GMC LLC was founded in 2012 by Chris Lackinger and Kai Mahnke with the goal of bringing together
a team of highly qualified and hand selected experts with extensive operational experience
speak our clients’ language and understand their problems based on own experience.

Chris is a senior executive with nearly three decades of proven successful leadership in the global steel industry.  His career demonstrates his ability to create the vision and implement strategies in start-up as well as turn-around operations. His broad experience includes general management, operations and technology, maintenance, project management and business development.

He oversaw numerous highly successful projects in the US and Europe which included large-scale plant and production line construction as well as revamps. It is his passion working with diverse cultures across all levels of corporations and projects to drive teams to outstanding results.


Kai is a senior executive with proven leadership success in manufacturing firms in the US, China, Germany and Brazil, highly experienced in optimizing global resources, generating significant cost savings and promoting innovative solutions in complex environments.

He is specialized in start-up and turn-around operations and offers broad experience including general management, strategic planning, manufacturing, information technology and business development.


We ensure that the expertise of our team is tailored to the needs of your project.

We can help you navigate cultural differences and traditions with stakeholders that can impact negotiations, the construction process, hiring, and, ultimately, your bottom line.

We take care of staffing, managing and deploying the team and ensure that your project goals are met.

Our concept allows our clients to focus on their core business and maintain a lean organization, while GMC provides experts and know-how to cover peak demands and permanent services according to our client’s needs.

Our network includes experts in

  • Production/Maintenance
  • Ramp-up and Project Management
  • Business Process Management
  • Auto/OCTG Qualification Support
  • Industrial Engineering
  • Basic and detail design for civil/equipment engineering
  • Automation L1/L2
  • Laboratory and Testing
  • Field Tech Support