Stephen "Steve" Heneveld is a former, one-time storyboard artist for Gravity Falls.
Heneveld graduated from the Kendall College of Art and Design, and soon after graduating, moved to California with his wife.  He first worked as "a freelance storyboard artist working on live-action commercials, features and shorts." He has worked for various programs, including Penguins of Madagascar, in which he was part of a team that won an Emmy for their work.
Heneveld currently resides in California with his wife and daughter, and is working as a director for DreamWorks Animation.