Meet the Team


SLI’s instructors hold the most respected certifications in the networking industry. To enable our instructors to be true experts in their field, we have developed an instructor specialization program. Each instructor is assigned as the resident expert for a specific technology area and is responsible for enhancing the existing curriculum to best fit the needs of our customers. By having such focus, our instructors excel in training delivery and development.

Cisco technical instructor

Russell Hughes

Cisco & Arista instructor

Best Concert I’ve Been To:
Prince & Pink Floyd

Favorite Place I’ve Been:
Galway, Ireland

Favorite Sports Team:
Nebraska Huskers

“Russell is a great instructor. He involved the class throughout the course and never hesitated to provide deeper explanations whenever there were questions. He also did a great job showing feeling and excitement rather than just dictating a course from a script.”  – Brett, Systems Engineer

Cisco contact center instructor

Mark Wilson

Cisco instructoR

Biggest Accomplishment:
The fact that I have such a great family and great friends speaks more for me than anything else
Favorite Movies:
The Philadelphia Story
Favorite Place:
The top of the Tooth of Time watching the
sunrise with my kids

“Mark is very knowledgeable and engaging with the way he runs the class. Amazing work as always!!!”  – Ian, Systems Engineer

Cisco technical instructor

John Gardner

Cisco instructoR

Hobbies Outside of Work:
Playing keyboard and guitar/Hiking and camping with my son

Favorite Sport:

Biggest Accomplishment:
Becoming a father

Very knowledgeable and understood the product very well. Could answer questions and understood a lot of the other technology around the products.” -Brian, Systems Engineer

Cisco collaboration technical instructor

John Meersma

Cisco instructoR

Favorite Sports Team:
Dallas Cowboys

Hobby Outside of Work:

Favorite Movie:
Top Gun

“John is probably the best instructor I have seen over my 20 years in IT training. He is very knowledgeable and passionate about his job. Two thumbs up!!!!” Tad, Systems Admin

Cisco wireless technical instructor

Dennis Nofsinger

Cisco & CWNP instructoR

Favorite Place He’s Been:
Disney Vero Beach Resort in Vero Beach Florida

Hobbies Outside of Work:
Mountain bike trail riding and Acoustic/Electric Guitar

Favorite Movie:

“Dennis did a good job of using his experience to show how the principles he was teaching could be used in the real world. He took his time and explained the concepts behind how the wireless environment works and how the Cisco products work to help manage that wireless network.” – Paul

Cisco contact center instructor

Mike Keutzer

Cisco instructoR

Hobbies Outside of Work:
Working on cars, keeping bees, tractor-time

Favorite Movie of All Time:
Blazing Saddles

Best Concert I’ve Been To:
Grateful Dead
Rainbow Theater, London, 1981

Mike is the best instructor I have had to this day. He really broke the material down so you could get the whole picture.  I appreciate the opportunity to come and learn and I am for sure this will help launch my career.” – Nicholas, Network Operations

Bruce Wilkinson

Cisco instructoR

Favorite Place I’ve Been:
Tae Kwon Do-I’m a third-degree black belt

Favorite Part About Working for SLI:

If I Won the Lottery Tomorrow, I Would:
Go home first class

The instructor, Bruce, was wonderful and extremely helpful. The class was MUCH more than I thought it would be. Great course, fantastic instructor, and I loved the way the labs were written in a human aspect. ”   – Christine, Systems Engineer