London, ON:

Port Huron, MI:

The SIGMA Team

Donnia Burton

Donnia Burton

CSR/Office Assistant

Donnia is the newest member of our administrative team. She helps to ensure that SIGMA’s office runs smoothly, and supports customers on their client journey from beginning to end. Donnia also supports SIGMA’s testing and assessment services, providing everyone with the tools and information they need. Donnia is always available to support clients with questions as they use our products and navigate our online platform.