Staff & Coaches

NGTC Coaches at 2016 Olympic Trials

NGTC team coaches at 2016 Olympic Trials and National congress in San Jose, California.

If you would like to be part of a rapidly growing, positive & exciting atmosphere, call, email or fax your resume to us today!  

Positions currently open include:

Opening for:  Recreational Gymnastics Coach(es)

Head Optional Coach

J.O. Level 2 & 4 Coach

J.O. Team Director

Tina Stinson
Founder / Owner

Married for more than  23-years, Tina and her husband began their careers as the co-founders of the famous Portland Golf Show in 1993.  At one point growing it into the largest all-golf retail show west of the Mississippi.  Later, they assisted with the formation of the Seattle Golf Show, and also created the Eugene Golf Show in 1999.  In 2002, Tina and Eric sold the shows, along with their production company Avanti Promotions, and founded SecurePro Technologies, LLC.

A thriving electronic security business today, SecurePro grew into one of the regional leaders in access control, video surveillance and intrusion alarms for the industrial, commercial, government and (now) residential markets.  In 2008, it was time for Tina to put her mind for business to work with her passion, kids!  It was this passion that created NGTC!

As the owner of NGTC, the gym has grown from just 7 gymnasts in 2008, to what you see today.  And the future looks very bright!  Look for her around the gym as nobody spends more time at NGTC than Tina.

Tina’s favorite place to visit is Yellowstone National Park.  She has spent roughly 20-weeks in the park since their youngest of 3-children was born.  She has become recognized as a bit of a Yellowstone Wolf expert, by even some of the locals.  A passion for life, Tina is just a pleasure to spend time with!


Eric Stinson
Director of Gymnastics

Eric was the Director of Golf / Head Men’s and Women’s Golf Coach at Portland State University for 10 years. He started the Women’s Golf Team, and later earned 2-time NCAA Coach of the Year.  He works with the NGTC girls and other athletes on the mental game, overcoming mental blocks, goal setting, acheiving personal bests and helping create “Habits…for a lifetime!”   

He is also responsible for putting the “serious training” into NGTC.  As Director of Gymnastics, Eric oversees the competitive programs and ensures the coaches have the latest tools and training aides to assist them in doing there  jobs.  He also set up the continuing education program at NGTC.  This program gives coaches and athletes alike an opportunity to expand their knowledge of gymnastics skills, enhance their technique as coaches / teachers /  students, and study each of team gymnasts skills using enhanced video methods and more.

In addition to sports psychology, Eric has a degree in marketing.  He oversee’s the marketing / advertising at NGTC as the Marketing Director.  Co-Founder of the Portland Golf Show, Eric loves to think big, and expects his athletes and coaches to do the same.

Eric enjoys spending time with his and Tina’s three kids, hunting, fishing, hiking the Pacific Crest Trail, and their german sheppard Apollo & Oliver.

Charlie Harrell
Director – Boys
Recreational Coach


A tremendous asset to the NGTC family,Charlie joined Northwest Gymnastics in the Fall of 2014.  Previously, Charlie was the Level 3 Compulsory Coach at Precision Elite Gymnastics, along with assisting Xcel.  At NGTC, Charlie is building a boys program from the ground-up, ensuring that form, technique, strength and flexibility are all correct.

A native of Iowa, Charlie  moved to the Portland area to attend college at Lewis  & Clark College where he received his degree in psychology.  He enjoys spending time with his girlfriend and the outdoors!  

A former competitive gymnast, Charlie is a welcome addition to the NGTC Coaching family.  He is always a favorite among the gymansts that have the pleasure of being coached by him.  Charlie is currently leads several recreational gymnastics classes throughout the week, including Saturdays.  Excellent with girls and boys, we hope to have Charlie a long time!

Eric Stinson, Jr.
XCEL Team Director
Head Coach

You may also see him in the office from time to time.   We also owe most of the great signage, posters and behind the scenes work at NGTC to EJ!

EJ also started our Xcel program.  His teams have performed well in the 5+ years they’ve been around.  This years teams have grown to the point that he has added an assistant coach.  He just completed a trip to the USA-Gymnastics Olympic Trials, meeting many of the gymnasts and compiling over 14 hours continuing education in San Jose!

A private pilot, EJ is often in the skies overhead flying fixed wing aircraft.  He also enjoys hunting, fishing, camping and other local sports!  He owns White Wolf Graphics, the company that does all of the logo’d merchandise, clothing, and the website for NGTC and many other local sports organizations and companies.



Kate Olvera
Recreational Coach

Kate returns to NGTC, a gym she spent her entire career as a gymnast, but this time as a coach.  A cheerleader at Gresham High School, Kate is an excellent student and is exceptionally well liked by all that know her.

Kate had solid skills as a gymnast, and is now proud to teach the next generation of gymnasts.    We are very happy to have Kate back in the gym!

Marjorie Stanwood
JO Team Assistant Coach

Marjorie is a graduate of David Douglas HS and OSU.  Having earned a Bachelors of Science in Education and Behavioral Sciences, she has taught gymnastics for over 10 years, including preschool aged children through the Girl’s Junior Olympic Team levels. Recently, Marjorie managed both the preschool and recreational programs at another gym, and more recently was a compulsory team coach the past 6 years.

 A former gymnast, Marjorie also enjoys snowboarding, hiking, camping and spending time with her daughter and husband.

 Marjorie began work at NGTC on January 4th, 2016.  Her primary duty is Assistant Coach Compulsory, Level 3 Team.

Sarah Stinson
Xcel Team Assistant Coach

Sarah is a retired NGTC JO gymnast.  Having competed up to Level 8, Sarah was the Floor, Beam and All-Around Oregon State Champion as a Level 7 in 2013.  A student of gymnastics her entire life, Sarah is now one of NGTC’s Xcel Team Coaches, as the Head Coach for Bronze and Silver.  Sarah assists with Gold and Platinum teams also.

Sarah is currently in college where she is studying to become a doctor of veterinary medicine.


Rec Clas w CoachesAPPLY TODAY & be a part of this great team!

  NGTC is looking for quality experienced coaches.  Our quality programs are quickly expanding and we are currently looking to add to our outstanding list of certified professional coaches.  If you believe you have the passion and desire to help kids create healthy habits and improve gymnastics skills, we encourage you to drop us  a line or stop-in during             business hours to speak with us about opportunities we currently have.