Please don't take it personally, but I have two concerns:
Apparent lack of credentials. Why would presumably very busy and in-demand professionals spend a weekend on this? Is this the first time you have done this, or have similar events been successfully conducted in the past (by your organisation or others).
Apparent lack of reading list/preparatory materials. How would intended participants prepare for this? Setting a recommended ticket price is a nice touch, but I feel there is still not enough of a threshold for people to cross: which makes me fear it will just be a nice social that does not get substantial things done.
Please don't take it personally, but I have two concerns:
(Background: law. Not a LessWrong user).