Services Team

Brian Graff
Service Director

Brian Graff graduated from Grand Canyon University in 2014 with an MBA. He proudly served 11 years in the Navy where he worked on the electronics of the F/A 18 Super Hornet.  In 2011 he joined Schneider Electric and worked as a field service engineer. In 2014 Brian joined TSC Services bringing his technical knowledge of UPS's and power systems. He is happily married with 4 children.  Along with spending time with his family, Brian enjoys hunting, fishing, and BBQ. 

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Leah McCann
Service Executive Account Manager North Texas/Arkansas/Houston

Leah McCann joined TSC in 2014 B.A. in Interdisciplinary Studies with a minor in Business, a minor in Psychology, and a minor in Biology. Leah provides superior customer service, expertise in preservation/protection of your assets, and efficient management of your mission critical facilities. Specializing in data centers, hospitals, ISD's, universities, & government sites. She is crazy about her Husband and toddler, loves her two dogs like children, active in her church, sports, and traveling.

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Randal Fuller
Project Manager

Randal Fuller came to Tubbesing Services in 2013. Prior to joining TSC Randal was self-employed and performed surveillance for many different companies. Randal handles all projects that require a project manager. Randal can help you with project timelines, startups for products, commissioning and final acceptance. He enjoys playing sports, donating his time to church and spending time with his family. Randal is married with three kids and lives in Aubrey TX.

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Mike Farrell
Senior Mechanical/Electrical Service Technician

Mike Farrell came to Tubbesing Services in 2012. Mike has been involved in the critical space industry since 1985 and is a Tubbesing Service Senior Service Specialist. As highly experienced Mechanical/Electrical Technician, who comes to you with over 20 years of experience and a track record of successfully using tools, computer software to repair & maintain machinery, and mechanical equipment.


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