administrative assistant for our startup

We need a secretary, or administrative assistant, who will be responsible about doing everything we need for our startup, he has to be motivated, cooperative, and able to work under pressure. We need to contract with him/her for a month at the beginning. The job description is doing any thing that we tell him/her (gathering information, calculating financial issues, calling, ect. ). Everything will be online. Is very important that he/she speaks English well. For more details please contact with us.

Thank you