The Real Estate Business Institute (REBI) is an affiliate of the National Association of REALTORS®. Formerly the Council of Real Estate Brokerage Managers, the organizational name change was approved in May 2015 to better reflect how our business has evolved. This has included expanding our portfolio of offerings to the REALTOR® community. Our outstanding credentials are rooted in exceptional learning experiences with practical course content to improve your business operations, impact profitability and raise the bar on professional development – whether or not you are an agent, broker, manager, or team leader. Designations Certified Real Estate Brokerage Manager (CRB) Seller Representative Specialist (SRS) Certifications Certified Real Estate Team Specialist (C-RETS) Real Estate Negotiation Expert (RENE)