SEH Executive and Leadership Team

Sandra Harrilal, the President at SEH, directs the overall corporate strategy and operational execution for the professional services firm. Overseeing the integration of engineering, architectural, and scientific disciplines, the President ensures consistent delivery of high-impact solutions for government and industrial clients. This leadership role involves guiding long-term growth initiatives within the water, energy, and transportation markets. By optimizing organizational performance, Sandra Harrilal directly impacts the firm's market position and financial stability. The President manages high-level relationships with key stakeholders and coordinates cross-functional efforts to address complex infrastructure needs. Through strategic oversight of regional operations, Harrilal drives the expansion of service offerings while maintaining the core values of an employee-owned company. This focus on operational excellence supports the mission of building sustainable communities and resilient infrastructure, ensuring that the firm remains a leader in providing comprehensive professional services across the United States.

Steven Peterson, the President, Seh Design Build Inc at SEH, directs the integrated design-build operations for commercial and industrial building projects. Overseeing the seamless transition from conceptual design to final construction, the President, Seh Design Build Inc ensures project delivery meets rigorous quality and safety standards. This leadership role involves coordinating multidisciplinary teams of architects and engineers to streamline project timelines and reduce client risk. By implementing efficient construction methodologies, Steven Peterson directly impacts the successful completion of complex building infrastructure. The President, Seh Design Build Inc manages client expectations and project budgets, ensuring alignment with the broader corporate objectives of the firm. Through the application of innovative design-build strategies, Peterson drives value for clients seeking integrated solutions for their facility needs. This focus on operational precision and collaborative project management supports the firm's reputation for excellence in delivering high-performance buildings across diverse regional markets.

Bill Kloster, the Chief Information Officer at SEH, directs the digital transformation and technological infrastructure supporting professional engineering services. Overseeing enterprise-wide data security, the Chief Information Officer ensures robust protection for sensitive client information across water, energy, and transportation projects. This leadership role involves architecting scalable cloud solutions that facilitate seamless collaboration among engineers, architects, and planners. By modernizing internal systems, Bill Kloster directly impacts operational efficiency and project delivery speed. The Chief Information Officer manages the integration of advanced software tools that enable precise environmental modeling and complex infrastructure design. Through strategic investment in cybersecurity and digital innovation, Kloster secures the technological foundation necessary for maintaining a competitive edge in the professional services market. This focus on digital excellence supports the broader mission of delivering high-quality, data-driven solutions to government and commercial clients throughout North American operations.

Jackie Zamorano, the Chief People Officer at SEH, drives talent acquisition, employee development, and organizational culture initiatives for the employee-owned firm. Overseeing human capital strategies, the Chief People Officer ensures alignment between workforce capabilities and the evolving demands of the architecture and engineering sectors. This leadership role involves designing comprehensive training programs that cultivate expertise in water, wastewater, and infrastructure planning. By fostering an inclusive environment, Jackie Zamorano directly impacts retention rates and professional growth across the organization. The Chief People Officer manages performance management systems that reward technical excellence and collaborative problem-solving. Through the implementation of robust recruitment pipelines, Zamorano secures top-tier talent capable of executing complex environmental and energy projects. This commitment to human capital development strengthens the firm's ability to provide superior professional services, ensuring that the workforce remains equipped to address critical infrastructure challenges across diverse regional markets.