STAFF

Get to know us.

Who We Are

John Volk

Founder
John Volk

Founder

John Volk has been in the traffic control industry for many years. Officially establishing Work Zone Traffic Control in 2004.

In his spare time he enjoys his lakeside get away cabin, his family and his hunting trips, both native & exotic hunting expeditions.

Colton McCabe

Safety Leader
Colton McCabe

Safety Leader

Jay Blumenstock

President
Jay Blumenstock

President

Jay grew up in California, he started in the industry in 1993, he relocated to Colorado in 2021, he enjoys spending time with family and friends.

Trenton Karle

Denver Branch Manager
Trenton Karle

Denver Branch Manager

Trenton Karle is the Branch Manager for Denver, CO. Raised in Pueblo, CO Trenton spread his wings and ventured off to Arizona for 7 years!

After moving to Denver, CO from Buckeye, AZ he started his career with Work Zone Traffic Control.

In his free time he enjoys motocross, football, camping, fishing and all the finer things Colorado life has to offer! He also enjoys spending time with his pups and the enjoyable times with his family and friends.

Mike Harris

Regional Operations
Mike Harris

Regional Operations

Mike has been doing traffic control for over 20 years, He works hard and enjoys sharing his knowledge with the younger generation,

In his spare time he enjoys restoring and collecting vintage stereo components.  His favorite pastime is watching over his (4) Grandchildren.

David Ranney

Pueblo Branch Manager
David Ranney

Pueblo Branch Manager

David has been with Work Zone for 14 years. His hobbies include playing golf, hunting and working on cars. He also enjoys spending time with his family and friends.

Josh Manor

Colorado Springs Branch Manager
Josh Manor

Colorado Springs Branch Manager

Derek Robinson

Sign Crew Manager
Derek Robinson

Sign Crew Manager

Derek was born and raised in Pueblo West, Colorado and is still located there. In his free time, he enjoys hunting, fishing and the outdoors with friends and family.

Casey Lohrmeyer

Office Manager
Casey Lohrmeyer

Office Manager

Casey has grown her roots, born and raised in Pueblo, CO. She has been with the company for over 10 years and strives to continue the legacy her father built in the company.

In her spare time she enjoys camping, horses and family time!

Charlett Warren

Human Resources
Charlett Warren

Human Resources

Charlett is from Durango, CO. She relocated to Colorado Springs in 2019. Charlett holds a bachelor’s degree in marketing and her master’s in human resource management. In her spare time, she enjoys spending time with her family. She has 2 children and 2 grandchildren.

Lexy Medina

Accounts Payable Coordinator
Lexy Medina

Accounts Payable Coordinator

Lexy is responsible for all payable functions within the company.

When she is not at work or buried in homework, she can be found loving on her pup, at the gym, or lost in a book.

She also loves spending her free time with her nieces and nephews and exploring all that Colorado has to offer.    

Nona Manchego

Accounts Receivable Specialist
Nona Manchego

Accounts Receivable Specialist

Nona was born and raised in Pueblo County.  She married her husband Jerry in 2011 and became a stepmother of 2 and shortly after had 2 children of her own.
In her spare time, she enjoys working with her livestock, putting on bull ridings and spending time with her family and friends.

Amanda Bengtson

Controller
Amanda Bengtson

Controller

Amanda, a Pueblo County native, has held a few leadership accounting roles before joining Work Zone and holds a Bachelor of Science Administration with an emphasis in Accounting from Colorado State University – Pueblo.  In her spare time, she can be found crafting, camping, or cheering on her 5 kids at their sporting events.

Jayde Rein

Billing Coordinator
Jayde Rein

Billing Coordinator

“Jayde was raised in the small town of Fowler and moved to Wetmore in 2021. She enjoys spending time on the ranch where she lives interacting with all the animals. She also enjoys spending time with family and friends. In her free time, she likes being outside, long walks, and crafting.”