TDS Telecom announces new Vice President of Data Management and Chief Information Security Officer

TDS Telecommunications LLC (TDS®) is pleased to announce the appointment of Milton, Wis. resident Steve Mathesius as Vice President of Data Management and Chief Information Security Officer (CISO). Mathesius now oversees TDS Telecom’s data management teams, helping drive positive customer experiences. He also leads cybersecurity and risk management functions at TDS Telecom and its parent company, Telephone and Data Systems, Inc.

Mathesius has nearly 25 years of network and IT experience. Since 2018, he has held three director-level roles within the organization. In his most recent role as director of the Security and Technology Center of Excellence, Mathesius oversaw cyber security, IT infrastructure, technology integration, and network orchestration.

“Cybersecurity and data management are at the forefront of all businesses, and I’m confident Steve will continue to do a fantastic job in his expanded role,” said Ken Paker, Chief Technology Officer and Senior Vice President of Information & Network Technologies.

“I am excited to be stepping up to this new level and look forward to leading our talented team of data management and cybersecurity professionals. Working together we will make an even greater impact on TDS and its future,” said Mathesius.

Mathesius earned an MBA from the University of Wisconsin-Madison and a Bachelor of Arts in Computer Information Systems from Wartburg College (Iowa). Mathesius serves on the governing board of Rock University High School, an innovative charter school that provides students with a college preparatory experience.

Mathesius assumed his new position Dec. 17.

Media Contact: Garrett Seymour | Brand Journalist | TDS Telecom | 608-644-5529 |

TDS Telecommunications LLC (TDS Telecom/TDS®) delivers high-speed internet, TV entertainment, and phone services to a mix of small to mid-sized urban, suburban and rural communities throughout the U.S. With 1.2 million connections, TDS is a rapidly growing technology company. Powered by fiber-optics and new industry-leading technologies, TDS delivers up to 8 Gigabit internet speeds and offers internet-protocol based TV entertainment solutions along with traditional phone services. TDS also offers businesses VoIP advanced communications solutions, dedicated internet service, data networking, and hosted-managed services. Visit

TDS Telecom, headquartered in Madison, Wis., employs 3,400 people and is a subsidiary of Telephone and Data Systems, Inc. [NYSE: TDS], a Fortune 1000® company. Founded in 1969, Telephone and Data Systems provides wireless, broadband, video and voice; and hosted and managed services to approximately 6 million connections nationwide through its businesses: UScellular, TDS Telecom, and OneNeck IT Solutions. Visit

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