Who we are

Concrete placement

Construction Materials Engineering and Problem Solving

About MJ2 Consulting, PLLC

John Gajda, Matthew D’Ambrosia, and Jonathan Poole formed MJ2 Consulting, PLLC in October 2017 to focus on solving complex problems for clients in the concrete industry.  Mr. Gajda, Dr. D’Ambrosia, and Dr. Poole have extensive expertise in mass concrete planning and analysis, construction troubleshooting, durability and service-life assessment, specialized concrete mixture development, and product development research.

In 2020 began expanding as Mr. Jon Feld joined MJ2 to help our growing mass concrete engineering practice.  Our vision includes adding other experts and we hope to grow in order to meet client needs and expectations.

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Our Services

  • Construction Troubleshooting
  • Mass Concrete Assistance
  • Thermal Control Planning
  • Concrete Mixture Optimization
  • Forensic Investigation
  • New Product Development
  • Materials Research
  • Durability and Service-Life Assessment
  • Specialized Concrete Mixture Development


Our Clients

  • Contractors
  • Material Suppliers
  • Design Engineers
  • Owners/Developers
  • Government Agencies
  • Laboratories


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