Know exactly what outcome you want from the meeting. Is it more money, share options, additional holidays, a better schedule, less workload, interesting projects and or benefits-in-kind?
Find out about them and what their needs/wants are in advance. What are their pain points and what are the key problems in the company? Can you help solve them?
Make them look good. How can you make themor organisation look as good as possible? Make them into an ally, not an adversary.