1,600 people in 24 cities living 4 values for 1 goal:
To use design to help our clients succeed.

We create exceptional environments that meet our clients' most complex design challenges.

We inspire people through our work by expressing timeless cultural, organizational and personal values.

We connect people and place with ideas that come from many minds and imaginations.

We care about serving our clients, enriching lives, improving communities and protecting our natural environment through design.

We are a global architecture, design, engineering and planning firm.

60+ Years of Design + Innovation

Tom Kaczkowski AIA, IESN, LEED® GA

Director of Lighting Design

+1 314 754 4299


Tom Kaczkowski

Tom Kaczkowski, AIA, LEED GA, is HOK’s director of lighting design.

Tom’s goal is to create lighting solutions that provide the most appropriate visual environment for the client’s specific tasks, activities and budget. His interior and exterior lighting design solutions are architecturally appropriate while maximizing energy efficiency and remaining sensitive to long-term maintenance issues.

How does lighting design contribution to sustainability in a building?

“We’re very conscious of the amount of energy produced from light sources, the overall environmental footprint. For most buildings, 20 to 40 percent of the energy consumption is from lighting. Our goal is to deliver the optimal amount of light with the least amount of energy.”


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University of Illinois at Urbana-Champaign
Master of Architecture
Bachelor of Architecture