The MV Chamber of Commerce and the Vineyard Square Hotel are hosting a video marketing expert as part of an ongoing speaker series event. Randy Barth runs Honce Oui and has been an entrepreneur since age nine.

The event begins at 5 p.m. on Friday, May 9, at the Vineyard Square Hotel. The cost is $30 at the door and $25 in advance. Visit themarthasvineyardguide.com/speaker-series.