum

Spectrum, our LGBTQIA+ employee network group, promotes an inclusive workplace community and advocates for lesbian, gay, bisexual, transgender, queer/questioning, intersex and asexual (LGBTQIA+) employees.

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Leadership

We tend to grow our own: Most of our top executives have been with the firm for decades and have deep ties with our clients and the professional community. Our leaders are employee-shareholders of the firm and no shareholder holds more than 6% of outstanding shares. To ensure an infusion of diverse experience and fresh thinking, we also hire many mid-career professionals, and seek and cultivate young candidates from across the globe.

Click here to view our executive leadership.

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Community Commitment

We believe that making an impact tomorrow means being a leader of change and innovation not just for our company, but for our entire industry and the communities where we live and work.

Our commitment spans a wide range of pro bono and philanthropic work -- from our founding of the ACE Mentor program, to supporting a local food bank, the STEM education of young girls, or sharing our expertise with disadvantaged communities.

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Affiliations

To help shape the rules that make our world safer, more effective, and healthier, we play a critical role in working and standards groups in our industry and at the industry-academia-government interface: