Architect, Hellmuth, Obata and Kassabaum (HOK), San Francisco, CA, c. 2008. At HOK, Mendler became a nationally-recognized expert in sustainable design and construction. She co-authored the widely read book, “The HOK Guide to Sustainable Design" in 2006. Partner, Mithin, Incorporated, Seattle, WA, 2012- ;

The American Institute of Architects (AIA) considered Mendler an expert in environmental/sustainable design, and made him a contact for the media to consult on this subject (c. 2008).