Kathi S. Vandel, P.E., IESNA


Kathi Vandel is an alumnus of Kansas State University, where she received a Bachelor of Architectural Engineering degree. She is a registered Professional Engineer and a LEED Professional. Prior to forming her own practice, Kathi was a Vice President for Henderson Engineers in Lenexa, KS. While there, she was a project manager for large retail clients including The Disney Store and Hallmark Cards and lead engineer for complex projects such as Farmland Headquarters and Kansas City Public Library Renovation. She formulated their specialty lighting division where she served as Director of Design prior to leaving to start her own firm.

Since forming LightWorks, Inc. in 2002, Kathi has successfully completed many projects and has earned numerous professional awards throughout her career.

Most recently completed projects include:
Prairie Band Casino – Mayetta, KS
Midcontinent Airport – Wichita, KS
Women's Leadership Fountain Restoration – Kansas City, MO
Legends West Open Spaces – Kansas City, KS
West Edge Development – Kansas City, MO
Private Residence Exterior Lighting – Springfield, MO


Professional Registrations

State of Kansas Professional Engineer; State of Missouri Professional Engineer; LEED Accredited Professional


Professional Affilitations

Illuminating Engineering Society of North America (IESNA), USGBC Member, Platte County Parks Commission

Publications/Engagements

Speaker, IESNA Topeka Chapter, 2009; Speaker, Lightfair, 2007; LD+A Magazine, Lighting the Legends – Weather or Not, November 2007; LD+A Magazine, Thomas H. Swope Memorial Restoration, December 2004; www.colorkinetics.com; Showcase for Missouri Theater, since 2002; Display and Design Ideas Magazine, Updating Exterior Lighting, July 1998; Frequent speaker, Kansas State University Landscape Architecture Department; Adjunct Faculty, Park University, Lighting Fundamentals for Interior Design



Allyson A. Evans, E.I.


Allyson Evans began her career in 1997 after graduating from the University of Kansas with a degree in Architectural Engineering and emphasis in Lighting Design.

Allyson is fluent in computer aided rendering and calculation programs such as AGI, Visual, and Aladin as well as Photoshop. She is also well versed in LEED requirements and documentation for lighting credits. In addition, Allyson has experience working in a manufacturing firm which provides her an understanding of luminaire and reflector design and resulting photometrics. This knowledge allows her to add affordable, custom fixtures to many of her projects.

Prior to joining LightWorks in 2003, Allyson managed multiple large projects while acting as principal lighting and electrical designer.

Notable and award winning projects include:
San Diego Museum of Art Rotunda Renovation – San Diego, CA
The Lodge at Torrey Pines – La Jolla, CA
Sea World San Diego (multiple attractions) – San Diego, CA
Syrrex Pharmaceutical Laboratory – La Jolla, CA
San Diego State University Pedestrian Bridge – San Diego, CA

Most recent projects for LightWorks include:
Three Rivers Children Edutainment Center – Chicago, IL
Stonefire Pizza I and II – New Berlin, WI
Legends West Open Spaces – Kansas City, KS
West Edge Office/Hotel Development – Kansas City, MO
Bartle Hall Expansion – Exterior LEED Documentation – Kansas City, MO
Las Vegas Convention Center – Lighting Energy Analysis – Las Vegas, NV
Qatar Exhibition Hall – Daylight Analysis – Doha, Qatar



Richard "Trey" Wiley, E.I., IESNA


Trey Wiley is an alumnus of the University of Kansas, where he received a Bachelor of Science in Architectural Engineering. Prior to joining LightWorks, Inc., Trey worked as an engineering project manager for several consulting engineering firms in Kansas and Colorado.

While at LightWorks, Trey has performed as project manager on a number of projects, including:
New Terminal Building at Mid-Continent Airport – Wichita, KS
Women's Leadership Fountain – Kansas City, MO
Troost Bridge Redevelopment – Kansas City, MO
Red Bridge Road Redevelopment – Kansas City, MO
Exhibition Center – Doha, Qatar

With 16 years of experience, Trey is responsible for all phases of the design, from conceptual design to construction administration. Designing a lighting system that is energy efficient is important to Mr. Wiley. He has worked on a number of projects currently in design that are pursuing LEED certification. Trey has experience with energy code compliance and documentation including ASHRAE 90.1, and IECC and is proficient with AGI (including calculations and renderings).

Trey has achieved his Professional Engineering License and maintains licenses in Kansas and Missouri. He is a LEED Accredited Professional.

Trey's professional affiliations include Illuminating Engineering Society of North America (IES), where he has served as Section Secretary and Vice President and the National Council of Examiners for Engineering and Surveying (NCEES).

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