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About CallTower

Connecting people everywhere since 2002

Company Culture

Beth in a Phone Booth

At CallTower, our customers matter most!


With the evolution of the telecom industry, CallTower has grown into a hosted unified communications and collaboration solution provider; changing the way people communicate around the world.

Our mission is to enable people to easily connect and get work done.

The support and patronage of our customers gets us out of bed in the morning and inspires us to exceed expectations.



CallTower exists to enable people to easily connect to transact business communications. Since its inception in 2002, CallTower has become a leading provider of cloud-based, enterprise-class Unified Communications solutions for growing organizations worldwide. CallTower provides, integrates and supports industry-leading, cloud-based, Unified Communications and Collaboration solutions, including Cisco® Unified Communications Manager, Microsoft® Skype for Business, CT Cloud Voice, Office 365, Zoom Video Communications and Adobe Connect services for business customers.

CallTower enhances our clients’ strategic and operational capabilities by integrating VoIP service, mobile applications, email hosting, unified messaging, instant messaging, audio, web and video conferencing, collaboration tools, contact center, cloud services and global networks solutions into one reliable platform.



CallTower is a dynamic and growing global unified communications and collaboration leader. We are a dedicated team of action oriented, smart and inquisitive individuals. We value creative, innovative, positive and driven people and are looking for new team members who embody these qualities.

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Meet the people who bring the magic

Doug Larsen

Director of Software Development

Software is artistry and the cure for stupidity. Will work for food or Amazon gift cards. Tortured golf addict. Loyal to a fault. Doer of what is right not easy.

Spirit Animal: Liger “It’s like a lion and a tiger mixed… bred for its skills in magic.”

James Dastrup

VP of Engineering

Since he was 7, James has been building, programming, networking, and all aspects of computer administration with Microsoft, Novell, Linux, VMware, Cisco and more. Prior to CallTower, James worked at American Express, Emdeon, Genesys, and an IT consultant for others.

Spirit Animal: Moth in Relay #70

Jeff Schroeder

VP of Technology

Technology junkie and serial hobbyist who now enjoys being an amateur chauffeur to three busy kids.  Jeff has been in the technology industry now for far more years than he’d like to admit.

Spirit Animal: Coyote

Mark Harris

Voice Network Architect

Loves traveling with his family, and is almost always working on some electronics project.

Spirit Animal: Wolf

Seanna Baumgartner

Director of Marketing

Fanatic idea generator, self-proclaimed life and work junkie. Chips and salsa aficionado. Convivial, buoyant, efficacious marketing collaborator.  She loves hanging out with her people, traveling and making sure nothing worth it, in this short life, passes her by. 

Spirit Animal: Hummingbird

Sean Bailey

Corporate Controller

Born at a very young age he’s developed a taste for the finer things in life: Nintendo 64, GAAP accounting, recreational basketball leagues, wood working and gangster rap. He loves spending his days diving deeply into excel workbooks while listening to Beyoncé Pandora.

Spirit Animal: T-Rex

Brett Reese

Manager of Implementations

He can be described as someone who is hard working, intelligent, likes to laugh and have a good time.  He has a thirst for knowledge and loves spending time with his family, the outdoors, triathlons, Real Salt Lake and wearing hoodies.

Spirit Animal: Dolphin

Lisa DeKalb

CLEC Ops Manager

Mother, Grandmother, Mathematician, Friend, Voracious Reader, Embroiderer, Textile Designer.  Love to solve work problems, analyze data and create order out of chaos, and just about anything with Raspberry and Chocolate.

Spirit Animal: Lynx

Don Lewis

Billing Manager

An avid sports fan who spends way too much time watching everything from Football to Lacrosse. He enjoys movies and spending time with family and friends. He also loves music, but has a particular affinity for 80’s hair bands, hard rock, and 70’s singer/song writer.

Spirit Animal: Raccoon

Ryan Penrod

Manager, Operations Engineering

Husband and father to 4 crazy but awesome kids. Sports fanatic and avid music fan (Classic Rock and Reggae are favs). Free time is spent with friends and family but camping with family is his true passion.

Spirit Animal: Sea Turtle

Matt Lym

Cisco Support Manager

He can be described as such: A sports fanatic.  Loves playing soccer due to passion and need for exercise. A real family man.  Loves spending time with his wife and 2 beautiful children. A real jokester.  Is dedicated to working hard and making his family proud.

Spirit Animal: Killer Whale

Russell Malinsky

Microsoft Support Manager

He’s just this guy, you know? Enjoys making beer and cheering on the claret and cobalt. Plays nerdy games like Dungeons and Dragons as often as possible. Once ate an entire pineapple in one sitting.

Spirit Animal: Sisyphus

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