Thornton Tomasetti Executive and Leadership Team

Peter DiMaggio, the Co-Chief Executive Officer at Thornton Tomasetti, directs the firm's overarching strategic vision and structural engineering initiatives. Focusing on the design and performance of complex building systems, the Co-Chief Executive Officer manages high-level client relationships across the healthcare and sports sectors. Peter DiMaggio drives the integration of advanced materials science into structural projects, ensuring that all engineering outputs meet rigorous safety and resilience standards. By overseeing the firm's North American operations, the Co-Chief Executive Officer maintains alignment between technical excellence and business growth objectives. This leadership role involves constant collaboration with the Board to refine the firm's market position in the competitive engineering landscape. Through the implementation of innovative design methodologies, DiMaggio secures the firm's reputation for delivering high-performance structures that withstand extreme environmental conditions while supporting long-term client success.

Michael Squarzini, the Co-Chief Executive Officer at Thornton Tomasetti, manages the firm's global business development and operational expansion strategies. Concentrating on the forensics and infrastructure sectors, the Co-Chief Executive Officer architects growth plans that leverage the firm's deep expertise in building performance and sustainability. Michael Squarzini oversees the execution of large-scale projects, ensuring that technical teams deliver precise, data-driven solutions for critical facilities and transportation networks. By fostering cross-departmental synergy, the Co-Chief Executive Officer aligns internal resources with the evolving demands of the global construction industry. This leadership role requires constant monitoring of market trends to identify new opportunities for service diversification. Through the strategic management of international partnerships, Squarzini expands the firm's footprint, ensuring that the organization remains at the forefront of engineering innovation while maintaining financial stability and operational efficiency across all regional offices.

Andrew Goldbaum, the Chief Operating Officer at Thornton Tomasetti, directs the firm's internal business processes and resource allocation strategies. Overseeing the daily operations of the engineering and consulting divisions, the Chief Operating Officer ensures that project delivery remains efficient and aligned with corporate quality standards. Andrew Goldbaum drives the implementation of standardized operational procedures to improve productivity across the firm's diverse service lines, including protective design and sustainability. By managing the firm's human capital and operational budget, the Chief Operating Officer supports the execution of complex projects in the commercial and healthcare sectors. This leadership role involves constant monitoring of performance metrics to identify areas for process improvement and cost optimization. Through the strategic management of internal workflows, Goldbaum ensures that the firm maintains its high standards of technical excellence while scaling operations to meet the increasing demand for specialized engineering and scientific consulting services.

Robert Otani, the Chief Technology Officer at Thornton Tomasetti, directs the firm's digital transformation and computational design capabilities. Overseeing the development of proprietary software and advanced modeling tools, the Chief Technology Officer ensures that engineering teams utilize cutting-edge technology to solve complex structural challenges. Robert Otani drives the adoption of automation and data analytics to improve the efficiency of building performance assessments and façade design. By integrating emerging technologies into the firm's workflow, the Chief Technology Officer supports the delivery of high-performance, sustainable building solutions. This leadership role involves constant collaboration with project leads to implement scalable digital infrastructure that enhances design accuracy. Through the application of advanced computational methods, Otani optimizes the firm's technical output, ensuring that all projects benefit from the latest advancements in engineering software and digital fabrication techniques to maintain a competitive edge in the global market.

Jim Dray, the Chief Information Officer at Thornton Tomasetti, manages the firm's enterprise-wide information systems and cybersecurity framework. Overseeing the integrity of data architecture, the Chief Information Officer ensures that all engineering and scientific consulting teams possess secure, reliable access to critical project information. Jim Dray drives the modernization of internal IT infrastructure to support the firm's global operations and collaborative design processes. By implementing robust data protection protocols, the Chief Information Officer safeguards the firm's intellectual property and client data across all sectors, including defense and education. This leadership role involves constant coordination with executive management to align technology investments with long-term business goals. Through the optimization of communication networks and cloud-based platforms, Dray enhances operational agility, ensuring that the firm's technical staff can effectively collaborate on complex, multi-disciplinary projects regardless of geographic location or project scale.