AACE International's Technical Subcommittees are specialized groups focusing on various functional areas such as cost estimating, planning, and scheduling. These subcommittees are open to anyone interested in joining, with a straightforward process for participation. Each subcommittee, such as Asset Planning & Management, Building Information Modeling, and Claims & Dispute Resolution, has its own chair and technical board liaison, and they aim to develop best practices, share knowledge, and address current industry trends and challenges. The subcommittees cover a wide range of topics, including contract management, cost engineering, data science, risk management, and productivity. Their objectives include formalizing techniques for accurate cost estimation, establishing methods for effective project management, and promoting the integration of advanced technologies in the engineering and construction sectors. By fostering collaboration and knowledge sharing among professionals, these subcommittees play a crucial role in enhancing the overall effectiveness and efficiency of cost management practices within the industry.