John Arnold is the author of three marketing books in the best-selling "For Dummies" series: Web Marketing All-In-One Desk Reference for Dummies, E-Mail Marketing for Dummies and Mobile Marketing for Dummies. John's marketing advice is also featured as an expert columnist for Entrepreneur Magazine Online at Entrepreneur.com.

John is a small business advocate and entrepreneur with a passion for helping small business owners succeed through his advice, writing, speaking, training, and consulting. John owns a small business marketing agency called Aveta Marketing that specializes in marketing advice and outsourced marketing solutions for small businesses and other organizations.

John also helps big brands teach their small business customers to become more successful marketers. John has developed marketing training and certification programs for brands like Coca-Cola, Constant Contact, The Mobile Marketing Association, and other companies you might know.

John lives and works in Boulder, Colorado.

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