Find a local Dentist

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    Dr. Ivory Hancock

    Washington, DC 20036
    (202) 737-7025

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    Kenneth A Ingber, DMD

    Washington, DC 20006
    (202) 331-7474

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    Dr. Scott Shalit

    Garnet Valley, PA 19060
    (610) 459-5859

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    Dr. Lance Panarello

    Aston, PA 19014
    (484) 498-2132

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    Dr. Dan David

    Phoenixville, PA 19460
    (610) 935-1015

People Behind the Consumer Guide to Dentistry


To read more about our company and mission, please read About Us.

Greg Johnstone
» Publisher
Mr. Johnstone joined Ceatus in 2005. He has been writing and editing for Internet publications since 2003 on technical and healthcare topics such as dental insurance, dental braces, diabetes, malignant mesothelioma and primary pulmonary hypertension. In addition to serving as publisher for Consumer Guide to Dentistry, Mr. Johnstone also is the publisher for sister sites Consumer Guide to Plastic Surgery, Consumer Guide to Bariatric Surgery, Breast Implants 4 You and All About Facial Rejuvenation. He previously was responsible for content editing and production for several Ceatus Media Group online publications.

To send him comments or suggestions, or to report a technical problem you experienced on this website, please click here.

Tamara Evans
» Group Associate Publisher
Tamara Evans joined Ceatus in 2007 as VP of Marketing. Ms Evans has more than 20 years of medical marketing experience, having served as VP of Marketing and Product Manager in several ophthalmic medical device companies. She has extensive experience managing editing and publishing departments and is also an expert in the development and implementation of performance-based marketing and analysis programs. Since joining Ceatus, she has assumed the additional role of Associate Executive Publisher, in which capacity she ensures that visitors to all of the portals published by Ceatus receive an excellent consumer experience. Ms Evans received a Bachelor of Science degree in Economics from the University of Dayton and a Master of Science in Statistics from Wright State University.

Devin Butler
» Director of SEO
Mr. Butler is a leading force in Internet marketing and online publishing for the elective health arena. He has extensive knowledge of online research methodologies, with particular expertise in the area of consumer research pertaining to elective procedures in dentistry, such as teeth whitening, plastic surgery, such as tummy tuck, and bariatric surgery, such a gastric bypass surgery. He has used this expertise to spearhead the online marketing and SEO efforts of more than 100 dentists, and plastic and bariatric surgeons from across the globe. His skill and experience has helped them to obtain elevated consumer visibility and increased market share in some of the most competitive markets in the United States, Canada and Mexico.

Nathan Johnson
» Executive Editor
Mr. Johnson is the Executive Editor of Ceatus Media Group. He serves in a variety of editorial and managerial capacities at Ceatus, with a principal focus on legal, plastic surgery, and bariatric consumer education. He joined Ceatus in September 2007 to help launch new online publications and establish continuity and branding across the company's various online resources. He currently serves as Executive Editor of the company's seven health care Web portals. He formerly served as Senior Editor at a major Internet healthcare firm and as Managing Editor of Imagine Your Health, one of the first online publications covering elective health care procedures, such as LASIK surgery and dental implants. He has authored hundreds of articles about consumer Internet use for healthcare research and his work has appeared in numerous medical, dental and legal publications. Mr. Johnson received a BA in history from the University of California, San Diego, and an MA in literature from the University of Toronto.

Ceatus Media Group

David Evans, PhD, MBA
» Chief Executive Officer, Ceatus Media Group LLC
Dr. Evans has directed marketing efforts for medical companies and surgical practices since 1985. In 1996, he co-founded an Internet medical marketing communications firm specializing in eye health. In 1998, he began developing online visibility strategies for dental practices, primarily in the area of cosmetic dentistry. He has helped dentists throughout the United States, Canada, Europe, and Australia better educate and connect with patients through their practice websites and other online communication strategies. Dr. Evans is a recognized authority on Internet healthcare marketing strategies, and has spoken at numerous professional dentistry and plastic surgery meetings. He is also the founder of VectorVision, which specializes in developing products for the standardization of contrast sensitivity and other novel types of vision testing.

Jack Barrient
» Vice President, Sales
Mr. Barrient has directed health-care-related marketing and sales efforts for more than 25 years. During the last eight years, he has marketed programs to build consumer Internet visibility for surgeons and dentists who offer elective fee-for-service procedures. His background includes sales to specialists in LASIK surgery, cosmetic dentistry, obesity surgery and breast augmentation surgery throughout the United States, Canada, Europe and Australia.

View the complete list of editorial contributors





  • P


    Dr. Ivory Hancock

    Washington, DC 20036
    (202) 737-7025

  • P


    Kenneth A Ingber, DMD

    Washington, DC 20006
    (202) 331-7474

  • P


    Dr. Scott Shalit

    Garnet Valley, PA 19060
    (610) 459-5859

  • P


    Dr. Lance Panarello

    Aston, PA 19014
    (484) 498-2132

  • P


    Dr. Dan David

    Phoenixville, PA 19460
    (610) 935-1015