Eld. Julius Sealy

Outside Sales Little Rock

Nick Maurer spent 5 years in Electrical Distribution as an outside salesman in the Little Rock Market. He recently joined the Tubbesing team in Arkansas as an Outside Sales Executive and is looking forward to a new opportunity to grow the customer base in Little Rock. Raised predominantly in STL, Nick mainly enjoys bodybuilding and spending time with his wife Kirsten and 3 year old daughter.

Dr. Bertram Jones

Business Development

Jeff Mangrum joined our Oklahoma team in 2020. He studied environmental science at Rose State and engineering at OCCC. Jeff is a 20 year electrician working primarily in the oil and gas industry. As part of our business development team, Jeff works hands on with distributors, contractors and end users to insure their clients have the best solution and information for their critical power needs. Jeff lives in Oklahoma City with his wife Sonja and their 3 children.

Dr. Natalie Greaves

Inside Sales – OK

Caleb Staff graduated from TCU in 2018 with a B.S. in Engineering with an emphasis in Mechanical Engineering. He has recently joined the Dallas Team as Inside Sales Engineer, and looks forward to growing within the company. A native Texan, Caleb enjoys playing sports, fishing, and being outside.

Amanda Maestas


Amanda Maestas joined TSC in 2008 after earning a B.G.S. in Psychology from the University of Kansas. Amanda’s primary responsibilities include accounting. Her interests include reading and watching college basketball. Amanda and her husband live in Austin.

Michael Johnson

Inside Sales – DFW

Michael Johnson graduated from TCU in 2018 with a B.S. in Engineering with an emphasis in Mechanical Engineering. He joined the Dallas Team in 2019 as an Inside Sales Engineer, after working as a security consultant. Nebraska born, Michael enjoys skiing, golfing, and traveling.

Andrew Zampierin

Inside Sales Engineer/Account Executive

Andrew Zampierin graduated from TCU in 2011 with a B.S. in Engineering with an emphasis in Mechanical Engineering. He has joined the team after working as an engineer with DP Engineering. Andrew is responsible for working with each account executive to help ensure that the best solution is being proposed. Andrew is married with two children.

Curt Herge

[vc_row][vc_column][vc_column_text]Account Executive

Curt Herge started as an intern with Tubbesing before joining the team after graduating from TCU in 2011 with a B.S. in Engineering with an emphasis in Electrical Engineering. Curt grew in knowledge and responsibility and is now focusing on building and maintaining relationships within the Dallas construction community.[/vc_column_text][/vc_column][/vc_row]

Patrick Hurley

[vc_row][vc_column][vc_column_text]Account Executive[/vc_column_text][vc_column_text]Patrick Hurley graduated with a Bachelor’s degree in Business Administration from the University of North Texas in 2004. Patrick joined Tubbesing in 2016 after 10 years of data center sales experience with both APC and Graybar Electric. Patrick is a member of both AFCOM and 7×24 local chapters. Patrick enjoys spending time with his wife and two children, his interests include sports, fishing, swimming, and travel. [/vc_column_text][/vc_column][/vc_row]

Heath Wilson

[vc_row][vc_column][vc_column_text]Account Executive[/vc_column_text][vc_column_text]Heath Wilson graduated with a BS in Industrial Distribution from Texas A&M University in 1996. Heath joined TSC in 2012 after 10 years in electrical distributor sales. Additional experience includes sales for Square D and Cutler Hammer. A native Texan, Heath has lived in Dallas for 10 years. Heath is married with two children.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text][/vc_column_text][/vc_column][/vc_row]