National Geographic

"We are happy to be using your materials in our Brainworks book. It has been a pleasure working with you and I look forward to being in touch again soon."

Review of Ophthalmology Magazine

"Mark is a very valuable resource to us, both for the finished product and for his insights and suggestions."

AllAboutVision.com!

"Mark Erickson of JirehDesign.com is a master of detail and accuracy. His vivid graphics help consumers visiting our web site comprehend... eye conditions and surgical procedures."