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Our Experienced Team

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John Christophersen 

International Sales Manager

John brings over 40+ years of experience with Deister Concentrator, and is well known and highly respected in the mineral and mining industries. He brings extensive knowledge with concentrating tables, heavy media cyclones, classifying cyclones, column flotation, heated screening and hydraulic classifiers.  John is a graduate of Michigan Technological University with a Bachelor of Science in Metallurgical Engineering – Mineral Dressing.

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Connor Ruby

General Manager

As the newest edition to the team, Connor has been with Deister since 2021.

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Josh Nordman

Plant Supervisor

Josh has been with Deister Concentrator since 2007.  He holds an Associate Degree in Computer and Electronics Engineering Technology from Indiana Institute of Technology.

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Laércio Albuquerque 

Director of Business Development

Laércio Albuquerque joined the Deister Concentrator team in 2016 as Director of Business Development. He holds a Bachelor of Science degree in Mining Engineering from the Universidade Federal de Permanbuco, Brazil, and a Master of Science degree in Mining and Earth System Engineering from the Colorado School of Mines with 30+ years in mineral processing.  Laércio worked at plant operations and is experienced in equipment sales, strategic development, and equipment start-ups.

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Jennifer Schweitzer 

CFO

Jen has been with Deister Concentrator since 2010.  She holds a Bachelor of Science degree in Accounting from Indiana University.

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Nicole Bowers

Executive Assistant

Nicole Bowers, Executive Assistant, has been with Deister Concentrator since 2014.  She holds a Associates Degree in Business Administration from Ivy Tech Community College.

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Kristin Powell

Administrative Assistant

Kristin has been with Deister Concentrator since 2019.  She holds a Bachelor degree in Communications from Ball State University.

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