Presenters
pre·sent·er \pre-ZENT-er\ n. one who presents for speaks to educate, persuade, motivate, inspire. syn. trainer, facilitator, speaker, educator, teacher.
Clients
cli·ent \KLAY-unht\ n. one who hires presenters for training, speaking, or other presentation assignments. syn. HR rep, employer, manager, event coordinator, conference coordinator.