Automation and Qualitative testing processes

As a Software Test Manager Describe your experience in developing, recommending, and implementing test-driven development
and automated testing tools and processes for a complex website. Please also address how you have determined process changes where, or where not, appropriate. (for example, test cases needing to be designed with automation in mind, kicking of automation is now include in the build delivery process)
Finally discuss the process for Qualitative Testing.
Essay should include Notes: Automated tool Chosen is Selenium Webdriver because it was open sourced and could be installed locally. Automated bug fixes, Critical and Main Features of the site.
Automation frees testers up to manual test complex features that are best tested manually. Automation also test coverage & efficiency. Essay should note your knowledge of test driven
development however for this project Automating was done by automation engineer (Not developers). They automated test cases created by Manual testers/Requirements given to them by the
Business Analyst. When build is ready for testing, automation suite is kicked of in development, if all passes build is delivered to QC where scripts are again run.