The Technology Business Management (TBM) Council is a nonprofit business entity dedicated to advancing the discipline of TBM through education, standards, and collaboration. TBM connects business value to technology investments by giving finance, technology, and business leaders comprehensive visibility, benchmarking, optimization, billing, and planning of their investments regardless of technology stack, delivery, or development model. The TBM Council provides best practices for leaders to leverage so they can react quickly to changing market dynamics and optimize cloud and agile strategies to deliver on business objectives.
https://www.tbmcouncil.org/get-involved/membership/