Karla Thornhill Coleman, copywriter and public relations/marketing consultant, has more than 25 years of experience in public relations, editorial, strategic planning, marketing and event coordination. Over the years, she has managed media relations for several Fortune 500 companies and non-profit organizations and has lead writers and editors, photographers, art directors, graphic artists, animators, producers, and printers on many exciting projects, including events in Tokyo, Geneva, and Paris. Karla has coordinated multiple special events involving media, celebrities, executives and government officials. As a graduate of The Ohio State University School of Journalism and the MBA program at the University of Michigan, Karla’s passion is writing and helping her clients communicate effectively and efficiently. She now leverages her expertise to meet her client’s PR and marketing needs.

We’re a Team

Thornhill Communications LLC is a full-service public relations and marketing firm. We’re not just writers, editors, publicists and graphic designers, we’re strategists and brand marketers – always on the lookout for the next and best marketing and branding solutions.
When Karla Thornhill Coleman launched Thornhill Communications LLC in Auburn Hills, Michigan in May, 2009, her goal was to be a resource for her clients, utilizing the latest technology and media tools and collaborating with exceptional creative marketing and communications experts. She assembled a diverse and talented team of:

  • Photographers
  • Videographers
  • Graphic Designers
  • Web Designers
  • Writers and Editors
  • Event Planners
  • Project Managers
  • Marketing & PR Consultants
  • Thornhill Communications leverages this handpicked group of small businesses to create customized project teams that work together to provide innovative strategies, increased productivity and creative results at competitive pricing.


    Meet     Research     Assemble the Right Team     Stir the Creative Juices     Layout the Plan     Execute     Measure


    quote““Thornhill Communications completely transformed our non-profit organization’s website – taking it from drab to a something we are proud of! Not only did Thornhill Communications make the design process easy for non-technical people, they empowered us to keep our website fresh with new photos, information, and events through interactive training sessions. We are so thankful for the post-launch support from Thornhill Communications and appreciate their hands-on approach, helpfulness, and enthusiasm during the entire process.”

    Rhiana Hertneky,
    The Wish Connection

    Olivia Ewing

    quote“Karla Thornhill Coleman’s greatest attribute is the ability to listen to her clients. Truly an expert, Karla understands every aspect of brand development and management from A to Z. Her dedicated team is not only talented and bright, but wholeheartedly results driven. She makes the process fun and you will walk away feeling as though you are on the cutting-edge of success, no matter what your business needs may be. Karla and her team are genuinely enthusiastic about making your voice heard!”

    quote“Thornhill Communications delivers tailored solutions for anyone desiring business strategies, branding, ideation and fresh though-provoking perspectives to complex challenges delivered with clarity, simplicity, effectiveness and unparalleled customer service. Karla Coleman and her team provided our company with developmental marketing strategies that helped accelerate our business growth. Working with Thornhill was a great experience and we look forward to a long lasting business relationship.”

    LaVonne Trent

    Diane Palmer
    President and CEO of DP Marketing Strategies, Inc.

    quote“Karla Coleman is an amazing writer and strategic marketing mind. I have enjoyed working with her on national level campaigns and book projects. “

    quote“Thornhill Communications managed to turn a concept into a prototype, a dream into a realty. Without them, the Global Infant Safe Sleep (GISS) Center, would continue to be an idea deferred.. The global community owes a debt of gratitude to this wonderful company. Their contribution has increased the avenues for which the GISS Center messages are delivered. We thank you for your assistance with enhancing our ability to increase equity in birth outcomes worldwide.”

    Dr. Stacy Scott
    GISS Center