Virtual assistant for start-up / Top English required / familiarity with LinkedIn and Excel a plus

We require a virtual assistant for a start-up project. Task will include filing, emailing, ghost-writing on LinkedIn chat, web research and more.

Important: this job requires SUPERB English skills as part of the job will entail chatting on LinkedIn with native speakers, ghost writing for my wife who is a native speaker and and a professor of English.
If a native English speaker can tell from your writing that you are not a native speaker, unfortunately this job in not for you. Part of the interviewing process will be a one-to-one Skype interview with a live testing of both, your spoken and written (live chat feed) English languages skills.