Major clients include: Associated Press, Reuters, Getty Images, Verizon Wireless, AT&T, Adidas Golf, General Mills, UC San Diego, Footlocker, CNN, USA Today, Turner Broadcasting, New York Times, Surfer's Journal, Red Bull, General Motors, The American Medical Association and CNBC.
Denis' published works have been featured in national and international publications including: Newsweek, French "Photo" Time, Rolling Stone, Los Angeles Times, Wall Street Journal, Sports Illustrated, Washington Post, ESPN Magazine, National Geographic Kids, San Diego Magazine, and Life.