With more than 24 years of professional practice, Jeffrey is a registered architect in California, Arizona, Washington, Nevada, Oregon, Idaho and New York and is also NCARB certified. Jeffrey is a nationally recognized speaker with appearances at ULI, PCBC (Pacific Coast Builders Conference), The International Solar Conference, NAHB, and the Seaside Institute. He has also served as a juror for the Gold Nugget Awards, The Elan Awards, The Nationals, and the MAME Awards. Jeffrey is published in numerous national, regional and local newspapers and magazines, including Builder Digest of Northern California, Builder Magazine, and California Builder.

Jeffrey served as the 2005 President of PCBC (Pacific Coast Builders Conference), and was the first architect to be chosen for that esteemed role. He is in his tenth year serving on the PCBC Board of Directors and on the Gold Nugget Awards Advisory Committee. Other membership affiliations include: