William Rubio is the Chief Revenue Officer at CallTower, he is an innovative executive with a diverse background in both engineering and sales. Through his pioneering approach to UCaaS, William has anchored CallTower’s position among the industry’s top solution providers. He brings over 25 years of diverse experience in telecom, IT and Cloud.

Current Role: Start Date:

Apr 2013

When was your company founded?


How many years have you been in the channel?

25 years

Is the Channel Leader the highest ranking channel executive in your company?


Who does the Channel Leader executive report to?

Bret England, CEO & President

What are the top services/products sold through the channel:

Native Microsoft® Teams Direct Routing, Microsoft® Operator Connect, Office 365, GCC High Teams Direct Routing, Cisco® Webex Calling, UCM, HCS, Webex Collab Suite, CT Cloud UC, CT Cloud Boost, CT Cloud Meeting powered by Zoom and three contact center options, including Five9 for business customers.

What are your top channel accomplishments:

248% revenue growth since 2015, Partner dedicated with aggressive bonus and residuals commissions that are the highest in the industry, Hosted voice industry pioneer with a 99% customer retention rate

What is your largest channel challenge in 2022?

Acquiring more market share

How much do you expect to grow your channel in 2022?

Grow 10% to 20%

How much do you expect to grow your MDF (Marketing Development Funds) in 2022?

Grow 5% to 10%

What are your top channel goals for 2022?

Build online reputation and continue channel and direct sales expansion

What else should we know about the Channel Leader or Channel Program?

At CallTower our partners are part of our family. We believe that the secret to our
success is treating our partners well, providing great support to their clients and making the relationship financially rewarding.