Desmond Mathiasz

Desmond Mathiasz

Desmond Mathiasz | Account Manager | Technology Solutions

Grandville, MI | 616.301.6361 | Email
Service Areas | Business development, information systems and technology, cybersecurity, managed IT services and managed networks

Dez’s primary focus is providing clients with managed security solutions. He has been named as a subject matter expert for cybersecurity, serving organizations with the best quality of service. As a senior account manager, he is not limited to only focus on security solutions, he is well-versed and experienced in delivering technology of all sorts to different industries, to help steer them in the best direction to accomplish their business objectives.


Prior to joining Rehmann in the spring of 2019, Dez had nearly 25 years of technology experience, serving West Michigan clients for over 17 years. Dez was previously an employee of Trivalent Group, which combined with Rehmann in 2018. His consultative approach has enabled him to build strong, long-lasting relationships with his clients and peers alike. He has held positions as an outside sales representative, product manager, and a sales engineer for a leading technology integrator for 16 years. His knowledge and expertise have helped many clients achieve their objectives and successfully manage large projects through to completion.

A Closer Look
  • Dez is involved in his community, serving as a church volunteer, where he helps outreach centers who serve over 500 families with their technology needs.
  • Dez has presented at many technology tradeshows on VoIP technology, audio visual and collaboration technology solutions.
  • Dez was born and raised in Sri Lanka, where he started his career in technology as an outside sales representative for NEC Singapore.

Meet The Rehmann Team

Start typing a name ...
Searching for "{{nameQuery}}"...
Start typing an experience ...
Searching for "{{experienceQuery}}"...
Start typing a location ...
Searching for "{{locationQuery}}"...
Or view a list of team members

get rehmann expertise to drive your business in your inbox every week