Our Team

Rich Rohn – Principal/Sales Director

A dynamic self-starting individual with over 23 years of experience in the Machine Tool Industry. Corporate Management Executive experience responsible for 35 team members, 6 distributors and 21 million dollars in yearly sales.

Able to review machining requirements, initiate machine concepts and relay these concepts to engineering for final development of required machine.

Fidia Co. – President/General Manager
Sharnoa – Engineer/Service Manager/ VP

Nick Merrifield – Principal/Technical Director

A highly focused technical professional with 20 years of experience and an extensive background in the Machine Tool Business including;

  • Technical Management
  • High Speed Milling Applications
  • Mechanical / Electrical
  • Customer Satisfaction
  • CNC / Drives
  • 5-Axis Milling Applications

Goals are set and accomplished utilizing a broad background in various technologies and skills.

SST/Makino – Lead Technical Engineer

Anna Smith – Executive Administrative Assistant

20+ years’ experience in the corporate environment, customer service and office management.


Matt Rizkallah

Sales Manager with 10+ years of Machine Tool sales experience. Background in 5-Axis, Vertical, and Horizontal machining centers. Maintaining the Eastern Michigan Sales Territory.

Fabio Corradini

National Sales Manager / Electronic Technician for 14+ years, expert in Fidia and Siemens CNC, electric and electronic troubleshooting, expertise in Aerospace and 5-axis application. Managing subsidiary for: Jobs Inc., as General Manager and FPT USA, as General Manager.

Kurt Kowalak

sales experience. Specializing in all aspects of Wire, Sinker, and High Speed Small Hole EDM machining as well as High Speed/Hard Die machining applications for the Automotive, Aerospace, and Medical industries.

Tim Cremeans

Sales Engineer with 2 years as a Service Coordinator and 8+ years in the Metrology side of Service work using the Renishaw and HP Interferometer Laser systems. Experience with setting up and light usage of Faro Trackers.

Mark Lynn

Sales Engineer with over 12 years sales experience in the Machine Tool Industry. A customer focused sales professional responsible for the West Michigan Sales Territory.

Barbara Lewis

Inside Sales Manager with 20+ years’ experience with a background in sales, project management, accounting, customer service, global business activities, and office management.

Andria Hinkins

Sales and Marketing with 17+ years’ experience in sales, marketing, customer service and project management.


Rob Mazur

Applications Manager with 16+ years of experience in automotive and aerospace industries, with a background in programming and machining various types of material such as aluminum, Invar and steel. Experience includes high speed five-axis milling. Controls experience includes Heidenhain, Fanuc, Fidia, and Siemens.

Brian Jennings

Lead Applications Engineer with 17+ years of experience in the Automotive and Aerospace Industries, with a background in process improvement, programming, design, 3 and 5 –axis features, surfacing and solids in AutoCAD, Catia, MasterCAM, Solidworks, Smirt DieNC, Tebis, and WorkNC.

John Cariveau

Applications Engineer with 4+ years of experience in Automotive and Aerospace industries, with a background in machining various types of material such as aluminum, Invar and steel. Experience includes high speed five-axis milling. Controls experience includes Heidenhain, Fanuc, and Siemens.

Service / Parts

Mike Johnson

Service / Parts Manager with 8+ years of experience in machine repair. Fanuc and Heidenhain control background, Electro-mechanical. Proficient in key areas needed to assist in managing the Merrifield Machinery Solutions Service Department. Excels in customer relations, people management, and real life problem solving which allow effective and efficient navigation through even the most difficult of situations.

Cathy McAtamney

Parts Coordinator with 20+ years of customer service experience and 1+ year of parts ordering experience. Associates degree in Business Administration. Background as a Construction Specifier, specializing in product and material research.

Service Technicians

Bernie Stimmel

VP of Metrology, Technically focused with a strong background in Electrical Design and Optoelectronics. With his degree in Electronic Engineering combined with his experience in Optics, Bernie is one of the most respected Metrologists in the industry today.

Mark Merrifield

Senior Service Engineer with 28+ years’ experience with CNC machine tools. Heavy mechanical & electrical troubleshooting and repair. Extensive experience with large machine geometry and accuracy related activities. 10 years’ experience as a fixture builder and tool maker.

James Moody

Senior Field Service Engineer with 33+ years’ experience in the CNC Machine Tool Service business.

Bill Bugosh

Senior Field Service Engineer, over 30 years’ experience in mechanical and hydraulic systems repair.

Ryan Mead

Field Service Technician, with 10+ years’ experience in electro–mechanical repair. Strong machine installation experience.

Brandon Mooney

Field Service Technician, with 10+ years’ experience in machining and repair. Advanced electrical, hydraulic, pneumatic and mechanical systems troubleshooting. Experience with Fanuc, Siemens and Fadal controls.

Joe Farris

Field Service and Applications Engineer, 8+ years’ experience on CNC and EDM equipment, skilled in EDM and Waterjet machines, as well as electronic and mechanical troubleshooting.

Art Murray

Spindle and Head Rebuild Manager, 7+ years’ experience in Head Repair, Fanuc control background, Electro-mechanical.

Alan Michael Vandiver

Field Service Technician. 4+ years’ experience in head repair, Fanuc control background, electro –mechanical repair.

Austin Rohn

Field Service Technician, 3+ years’ experience in the CNC equipment industry.


David Banks, MBA, MSM

Controller with extensive experience leading organizations in the areas of finance, operations, and strategic planning with a progressive track record of success in achieving profitable growth, both in the US and internationally. Demonstrated ability in implementing corporate strategies by leading process improvement efforts, resulting in significant bottom line results and positive cash flow. David’s hands-on approach has proven successful in both large and small companies.

Deiaidra Kelly

Senior Accountant with 20+ years’ experience, responsible for managing payroll, accounts payables and receivables. Workers compensation reporting and general audit reporting.


Paul Sienkiewicz

Purchasing Manager with over 20+ years’ parts management and service manager experience. Purchasing multiple parts and supplies. Business owner for 8 years. Background in automotive performance.


Personal Support for Your Manufacturing Operation!

We help our customers make sound capital investments, control costs, and extend the life of equipment to meet production demands. Contact us today to see how we can help.

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