Meet Our Team

Drew Wallis

Director of Sales & Education

Drew Wallis grew up in Farmington, AR and graduated from the University of Arkansas in 2010 with a Double Major in Communication and International Relations. After graduation, he became a licensed teacher and has over 8 years experience teaching educational technology and computer science. Besides emerging technology and education, Drew has a passion for science fiction, drumming, and kayaking. He currently lives in Fayetteville, AR and calls the Hogs on a semi-frequent basis. Drew Cofounded NWA3D in 2015.

Joshua Van Vleet

Director of Operations

Joshua Van Vleet grew up in Garden City, KS where he was able to pursue his interests in advanced science and technology as a home schooler. Joshua has over 6 years of managerial experience and 5 years of self employment experience. Besides being an avid tinkerer and maker, Joshua loves to fly drones, network, and dissect things to see how they work. He currently resides in Fayetteville, AR with his wife and their three daughters, who are also home schooled. Joshua Cofounded NWA3D in 2015.

Tim Caffrey

Engineering and Marketing Specialist

Tim Caffrey grew up in Albuquerque and holds a bachelor’s in Mechanical Engineering from the University of New Mexico. He began operating industrial 3D printers in 1992 while working at Boeing. More recently, Tim was a consultant on industrial 3D printing and a principal author of the Wohlers Report, the well-respected annual state of the 3D printing industry report. He has 25 years of technical and marketing writing experience. Tim and his wife live in Fayetteville, AR. They have three adult children.

Topher McPherson

3D Printer Technician

Topher McPherson grew up around Monterey Bay, CA. In 2004, he graduated high school and immediately entered the work force. Topher has over 10 years of customer service and managerial experience. He spends his free time dabbling in various technologies and participating in Amtgard, a medieval fantasy combat reenactment organization. Topher currently lives in Bentonville, AR with his wife and their dog, Jubilee.


Derek Ratchford

Associate Teacher

Derek Ratchford grew up in Marshall, AR. He attended the University of Central Arkansas where he earned both his Bachelor of Science in Economics and Masters of Arts in Teaching. Derek has been working for the the Springdale School District for the past three years as certified teacher and is currently the EAST Facilitator at Sonora Middle School. When he is not teaching and learning about new technologies, Derek enjoys getting outdoors through hiking or canoeing with his family. Derek and his wife currently live in Springdale, AR with their three children.