Mark W. Fuller is president and CEO of WET, a fountain and water feature design firm in Los Angeles, California. The experiential water features designed by his company can be found at landmarks around the world.

WET, also known as WET Design, is a water feature design firm based in Los Angeles, California. Founded in 1983 by former Disney Imagineers Mark Fuller, Melanie Simon, and Alan Robinson, the company has designed over two hundred fountains and water features using water, fire, ice, fog, and lights. It is known for creating The Dubai Fountain, the world's largest performing fountain, along with the 8-acre Fountains of Bellagio. It has designed features in over 20 countries around the world, in North America, Europe, Asia and the Middle East.