The program is available from the workshop’s website: http://ethics.arizona.edu/program.html.
Registration is free and open to all. You may register by emailing Mark Timmons — see the workshop's website for his email address. Timmons will send periodic updates to those who register.
FWIW, this has been a really nice conference for the past 3 years. The location is very pleasant at this time of year, the papers are good, Mark and his cohorts do a really nice job making one and all feel welcome, and this looks like another good year.