Virtual Assistant/PA (email corresp/invoicing/note taking/thought taking)

We need someone to be able to respond to our requests within the same hour or two.
Can we talk over skype to go over the tasks we would like you to do.
Your exact time availability and your response rate is very important. We need to know what you can do also.

1.Sending emails back and forth towards setting up and confirming meetings
2. Managing Calendars of 3 people within one calendar
3. Sending emails on behalf of us, template communication to be agreed on several outgoing emails.
4. Sending proposals to clients.
5. Setting up quotes and invoices and sending them to clients.
6. Note taking with daily summary of notes and most important task management.
7. Thoughts capturing and segregation of notes.
8. Other PA related functions

We will need to setup an internal email for you to use and a dropbox understanding.