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Mack Defense names president, CEO

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It’s official. After serving as interim president and CEO of Mack Defense LLC in Upper Macungie Township since September, David Hartzell has been tapped to fill the post.

Mack Defense LLC, a wholly owned subsidiary of Mack Trucks Inc., is responsible for the sale of Mack Trucks and Volvo Trucks and parts to all federal- and ministerial-level customers globally.

According to a release, Hartzell joined Mack Defense as director of engineering in 2015 and became senior director of product development, purchasing and projects in 2017. He joined Mack Trucks as a staff engineer in 1988.

He was chief engineer for electrical and electronic engineering beginning in 1998 before becoming director of product planning in 2003 and director of product development in 2005.

Hartzell has a bachelor’s degree in electrical engineering from Penn State University.

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Stacy Wescoe

Stacy Wescoe

Reporter Stacy Wescoe has her finger on the pulse of the business community in the Greater Lehigh Valley and keeps you up-to-date with technology and trends, plus what coworkers and competitors are talking about around the water cooler — and on social media. She can be reached at stacyw@lvb.com or 610-807-9619, ext. 4104. Follow her on Twitter at @morestacy and on Facebook. Circle Stacy Wescoe on .

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