Chris Williams is a Principal and Vice President of the firm. He serves as Regional Manager for the Mid-Atlantic Region with responsibility for more than 115 employees, as well as handling a large and diverse client-base in both public and private sectors. Chris is also a member of McMahon’s Board of Directors.

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Chris has been involved in transportation engineering and planning since 1991 with an emphasis on the interrelationship between land use and multimodal transportation. He has conducted numerous traffic engineering assignments and traffic planning studies, while also assisting a number of municipalities providing traffic engineering review and support services. Chris regularly provides expert witness traffic engineering testimony, as well as transportation-related presentations to a variety of professional and community organizations. 

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Chris has established and continues to establish himself in volunteer and leadership roles within several professional associations.  These roles have included Vice Chair and Chair of the Board for the Transportation Management Association of Chester County (TMACC), Chair of the Board for the TMACC Foundation, and volunteer professional service on several committees through the Chester County Planning Commission and the Chester County Economic Development Council.  Chris also volunteers his time to support STEM activities with elementary school students to inspire future generations of engineers. He has been instrumental in developing the McMahon Gives Back program, which allows the firm and our employees to “pay it forward” through involvement in local communities.

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Chris also volunteers coaching his sons’ baseball teams, as well as serving in volunteer and leadership positions for the Cub Scouts and Boy Scouts of America.  When time allows, Chris enjoys spending his free time boating and fishing at the New Jersey shore with his family and dog.