Mark Shlanta

CEO

Mark Shlanta leads SDN Communications as its Chief Executive Officer, a position he has held since 2000.

Dennis Kautz

Vice President of Sales and Pricing

Dennis Kautz serves as SDN's vice president of Sales and Pricing. He oversees the sales of high-speed broadband internet solutions, SDN's Metro Ethernet, multi-site connectivity through MPLS and multi-office networking.

Joe Galinanes

General Manager of SDN Technologies

As the General Manager of SDN Technologies, Joe Galinanes will manage the day-to-day operations of the division, managing sales of IP Phones like Avaya, Mitel and ShoreTel. He also oversees sales of switches and routers, servers and virtualization, data storage and Next-Gen 911.

Amy Preator

Director of Human Resources

As Director of Human Resources, Amy Preator manages employee benefits and compensation, maintains consistency among policies and procedures, and oversees recruitment, hiring and employee development and training. 

Vernon Brown

Director of Marketing & Community Relations

Vernon Brown manages SDN Communications’ brand through the marketing, sponsorships, events, special projects and community relations.

Mitch Elfstrand

Vice President of Engineering and Operations

As Vice President of Network Engineering and Operations, Mitch Elfstrand oversees the day-to-day development and growth of SDN's network, Network Operations, Outside Plant Engineering and Land and Buildings.  

Bill Heaston

Vice President of Legal and Regulatory

As the Vice President of Legal and Regulatory, Bill provides advice and support to SDN for regulatory, legal and significant customer issues.

Michael Kedik

Vice President of Information Technology, Application and Product Development

Michael Kedik has 20 years experience in the IT and Telecommunications industries.

Nick Kortan

Vice President of Corporate Operations

As SDN's Vice President of Corporate Operations (CFO), Nick directs and oversees all aspects of the finance, accounting and credit functions.

Tom Durfee

Director - Strategic Initiatives

Tom Durfee heads up strategic projects and intiatives for SDN, including the BTOP stimulus grant.

JJ Anderson

Regional Wholesale Account Executive

J.J. Anderson is a Regional Wholesale Account Executive serving the upper Midwest. He works with carriers and telco's (like SDN's Member Companies), to help connect the Upper Great Plains to SDN's internet and transport methods. 

Melanie Sage

Account Network Executive - Sioux Falls, Sioux City, Yankton

Melanie Sage is an Account Network Executive with more than five years in telecommunications experience. She is a network consultant who specializes in MPLS, (connecting remote offices), and offers T1 direct data lines of internet connection for high-speed bandwidth.

Lynne Norton

Broadband Connectivity Sales - Sioux Falls, Madison, SW Minnesota, Aberdeen

As a Senior Account Relations Executive for the most reliable ISP in the region, Lynne Norton likes finding high-speed fiber optic solutions for customers.

Ryan Punt

Broadband Connectivity Sales - Sioux Falls, Watertown, Fargo, Huron, SW Minnesota

Ryan Punt, who has been in the business since 1999, sells dedicated broadband internet and can connect your two business locations online with WAN/MPLS connectivity options—all from SDN Communications—the secure, reliable internet service provider.

Ryan Danforth

Network Surveillance Center Sales

Ryan Danforth helps guard business networks with SDN's Managed Gateway Services, providing network security, data security, compliance with SOX, HIPAA, PCI, managed firewall services, and is an overall network security consultant.

Dan Gabrielson

Network Account Executive - West River, Rapid City, Pierre

Dan joins SDN as a Network Account Executive in the Rapid City office. 

He enjoys working with customers to find solutions to their business Internet needs and connecting multiple offices with WAN/MPLS technology.

Dale Buehler

Phone Systems and Network Equipment Sales

After 17 years of telecommunications industry experience with AT&T, Lucent Technologies and Avaya, Dale Buehler was drawn to SDN because we formulate solutions with leading technology vendors that are tailored specifically to the needs of the customer.

Dennis Cromwell

Phone Systems and Network Equipment Sales

Dennis Cromwell has been a member of the SDN Technologies Sales Team since 2006. 

Jeff Lewallen

Structured Cabling Manager

Jeff Lewallen says many businesses consider their telecom infrastructure to be one of the most crucial aspects of their business.

Dean Putnam

Phone Systems and Network Equipment Sales

As sales engineer, Dean Putnum focuses on networking equipment and IP Telephony phone systems for businesses.

Jered Schock

Phone Systems and Network Equipment Sales

Jered Schock sells IP Phone Systems and Networking Equipment that suits your business best.

Cara Walker

Wholesale Account Executive

Cara Walker works to develop relationships with all Wholesale/Carrier accounts.