The International WELL Building Institute™ (IWBI™) announced today that CBRE Group, Inc., Hines, and Lendlease are among leading global developers collaborating with IWBI to deliver WELL Portfolio™, a new cost-effective, existing building portfolio certification pathway within the WELL Building Standard™ (WELL). This new pathway will reward a commitment to ongoing enhancements to existing buildings, with specific focus on policies, programs, procurement guidelines, and plans that can be applied across a portfolio of buildings.