Alwedad Contracting Co. Ltd

Email:,     Jeddah: +966 12 6914410,     Riyadh: +966 11 2884155

Gareth Vaughan

President & CEO

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B.S., Mechanical Engineering, University of Texas – 1981; Professional Engineer (PE) 1996; LEED® Accredited Professional (LEED® AP BD+C) – 2006

Mr. Gareth Vaughan is the President and CEO of Allen + Shariff Engineering. He holds a B/SC in Mechanical Engineering from the University of Texas and is a registered Professional Engineer as well as a LEED Accredited Professional. As the visionary entrepreneur of ASC, his ingenuity, hard work and perseverance created and sustained over twenty-eight years a successful, growing business. 

Mr. Gareth Vaughan has over 38 years of experience in design, quality control, and project management of building mechanical, electrical, plumbing and fire protection (MEP/FP) systems. His area of specialty is the design of HVAC systems, including high performance buildings, energy management and control systems for medical facilities, data centers, corporate headquarters, educational facilities, multifamily housing and justice facilities. Mr. Shariff’s responsibilities include HVAC system selection and design, specifications, energy studies, writing design guidelines, value engineering, complete inter-discipline coordination and quality control.

ALWEDAD Contracting Co.