Mr. Crawford currently serves as Legislative Consultant to the United States Sign Council and is a licensed attorney in the State of Pennsylvania. A graduate of Drew University and Rutgers Law School, he also provides expert testimony and zoning consulting services related to on-premise signs on behalf of both municipalities and end users through his firm, Mercer Sign Consultants. In addition, Mercer Sign Consultants designs and markets on-premise signs for clients throughout the country. Crawford has been a member of the International Code Council's (ICC) International Zoning & Property Maintenance Committee from 2003 through 2011, and has been a member of the ICC International Energy Conservation / Existing Building / Property Maintenance / Zoning Interpretation Committee from 2008 through 2011. He is the co-author of the Model On-Premise Sign Code published by the United States Sign Council. Crawford has appeared before over one hundred twenty-five (125) Zoning and Planning Boards. His areas of expertise include: sign design, sign construction, sign legibility, traffic safety, on-premise sign research and national on-premise sign standards.

Mr. Garvey's academic background is in psychology, visual perception, and experimental design. He has been designing and running human factors research experiments that explore the interaction between humans and their visual environment for twenty-five years. He recently authored the human factors chapter on signage for the "Handbook of Transportation Engineering" published by McGraw-Hill. Mr. Garvey has also been working with the United Arab Emirates to establish safe and efficient outdoor advertising sign standards. In 2005, he established evaluation techniques for the Society for Environmental Graphic Design to test the comprehension of symbols in multilingual healthcare environments. Related work includes authorship of the Federal Highway Administration's guidelines for changeable message sign visibility as well as the FHWA's Manual on Uniform Traffic Control Devices chapter on community wayfinding signs, and ADA-consistent guidelines for transit signage for the visually impaired for the Access Board. Garvey was instrumental in the evaluation of the Clearview typeface for highway signs. Garvey's expertise in human factors led to his selection as chairman of the National Academy of Sciences' Transportation Research Board's Committee on User Information Systems. He also established TRB's Committee on Advanced Traveler Information Systems. ATIS is TRB's liaison with the International Intelligent Transportation Systems (ITS) community, which is concerned with testing and developing emerging technologies for information transfer between environments and users. In 2004, Garvey was invited to join the National Committee on Uniform Traffic Control Devices' elite Human Factors Resource group, and in June of 2006 he was appointed Chairman of the National Committee's Human Factors Task Force.