The wakeboarder is Emily Durham. But its not her doing the talking. She only did shots of her riding for the commercial.
Professional Wakeboarder
Brooke Alexander
Cindy Crawford
Alan Sader often serves as a spokesperson in ChildFund commercials.
Andrew Breving
Sarah Ferguson is a/an Author,spokesperson,film producer,television personality
Matt Walton is the Cablevision TV Spokesperson. An actor who can be found on Wikipedia.
Dave Webber, Sports Director at WOWT in Omaha
Yes, but on a waverunner it's hard to stay at one speed making riding hard for the wakeboarder.
Billy Mays, who many saw touting the advantages of OxiClean on television, was a great spokesperson; some think he was the greatest. Please see the related link below to read more about Billy Mays.
Talking head, news analyst, consultant, spokesperson, etc etc
Ashley Tisdale is an actress, singer (Mezzo-Soprano), songwriter, dancer, television producer, and spokesperson.