John Arnold

John Arnold (johnarnold.com) is the author of three marketing books in the best-selling For Dummies series: Web Marketing All-in-One Desk Reference for Dummies, Mobile Marketing for Dummies, and Email Marketing for Dummies. John is also a columnist, blogger, and ask-the-expert writer for Entrepreneur Magazine, online at Entrepreneur.com .

John has developed marketing training programs for such companies as Coca-Cola, Capital One, Cars.com, Adidas, and many others. John first gained national attention for his marketing advice in 2006 when he pioneered a small business-training program on behalf of the email marketing service Constant Contact. Through the program, John coached thousands of small business owners on marketing, and his seminars and workshops have become a trusted source for marketing strategies, tactics, and best practices.

John lives and works in Boulder, Colorado and consults for all kinds of large and small businesses.