Scott Kriner, president of Green Metal Consulting in Macungie, Pa., and technical director of the Glenview, Ill.–based Metal Construction Association, has completed the requirements of the Washington, D.C.–based U.S. Green Building Council’s Credential Maintenance Program for acquiring the LEED AP Operations and Maintenance specialty title. This specialty knowledge, acquired during the past two years in the CMP, provides Kriner with an understanding of new green-building principles and the LEED ratings for existing buildings. As a LEED AP O+M in good standing, Kriner’s name will be registered with the Green Building Certification Institute in Washington and listed in the LEED Professional Directory on the GBCI website.