Do you currently use Drupal? If so, what do you consider your experience level?

I'd consider myself advanced. Have been building sites with Drupal since 2007. Began developing modules in 2009. Drupal development became my day job in 2011.

Do you have any web sites that you are responsible for managing or maintaining? If so, what are they?

Yes, several; portfolio at http://muriqui.net/portfolio.

Do you have any upcoming web site projects that you are considering Drupal for?

Currently contracted to Western Michigan University to convert wmich.edu to Drupal.

Have you used any web content management tools similar to Drupal? If so, what are they?

Have briefly used Joomla, Wordpress, and Expression Engine for some past projects.