James B. Balkonis, Vice President


Jim Balkonis is Vice President of Crossroads Mobile Maintenance (CRMM). Joining the CRMM team in 2016 with over 20 years of experience in heavy equipment parts and service leadership. Jim is focused on CRMM operating on the core principles of Safety, Integrity, Passion and Intelligence with one aligned goal to become the customer’s first call in time of need.

Prior to joining CRMM, Jim was District Fleet Sales Manager for Volvo Trucks North America, responsible for developing customer and dealer relationships. In mid-2000, he was employed by Navistar and held various positions within aftermarket support and product development over his 10 plus years of service.

Jim is currently an active member on the Ferris State University Curriculum Advisory Board and a Member of the Truck Maintenance Counsel. In these roles, he demonstrates his passion for educational reform and learning while supporting the organization with guidance for appropriate career paths for students.

Jim earned his Associates in Heavy Equipment Technology and Bachelors of Science in Heavy Equipment Management from Ferris State University. He is currently working on a Masters of Business Administration.

In his spare time, Jim enjoys spending time with his family and dog. He is also an avid hockey player and fisherman.



Rex Parshall, Reed City, MI Shop Service Operations Manager


Rex Parshall is the Service Operations Manager of Crossroads Mobile Maintenance at the Reed City location.  Rex joined Crossroads Mobile Maintenance in 2013 and has nearly 20 years of fleet and equipment parts and service leadership and has amassed nearly 30 years of experience in the automotive industry in whole.

As the Service Operations Manager, Rex is responsible for managing and coordinating the repair and maintenance for light, medium, and heavy-duty fleet vehicles, as well as various types of utility and construction equipment.

The Reed City shop accommodates a fabrication department and an aerial unit remount department that Rex also manages and coordinates.  Rex is also responsible for managing a parts department that supports the Reed City shop technicians, as well as multiple field service technicians throughout Michigan, Indiana, Ohio, and Florida.

Rex earned his Associates degree in Business Administration with emphasis on Accounting at Baker College of Cadillac.

Rex is an avid pro football fan and enjoys spending time with his son.



Bryan Martin, Williamsburg, IA Shop Service Operations Manager

Bryan Martin


Bryan Joined CRMM in 2012 as Parts Manager and has also served roles of Service Manager, for both shop and field, as well as Sales and Marketing Manager for Crossroads Mobile Maintenance’s Iowa Division.

Prior to joining CRMM, Bryan was employed by Acciona Windpower, in multiple quality assurance roles. Bryan specialized in customer satisfaction and brought this experience with him to CRMM, where he strives to produce the best quality service possible.

Outside of work Bryan enjoys spending time outdoors, watching his kids sporting events, and rooting on the Iowa Hawkes!



Jack VanderPloeg, Byron Center, MI Shop Service Operations Manager

Jack Vanderploeg Profile pic


Jack VanderPloeg is Service Operations Manager for the Byron Center, MI Crossroads Mobile Maintenance (CRMM) location; CRMM is a Reed City, MI based heavy equipment parts and service provider, covering the Midwest region.

CRMM leverages 50-plus years of utility experience to find, develop and mentor over 35 shop and field service technicians. CRMM services over 200 hundred public and private energy companies, co-operatives and construction firms. CRMM operates on the core principles of Safety, Integrity, Passion and Intelligence with one aligned goal to become the customer first call in time of need.

VanderPloeg joined CRMM in 2020, with more than 30 years in a service operations role. Prior to joining CRMM, VanderPloeg was a Service Operations Manager for multi-line construction equipment dealer. He was responsible for maintaining their customer and company owned fleets. He also was charged with developing customer relationships. Prior to that adventure VanderPloeg work in the automotive field for 20 plus years in various roles of service and parts management.

VanderPloeg is an active supporter in the Hudsonville Christian School Association and in the Unity Christian Highschool Association. He enjoys spending time with his wife and two boys, fishing and boating.



Mark Nelson, Safety & Technical Training Manager

Mark Nelson Profile pic


Mark Nelson is Technical Training Manager with Crossroads Mobile Maintenance (CRMM). CRMM is a utility focused, full-service provider specializing in utility and construction fleet management and maintenance.

CRMM, based in Michigan, has shop and field capabilities across the Midwest.

 Mark is responsible for the training needs of CRMM employees, technical assistance, special projects, and has safety related positions.

Mark entered the company as a fabricator in 1993 with a well rounded background of excavating, equipment repair, fabrication, pesticide application, and people management. At CRMM Mark has performed various roles in fabrication, design, estimating, mechanical, electric, and hydraulic repair, management, training, technical assistance, equipment acquisition, and safety.

 Mark uses his experience to work with each member of CRMM to steadily grow their knowledge and capabilities. Mark works with vendors, manufacturers, and customers to provide the best possible experience in equipment operation, safety, maintenance, and repair.

 Mark is a member of Ferris State College Heavy Equipment Advisory Board. Mark’s passions are his family, wife, three children and their spouses, and eleven grandchildren.



Matt Bertotti, Marketing & Sales Director

Matt Bertotti profile pic


Matt Bertotti is Director of Sales and Marketing for Crossroads Mobile Maintenance Reed City, Matt’s primary role with Crossroads is to help the team expand their customer base through marketing of CRMM’s offerings and service capabilities.

Matt joined Crossroads in December 2018.  Prior to Crossroads Matt has held positions as a Service Advisor with BMW and District Parts Manager with Mack and Volvo Trucks.  Most recently Matt was District Sales Manager with Volvo Trucks North America covering the Midwest.

Matt holds an Associate Degree of Automotive Service Technology and a Bachelor’s of Science in Automotive/Heavy Equipment Management from Ferris State University.  Matt currently serves on the advisory board for the Heavy Equipment program at Ferris State University.  Matt also serves on the Automotive Service Advisory Board with the Kent Intermediate School District in Grand Rapids, MI.

Matt lives in Hudsonville, MI with his wife and four children.  Matt’s hobbies include traveling, boating the Great Lakes, and spending time with his family.