Louie has been involved in the indoor industry almost from its very beginnings. He has been shaping holds since the mid '80s and routesetting for a similar amount of time. He has also written two books on routesetting, is very active in online forums and leading in person setting courses. He and his wife also own a large bouldering gym in southern California.
David Filkins created Element Climbing holds in 2008 with his own shapes as well as many other shapes from various freelance shapers. David sold the company in 2019.