Mary Gillen is a writer, web developer, marketer and technical trainer who has owned her own business since 1981. She has over 30 years experience in freelance commercial/technical copywriting, graphics design, online marketing, Web development and technical instruction development/presentation.

Mary has been an active Web developer and marketer since 1995. She is the co-developer of Idea Site for Business, http://www.ideasiteforbusiness.com, a site dedicated to providing useful ideas for creative business people. The site was mentioned in Microsoft Corporation's TV series "America At Work: A Roadmap To The Internet", and has been highlighted in such publications as The LA Times, Newsweek's E-Life, Entrepreneur Magazine, Investor's Business Daily, and many others.

Mary has developed public and private Web sites with accompanying content management system frameworks for such organizations as National Institutes of Health, The World Bank, International Brotherhood of Teamsters, Cancer Research Foundation of America, McKinsey & Company and many others. Each project is designed to accommodate search engine optimization, 508-compliance and mobile phone access.

Mary's blog, Learn One Thing http://learnonething.com, features how-to ideas & tips on web development, web design, SEO copywriting, online marketing, and more.

She is also an experienced technical instructor who has taught over 8,500 individuals across the U.S. since 1995 via classroom and online instruction environments. Mary instructs Progressive Enhancement Web Design, HTML5, CSS3, PHP, jQuery, jQuery UI, XML, XSLT, SQL, JavaScript, 508-Compliance for Web Development, ColdFusion, AJAX, WordPress, Search Engine Optimization and Using Social Media for Online Marketing courses.