In recognition of the outstanding contributions Ronnen has made to the Cool Roof Rating Council (CRRC). Nominations for this award were solicited from the CRRC membership, and the award designation was determined by a CRRC Board Committee. The organization recognized the many years he has dedicated to serving on the CRRC Board as an ex-officio member, as well as his participation in the Technical Committee and working groups. Nominators noted his exceptional tenure with the organization and tireless advocacy for strong scientific and technical methods.