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Geoff Humberstone

Geoff Humberstone

President

Geoff has over 50 years of experience in high vacuum, has a BS and M.Met.E in Metallurgical Engineering from Cornell University. He Started MHV in 1981, and has a wide engineering background covering the vacuum field from coating and processing to vacuum system design. Within the vacuum and blower industry, Geoff is considered an authority within the industry and has published numerous papers on vacuum and blower system design and applications. Previous to starting MHV, Goeff worked for Magna Donnelly and Optical Coating Laboratories.

Darel Roorda

Darel Roorda

Engineering, Technical Support and IT

Darel has 25 years of engineering expertise in the vacuum pump and blower business. Darel works in product and part design and application engineering. He has specifically worked with extending pump life and system performance optimization. In addition to his engineering and IT duties, Darel assists in quotations and orders planning and oversees the ISO programs. Previous to MetHiVac he held engineering positions with Litton Industries and The Pella Corporation. Darel has a BSME from Iowa State.

Dave Milliman

Dave Milliman

Inside Sales, Customer Support and Manufacturing Engineering

Dave earned a bachelor degree in manufacturing engineering from Western Michigan and has has seven years of vacuum and blower experience. Dave works with customers in pump selection, remanufacturing project scope and parts selection. In addition, Dave improves plant floor efficiency. Previously he worked in numerous operational functions including quality and manufacturing engineering for Western Michigan corporations including Stryker and Buhler.

 Scott Wieczorkowski

Scott Wieczorkowski

Operations Manager

Scott has over 25 years of operations experience in service, repair, remanufacturing and manufacturing within the vacuum pump and blower industry. Throughout his career he has managed machining, metal forming, painting, welding, assembly and service operations. In addition, Scott has developed unique filtration products for vacuum systems and has received his formal education from Ferris State University.

Kristy Young

Kristy Young

Administration and Logistics

Kristy, brings over 15 years experience within the compressed air industry. Kristie facilitates work flow and performs purchasing duties. She also coordinates the receiving and shipping functions. Kristy has an Associates Degree at Davenport University.

Sally Moeller

Sally Moeller

Finance and HR

Sally’s experience spans over 25 years of broad financial acumen. Prior to MHV, she worked for 18 years in various positions within Haworth Inc., including treasury department. Sally has developed a number of sound commercial terms programs and is also responsible for P & L reporting and analysis. In her HR management role, she is responsible for on-boarding, payroll and benefits administration. Sally has a bachelor's degree in finance from Davenport University.

Jeff Marshall

Vice President

Jeff is responsible for planning and business development. Prior to MHV, Jeff has held senior positions in sales, marketing, M&A, strategic planning and international business where he has established global footprints with Honeywell, Viking Pump, Fortune Brands, W. R. Grace and Tuthill. His expertise is in industrial controls and fluid dynamic products for the process industries. Jeff has dual degrees in Chemistry and Biology from West Chester University and a ChE from Grace University.

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