Management Team

John Hagan
Founder & CEO
As founder and CEO of TeleData Select, John is leveraging his 30 years of experience in the broadcasting and telecommunications industries to help his customers meet their office and mobile telecom needs.
Previously, John worked at Paetec Communications (now Windstream), XO Communications, and in marketing roles at ABC Radio and National Cable Communications.
As an active senior member of Atlanta Lions Club and its former treasurer, John has helped raise awareness and funds for the visually impaired. Through this national organization, John has also given his time and effort to its community service projects ranging from cleaning up local parks to providing supplies to natural disaster victims.
He holds a Bachelor of Communications degree in Radio Television Management from Ohio University.

Mary Dooley
Managing Partner
As managing partner of TeleData Select, Marilyn Dooley is able to visualize creative telecommunications solutions that increase our customers’ bottom lines.
Prior to joining TeleData Select, Marilyn was the founder of Telco Management Group, a sister company that offers premier telecommunications consulting from 100+ independent agents throughout the southeast.
Marilyn has worn many hats in her telecommunications career. She started one of the country’s first independent sales agent programs, marketed long distance services and managed multiple large call centers.
Her focus on the indirect channel drove her to build an organization that currently serves agents nationwide, and her articles are regularly published in Phone+, Intel Card News and Telecom Reseller magazine.

Don Miller
Program Manager
Don has 30 years of experience implementing IT projects for Telecom, Financial Software and Insurance companies in the US and abroad. Most recently, his management has focused on network infrastructure procurement and installation.
Don recently moved from Seattle to be closer to family and friends and change his career focus. Hoping to bring his Fortune 500 experience to small and medium-sized companies.
He holds a Bachelor of Arts degree in Business Management from Ohio University.

Hannah Crim
Hannah is the Director of Operations at TeleData Select. Her experience in business administration, customer support, and marketing, as well as her organizational skills, allow her to efficiently support the sales team while overseeing the daily operations. She holds a Bachelor of Science degree in Business Administration from Florida College and enjoys working to improve customer relations and day to day processes.
Hannah strives to develop a good relationship with everyone she encounters and is always ready to help. With a strong belief that work-life balance is essential to happiness, she enjoys having a cup of coffee, shopping, and is always up for a trip to the beach.

Jay Johnson
Director of Service Delivery & Engineering
Jay Johnson has been working in the Information Technology industry for over 20 years. As Director of Service Delivery & Engineering for TeleData Select, Jay is responsible for making sure TeleData Select’s quality focused installation processes are always focused on the simplification of the complexities around our customer’s communication services changes or upgrades.
Prior to joining TeleData Select, Jay has worked with Scientific Games, Procure, and Fortune 500 companies. Jay also has extensive experience in building, designing and installing voice and high speed data networks. As well as installing fiber optics.
Jay has a passion for doing things right the first time, making sure our customer’s data rooms and installs not only function perfectly, but look great.