Les Yingling has over 37 years of design and management experience in the electrical construction industry. He has focused his career on creative and innovative lighting systems.  His work can be seen all over Denver, across Colorado and throughout the United States.

Craig Perry has over 11 years of commercial and health care experience and is a licensed professional engineer.  He is responsible for project management, design, and quality control.  He holds a BS in Architectural Engineering from Kansas State University.

Chris Mellinger has over 8 years of experience with a BS and Masters of Architectural Engineering from The Pennsylvania State University.  Responsibilities include project management, design and specification of electrical and lighting systems for commercial, hospitality, and multi-family projects.

Neal Wondel has over 9 years of electrical design and project management experience on lighting, power and special systems for all types of commercial and health care projects.  He holds a BS in Architectural Engineering from Kansas State University and is a licensed professional engineer.

Kevin Yingling has become the newest member of the IES Inc. staff. After graduation

In May of 2005 from the University of Colorado Architectural Engineering program where he focused his studies in the field of lighting, he is looking forward to a career of enhancing architecture thru the use and control of light.

Dianne Yingling has been the Office Manager providing

administrative support for IES Inc. since it’s inception. Her duties were expanded to Chief Financial Officer in 2004 when she took over accounting duties for the company.