I think it important that presenters are about ENHANCING THEIR TOPIC and selling their message, rather than big-noting themselves. Self aggrandisement should not be a prime aim.
We need to work on building the speech and speaking skills of YOUNG PEOPLE. World-wide, there is an atrocious lack of speech confidence and accuracy shown by our next generation of adults.
As a leader consider SPEAKING AND LISTENING development for those working with you. Their gaining in confidence will impress and value add through perceptions held by those engaging your organisation.