Our Team

Our people thrive on the challenge to excel in any environment. We are dedicated on designing, manufacturing and providing the most reliable, safe and hazardous proof products for our customers. Our commitment to technology and quality is the basis for our competitive advantage, and our customer service is our greatest strength.

We begin working everyday committed to manufacturing and distributing the best safety telecommunications equipment and additional enhanced ruggedized product lines to our customers, and ensuring the safety of others. Our determination to produce superior profits is the platform for our future independence of action and growth.

We hold ourselves to the highest standards and emphasize the importance of integrity in all we do. We believe that ethical standards are essential to the growth, health and long-term sustainability of our company and our customers.

Executive Team

  • Grant Reeves President & CEO

    As President and CEO of Circa Enterprises, Mr. Reeves is responsible for executing the Company’s strategic growth plan, operational effectiveness and overall financial performance. He has developed a strong team and culture that values creativity, responsiveness and accountability as a corporate strength. Under Grant’s leadership, Circa has completed two acquisitions and modernized its manufacturing equipment to increase capacity and market reach. With Circa’s acquisition, Guardian Telecom has the resources to support a global supply chain with best-in-class products and service.

  • Cory Tamagi VP Finance & CFO

    Cory Tamagi is the Vice President, Finance and Chief Financial Officer of Guardian Telecom and its parent company, Circa Enterprises Inc.

    Mr. Tamagi is a financial executive with 25 years’ experience, the majority as a senior financial officer. He has held executive positions in publicly traded and private businesses in telecommunications, manufacturing, real estate and transportation & logistics.

  • Dieter Gmeinder VP Operations

    Dieter Gmeinder is VP of Operations at Circa Enterprises Inc. where he is responsible for the day-to-day operations at Circa Enterprises Inc and Guardian Telecom. Dieter has been with Circa for over 13 years. During this time, he has been involved in supply chain, production planning, inventory control and quality. Dieter and his team are focused on delivering a first-class product on time.

Sales Team

Operations Team

U.S. Channel Support


Coming soon…

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