keynoter

1.Charismatic, astute and candid, she is a visionary business thinker who is the perfect keynoter for your convention, meeting or strategic retreat.

超凡魅力，机敏，率真。她是会议，战略研讨会最完美的演讲者和有远景的商业思考家。

2.Given the distance between my previous role as a convention gate-crasher and my newfound role as convention keynoter, I had some cause to worry that my appearance in Boston might not go very well.

我在上届大会的角色是擅闯会者，而这届大会是主要发言人，由于这两个角色的巨大差距，我有一定的理由担心，我在波士顿的登也许不会十分成。