• Denver Phone: (303) 946-0124
  • Ft. Collins Phone: 970-658-4028
  • CO. SPRINGS Phone: 719-208-8293
  • Email us: sales@greyhawksigns.com

Meet Our Team


Robert S Alexander

Founder and Co-Owner

Started in the sign business back in 2002.  20 years and going strong.  Purdue Grad.  Cubs Fan. Bears Fan.  Competitive Tennis Player.


Amy Alexander

General Manager and CO-owner

Manager, Mom to a great kid, wife and all around basically in charge of the whole operation.  Loves her Cubs and Avalanche.  Recent Grad of CU Global.  Colorado Native.


Jack Chalk

Operations Manager

Hardest working dude on the planet.  Married with two dogs.  Loves his cars, guns and Broncos.  Colorado Native.  This guy knows more about building signs than anybody I know.



Channel Bender

Teddy Runs the Channel Bender and gives a helping hand anytime he can. Great Athlete, plays competitive football and roots for the Chiefs.




Mignon is the newest member of the crew.  Just bought his first car!



Master Router

Alex is Master of the Router.  Colorado Native.  Loves his cars, guns and Broncos.  Grew up with Jack, they have been best friends for a long time.


London DeGarmo

Senior Graphic Designer

London started as our new Senior Graphic Designer.  London enjoys producing digital illustration.  London is engaged to his college sweetheart and in his free time likes to target shoot and hiking


Tabitha Monteiro

Senior Account Executive

Tabitha is the newest edition to the sales team, yet she has been a part of the industry most of her life growing up in her family’s neighborhood sign shop. A native of Cleveland, Ohio, she recently moved here as her husband perused his dream career at Children’s Hospital of Colorado. They now have a son and dog to complete their family. Tabitha enjoys traveling, hiking, skiing, and spending time with her family at home.



Service Manager

Jason has over twenty years of experience installing signs. You probably couldn’t go two blocks in any direction on a commercial street here in the Denver metro area and not see a sign that Jason has installed. Loves to fish and being in the great outdoors. One of Jason’s favorite hobbies, is yelling at the TV news.


John Hackley 

Although John is not an employee of Greyhawk he plays an important role in our success. John is our business coach and go-to guy when we need advice.