About the Author

Donald Bales is an Information/Systems Architect, Business/Systems Analyst, Designer, and Programmer with over 30 years of professional experience in Business and Information Technology. He’s an author of books and articles on Oracle, Java, and PL/SQL. His area of expertise is in the use of object-oriented analysis, design, and programming, along with service-oriented architecture, for scientific data analysis, business process modeling, enterprise application development and integration, most recently using Python Django, Ruby on Rails, Java JEE, XML, HTML, CSS, JavaScript, AJAX, Oracle, and Postgresql, to name a few. In addition, he possess more than 30 years of IT project management experience.

When he is not developing software applications, Don can often be found working with horses, or playing the piano or Native American flute. Don has had several careers, and has at various times been a mechanic, a general contractor, Mr. Mom, a developer, and a consultant. He is currently the Principal Technology Lead, Environmental Software and Data Management at Argonne National Laboratory. He has a bachelor of science degree in business from Elmhurst College in Illinois. Don resides in Downers Grove, Illinois, with his wife, Terry Moro. He can be contacted by e-mail at [email protected].