Mike Grehan is founder and CEO of Searchvisible Ltd. He has executive experience with the industry's leading SEM firms and is recognized as one of the foremost SEM experts.

He is the author of multiple books and white papers on the topic, and his best-selling second edition of "Search Engine Marketing: The essential best practice guide" received more plaudits from the industry's leading players than any other book on the subject.

In 2004, Mike was voted one of the U.K.'s top 100 influential people in Internet marketing for the previous decade in a poll of online marketer E-consultancy's 22,000 U.K. members.

Mike is a sought-after SEM speaker, and his newsletter has attracted over 17,000 subscribers.

In 2023 twenty eight years after he started his first agency Mike Grehan launched search and performane makreting agency Chelsea Digital.

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