Ben Sibley


Don Mattox

Don MattoxFollowing three years of military service, Don, father of three moved to Boone from Charlotte and completed his Masters in Education in 1977. He is a veteran of the fitness business and was a gym owner for many years.

After several years in the real estate business and a few years of retirement Don was introduced to CrossFit. Falling in love with the training, the support, but mostly the sense of community, Don decided to again get into the fitness business with the opening of CrossFit Postal.

“I have learned to surround myself with good people and listen to them.”  Don sees his role as marketer and promoter of the community aspect of CrossFit.

His favorite saying is “I love this stuff!”

Ben Sibley

Ben Sibley
Coach Ben started doing CrossFit in October of 2009. Since there were no CrossFit boxes in Boone, he spent his first 3+ years doing mainsite workouts in App State’s campus gyms or in his basement. He attained his Level 1 Trainer certificate in 2011, his CrossFit Kids certification in 2013, and his Level 2 Trainer certification in 2014

Ben teaches in the physical education teacher education program at ASU, he has a PhD in Exercise Science, and is an NSCA Certified Strength and Conditioning Specialist (CSCS). He enjoys working with athletes of all ages and ability levels.

Beth Sibleybeth

Beth has always been a lover of exercise and started doing CrossFit in August 2013.   When Beth began attending CrossFit classes she really loved the way the athletes encouraged each other during the WODs and the strong sense of community she felt at the box. This prompted her to get her L1 in 2014.  Beth also helps run CrossFit Postal’s Kids’ program.  She is passionate about health and nutrition and sees the importance in teaching children, including her own two kids, about living a healthy lifestyle.  Beth has been with CFP since it opened in 2014.  She is married to Coach Ben and they love being a part of the Postal community.

When Beth is not at the box, she is working at Watauga High School or running her kids to their various activities.


Damon Flinchum


Damon got involved in athletics at an early age. He played football, ran track, and power lifted in high school. When he graduated  he needed a new athletic outlet and found CrossFit which led him to get his L1 in June of 2014. Since then he has gone on to get his USA Weightlifting certification and has targeted the classic lifts in his training, though he still WODs 3-4 times a week. He is a full time student at Appalachian State currently studying Exercise Science: Strength and Conditioning. “I love our box and its atmosphere so if I am not studying I’m there. Let’s get better together. ”

A CrossFit Box in Boone, NC