Karina Williams

Karina Williams oversees the financial management of the firm. She works closely with the executive team to shape fiscal strategies and policies in alignment with overall business goals. With over a decade of financial leadership experience, Karina has led high-performing teams and driven initiatives in budgeting, forecasting, investment analysis and mergers and acquisitions. Prior to joining Thornton Tomasetti in 2025, she was CFO for Veolia Water Technologies and Solutions’ North America region as well as for its global projects and mobile water services treatment business units.