Question

Keynote speaker  who gives the keynote address at a formal gathering such as a conference, seminar, meeting, etc. / Senator Williams is an inspiring keynote speaker. / The CEO of Apple Corporation was the keynote speaker at the conference.

Accepted Answer

Noun + Noun

Collocation	Keynote speaker
Type	Noun + Noun
Examples	who gives the keynote address at a formal gathering such as a conference, seminar, meeting, etc. / Senator Williams is an inspiring keynote speaker. / The CEO of Apple Corporation was the keynote speaker at the conference.

Keynote Speaker Noun Address Formal Gathering Conference Seminar