An "opening speaker" is the first person to speak at an event or gathering. They set the tone, introduce the agenda, and engage the audience by giving a talk or presentation. Full definition
Within the app, tapping a button on the screen opens the speaker for communication on a push - to - talk basis. (pocket-lint.com)
Rebecca Clark, Regional Schools Commissioner for the South West, has been confirmed as opening speaker for the 2017 Cornwall Teacher Awards. (qaeducation.co.uk)
Within the first few minutes of the Better Bike Share Conference in Philadelphia last week, opening speaker Tamika Butler of the Los Angeles County Bicycle Coalition challenged the crowd with a question: (betterbikeshare.org)