Good corporate event moderation leads the audience towards the goal of the event instead of just announcing programme items. You recognise it by thorough preparation, by transitions that connect content, by a schedule that holds, and by the host's messages actually sticking at the end.
The difference starts before the event
Whether a moderation turns out well is largely decided before anyone steps on stage. A good moderator asks in the briefing about the goal of the day, the audience and the delicate topics in the room. She learns names and pronunciation, knows the core messages and knows which figure must never be quoted wrongly. Someone who merely accepts the run sheet and prepares a few jokes will end up announcing programme items. The audience feels the difference within the first quarter of an hour: either someone is speaking who understood what the host cares about, or someone who says the same thing everywhere.
On stage: leading instead of announcing
Good corporate moderation connects the contributions into one line. After a talk it picks up the central statement and builds the bridge to the next block instead of passing on with "and now". It holds the schedule without anyone noticing, wins overrun minutes back at planned spots and solves glitches calmly because a plan B exists. It activates the audience without exposing anyone and gives internal speakers confidence, people who do not stand on a stage every week. With international workforces, language direction is part of the craft: English, German or alternating, without telling content twice.
An example from practice
At the Bosch Global Sales Summit, Jasmin Wölke led three days of keynotes, panels and interactive sessions, bilingually in front of more than 500 participants from 40 countries. Good meant there: opening every morning with a bridge to the previous day, holding the line across three days and protecting the breaks in which the conversations happened that everyone had travelled for. Behind this way of working stand more than ten years at Bosch in international sales and marketing: she knows corporate stages from both sides.
What you can do now
Put the goal of your event into one sentence before you contact moderators. In the first call, check whether the candidate asks about goal and audience or mostly talks about herself. And give her a real briefing, as the briefing checklist describes. Whether an external solution is worth it at all is covered on the page when an external moderator makes sense; the format itself is explained on the corporate event moderation page.