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Executive Management

Smart, strong, dedicated

Bret England

CEO & President

As President and Chief Executive Officer, Bret leads the CallTower team in delivering integrated best-of-breed communication solutions.

Bret has more than 25 years of experience as a senior financial and operational manager and investor. Prior to CallTower, Bret worked in senior, domestic and international, financial and operational roles at Symantec, Informix, Alta Vista, Portal Software, NetManage and JDA Software. Bret has also assisted several technology companies in various CXO and board positions and as an investor through England Consulting and Capital Group. He started his career as a Certified Public Accountant working for KPMG and Deloitte & Touche.  Bret has significant experience with all aspects of mergers and acquisitions and has been involved in over 50 transactions in excess of two billion dollars.

Bret has a Bachelor of Science in Accounting Weber State University, has a Master of Science from Golden Gate University and has completed Stanford Business School’s Executive Education program.

Email: bengland@calltower.com

William Rubio

Chief Revenue Officer

William Rubio holds the position of Chief Revenue Officer at CallTower, providing a visionary perspective to the company-wide sales and business development of this organization. He is an innovative executive with a diverse background in both engineering and sales. Through his pioneering approach to the UCaaS sector of the industry, William has anchored CallTower’s position among the industry’s top solution providers. He brings over 20 years of diverse experience in telecommunications, IT, and Cloud.

Prior to CallTower, William was responsible for leading EarthLink’s Nationwide Hosted Voice rollout in the channel/partner community. He also served as the Vice President of Sales at STS Telecom and has held multiple leadership roles at companies such as AT&T and XO Communications. William has a technical, in depth knowledge of VoIP, Cloud, channel solutions, wholesale, IT, and operations.  He brings this knowledge to the market along with a passion for strong partnerships and quality solutions.

Along with his extensive experience in the Technology industry, William also spends a considerable amount of time doing Charitable work. This includes participation in fund raising events, awareness programs, recreational, and educational events for Creative Children Therapy, Villa Leon Academy, United Cerebral Palsy, and a board member at A Child is Missing.

Email: wrubio@calltower.com

Jason Ulm

VP, Product & Customer Success

As VP of Product & Account Management, Jason is responsible for CallTower’s post-sale customer experience and overall product strategy. Jason takes a lead role in CallTower’s Customer Success Program to ensure our customers have a world-class experience. Jason guides the selection and solution development of CallTower’s products. In addition to account management and products, Jason is also responsible for CallTower’s Solutions Engineering team.

Jason has over 20 years of telecommunications experience and over 10 years of executive leadership. Prior to joining CallTower Jason was the VP of Sales at Appia Communications which was acquired by CallTower in early 2018.

Email: julm@calltower.com

Brandon Watts

Chief Technology Officer

Brandon connects people through technology as CallTower’s Senior Vice President of Technology and Chief Technology Officer. He develops and delivers technology solutions with competitive advantages.

Brandon has been at the forefront of technological innovation in the telecommunication and IT industries for 27 years. During his tenure, he has been a leader in developing and providing Cloud Hosted IVR and Call Routing systems, which have successfully processed over a billion customer calls. His products have allowed clients to meet customer needs quickly and with few errors.  His systems achieved an up-time greater than 99.999%. Brandon also designed and developed a multinational network and cloud solution, linking retail locations with corporate headquarters and allowing for secure real-time data collection and storage. Brandon has not only surpassed client needs in the private sector, he has led efforts for Government agencies. In providing them with an integrated solution, he reduced processing times on millions of government documents.

Email: bwatts@calltower.com

Shawn Hansen

VP of Finance

As the Director of Finance, Shawn is responsible for all financial activities and supports employees’ desire to continually improve, learn and grow, so the company can be known for its expertise.

Shawn is a Certified Public Accountant with extensive experience in accounting and finance. Shawn joined CallTower from Public Accounting in the audit practice of Ernst & Young. Shawn has extensive experience with accounting and finance processes, procedures and controls as well as financial statement preparation and presentation.

He holds both a Bachelors and Masters of Accountancy from Brigham Young University.

Email: shansen@calltower.com

Martin Call

Senior Director, Client Services

Martin joined CallTower’s Logistics team in 2014. His innovation and leadership skills were apparent, and he advanced swiftly to the Senior Manager of Support and Logistics. Martin held an essential management role during CallTower’s 2018 acquisition of Appia Communications, undertaking the responsibility for a seamless operational transition. In his new role, he will lead all post-acquisition initiatives within client onboarding, services provisioning, technical support and logistics.

Email: mcall@calltower.com

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