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Joseph E. Farrè, President

   Mr. Farré is the founder of Sigma Engineering Solutions, Inc., and brings more than 30 years of experience in the management, design, and construction support of major structures and civil engineering projects throughout the United States.  He has served as an associate vice president of one of the largest Civil Engineering firms in the nation, and he brings experience as both a public and private sector employee assuring that the project solutions are focused on meeting the needs of our clients and their projects. Mr. Farré has designed over 150 structures including continuous span steel and concrete bridges on curved alignments, major cut-and-cover tunnels, numerous retaining wall types, parking decks, sound barrier walls, and other miscellaneous highway structures.

  Mr. Farré’s design and field experience include projects ranging from earthquake-damaged structures, nuclear plant demolition, to large-scale tunnel demolition and other exciting and unique demolition experience.  He has worked closely with Agencies, Private and Public Owners, the California Energy Commission, and other review agencies to successfully deliver both engineered plans and field support of large and mid-sized demolition projects throughout the United States. Mr. Farré has applied his past experience in advanced design and seismic analysis to lead the demolition industry in the development of new engineering analysis and demolition techniques to improve the level of APS safety and productivity of numerous demolition projects. Mr. Farré is proud to serve as a member of the Nevada Task Force 1, U.S. Urban Search and Rescue Team as a structural specialist.

Meet The Team

Since Sigma has first been in operation, its team of skilled engineers has performed comprehensive civil, structural, and traffic engineering services associated with projects constructed at a cost of over $1.8 billion for private sector clients and public works clients at all levels of government.


Gene Carrow

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Chief Operating Officer

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Daniel Brown

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Tennessee Division Director /

Senior Project Manager


Juan Aguiar

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Senior Project Manager


Service is an integral part of Sigma’s business philosophy and professional practices. Our dedication to service assures that our clients receive the quality responsiveness that they deserve.  This focus on customer service is consistently applied throughout all areas of our business operations in order to ensure that our client experiences the highest level of service and responsiveness throughout every phase of the project.


Amir Naejii

Project Engineer


Mohammed Islam

Project Engineer


Tri Pham

Project Engineer


Sigma’s commitment to quality is integral to every aspect of our technical, business and professional operations.  This is demonstrated through our interaction with our clients, commitment to our technical operations, and a dedication to the professional development of the people that we work with and to the communities that we serve.


Bogdan Preda

Engineer I


Jeff Iddings

Engineer I


Kyle Solloway

Project Engineer


At Sigma, innovation drives progress, yields the most efficient design strategies, and provides creative opportunities for our clients, their projects, and our team members.   Sigma’s approach to innovation takes advantage of time-proven methods and strategies in order to leverage new opportunities to improve designs or efficiencies, reduce costs, and provide better overall products for our clients and their projects.


Midge Hall

Senior Business Administrator


Linda Gustin



Lori Cooper

Executive Administrative Assistant

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