Mastering the Art of Public Speaking

Lecturer who provides technique, knowledge and understanding of things in a limited period of time and the host who is responsible for planning and coordinating the activities to go well. People might think that those type of position is done by "talent" because to transfer knowledge and stories you need to have an ability to use words, have a good personality and a ability to summarised for  the audience to understand and be able to apply new knowledges to various tasks. Unfortunately,   you do not need to be talented to do those thing but all you need is to learn the techniques and methods and be able to apply them in real life. Therefor if the host or lecturer learn the technique of how to be a good host or lecturer, have proper skill training they will be able to perform the task well.