Mr. Tingley brings more than 23 years of operations and corporate finance leadership to his role as Chief Financial Officer of Colliers Engineering & Design. He oversees the full scope of the firm's financial operations, from planning and analysis to reporting, strategy, capital allocation, working capital management, and compliance. He also serves on the firm's Executive and 401k Committees. 

David’s career has been shaped by progressive leadership roles across both public and private companies in the engineering, construction, aerospace and defense, software development, and outsourced services industries. Most recently, he served as Vice President of Finance and Assistant Corporate Secretary at T.Y. Lin International, following senior positions with AECOM, Amentum, and URS. That depth of experience across the AEC industry and beyond gives him a sharp perspective on the financial strategies that support sustained, disciplined growth. 

David is a licensed CPA who began his career in public accounting. He holds a bachelor's degree in business from the University of Maryland's Robert H. Smith School of Business and a bachelor's degree in history from the College of Arts and Humanities.