In order to offer your services to be an onboard guest speaker you need to contact Crystal's On Board Guest Services or Crystal's Creative Learning Institute's coordinator. You can do that by writing to Crystal at
www.crystalcruises.com or calling 866-446-6625 and asking to speak to someone at their Creative Learning Department.
On most Crystal cruises, they have guest speakers who talk on a variety of subjects like health and wellness, history, art, performing arts and investments.