Media Services

Lisa Rosas

Media Strategist/Media Planner-Buyer

Lisa has been an indispensable member of Network Affiliates since 1988. She assists our clients in achieving their business objectives by recommending the best possible use of various media platforms. Lisa is involved in every step of the process including market analysis, media planning and media buying. She utilizes multiple in-house media resources to research and fully understand each client's local market. Her in-depth knowledge of medical advertising and expertise in lead-generation media buying ensures our clients' advertising investments are allocated in the most cost efficient and effective manner and generate the best ROI. Lisa has a sincere commitment to our clients' success and takes a great deal of pride in the trust and relationships she has built with our clients over the years.

Lisa has two children that she adores and spends endless hours at soccer, baseball and football fields. Outside of being a mom, she also enjoys concerts, theatre, traveling and being outdoors.

Cindy Kallman

Media Buyer & Technology Specialist

Cindy joined Network Affiliates in 1996 and quickly became an integral part of our media buying team. In addition to her vast buying responsibilities, Cindy is also responsible for making sure Network's Media Department is on the cutting edge with the latest and greatest in media buying tools and research as our Technology Specialist.

Originally from Illinois, Cindy has traveled across the Eastern United States working in all forms of broadcast media for the past 20 years. She came to us from Fry-Hammond-Barr in Orlando, Florida where she served as Associate Media Director.

Cindy graduated from Western Illinois University and then attended graduate school at DePaul University in Chicago. Cindy became a devout Atlanta Braves fan while working as Broadcast Manager for Macy's in-house advertising agency in Atlanta. Cindy and her husband Ted enjoy traveling, music and their pets.

Tami Davies

Media Buyer

Tami Davies has been with the company since 1999 and has experience in planning and buying of National and Local spot TV, Radio, Print, Outdoor and Internet. In addition to her Bachelor's Degree from Colorado State University, she also has a degree in Graphic Design and Animation. This Colorado native has been married to her husband for 10 years and has one beautiful daughter, Chloe, who is the love of her life! Tami enjoys traveling, reading and utilizing her creativity in web & print design and her media buys.


Amy Muhlbauer-Miller

Media Buyer

Amy joined Network Affiliates in the Fall of 2003, after spending 6 years as a Media Buyer with Mindshare-Denver and Initiative Media.  Amy's responsibilities include planning and buying for all broadcast media-TV, cable and radio.  Amy is committed to achieving the best results for our clients. 

Born and raised in Iowa, Amy graduated from Iowa State University in 1997 (go CYCLONES).  Away from work, Amy enjoys spending time with her husband Jason, their two sons - Caiden and Gavin, and their dog Bodi.  In addition, Amy enjoys running, volleyball, and working in her garden.   Amy is our resident Reality TV junky!!!

Marion Sheffield

Media Assistant

Marion has been a valuable asset to the Network Affiliates Media Department since 2005.  She supports the Media Planners/Buyers, as well as handles some medical print buying.  Marion comes from a customer service background, which is evident in the way she handles Network clients and internal personnel.   She loves her work and it shows! 

Outside of the office, Marion enjoys spending time with her 19 year-old son, a music recording and production enthusiasts, as well as her 3 dogs and 1 cat.