William Tao & Associates is a multi– discipline consulting engineering firm providing professional design services to the construction community for more than 50 years.

Founded by William Tao, IES Fellow, Professor and Author, William Tao & Associates continues a long tradition of lighting expertise and innovation.

WTA Lighting Design draws from a foundation of diverse lighting venues and applications including:

Academic, Corporate, Civic, Sports & Hospitality, Interior, Exterior, Historic, Daylight Harvesting, Lighting Control and Custom Lighting Applications.

Our lighting designers are formally trained in the art and science of both lighting and architectural design.

We are sized to meet the needs of both large and small projects and look forward to helping you resolve your lighting challenges.


Steven T. Andert  P.E., IALD,
MIES, LEED AP BD+C
Senior Vice President, Lighting  &  Electrical Engineering Services