<P> The seventh season of the show premiered on Friday, September 25, 2015 . Actor / investor Ashton Kutcher, music manager / CEO Troy Carter, and venture investor Chris Sacca all appeared as guest sharks . </P> <P> The ninth season of the show premiered on Sunday, October 1, 2017, with a new, modern looking set, new chairs, more space and guest shark Richard Branson . An 11 - year - old inventor, Carson Kropfl, opened the show with a pitch for his sustainable line of skateboards, Locker Board . The show's celebrity investors heard the young entrepreneur's pitch and fought to partner with Locker Board, the first non-folding, compact and sustainable skateboard designed to fit in a locker or backpack . Sir Richard Branson, founder of the Virgin Group, outbid Mark Cuban, billionaire businessman and owner of the Dallas Mavericks, as well as Robert Herjavec, tech entrepreneur and investor, for the opportunity to invest in Locker Board . Branson told Carson Kropfl that the reason he invested in the 7th grader was because he reminded him . </P> <Table> <Tr> <Th> Sharks </Th> <Th_colspan="10"> Seasons </Th> </Tr> <Tr> <Th> </Th> <Th> </Th> <Th> </Th> <Th> </Th> <Th> 5 </Th> <Th> 6 </Th> <Th> 7 </Th> <Th> 8 </Th> <Th> 9 </Th> <Th> 10 </Th> </Tr> <Tr> <Td> Kevin O'Leary </Td> <Td_colspan="10"> Main </Td> </Tr> <Tr> <Td> Barbara Corcoran </Td> <Td_colspan="10"> Main </Td> </Tr> <Tr> <Td> Daymond John </Td> <Td_colspan="10"> Main </Td> </Tr> <Tr> <Td> Robert Herjavec </Td> <Td_colspan="10"> Main </Td> </Tr> <Tr> <Td> Kevin Harrington </Td> <Td_colspan="2"> Main </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> Mark Cuban </Td> <Td> </Td> <Td> Guest </Td> <Td_colspan="8"> Main </Td> </Tr> <Tr> <Td> Lori Greiner </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> Guest </Td> <Td_colspan="7"> Main </Td> </Tr> <Tr> <Td> Jeff Foxworthy </Td> <Td> </Td> <Td> Guest </Td> <Td_colspan="7"> </Td> </Tr> <Tr> <Td> Steve Tisch </Td> <Td_colspan="4"> </Td> <Td> Guest </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> John Paul DeJoria </Td> <Td_colspan="4"> </Td> <Td> Guest </Td> <Td_colspan="4"> </Td> </Tr> <Tr> <Td> Nick Woodman </Td> <Td_colspan="5"> </Td> <Td> Guest </Td> <Td_colspan="3"> </Td> </Tr> <Tr> <Td> Ashton Kutcher </Td> <Td_colspan="6"> </Td> <Td> Guest </Td> <Td_colspan="2"> </Td> </Tr> <Tr> <Td> Troy Carter </Td> <Td_colspan="6"> </Td> <Td> Guest </Td> <Td_colspan="2"> </Td> </Tr> <Tr> <Td> Chris Sacca </Td> <Td_colspan="6"> </Td> <Td_colspan="3"> Guest </Td> </Tr> <Tr> <Td> Richard Branson </Td> <Td_colspan="8"> </Td> <Td_colspan="1"> Guest </Td> </Tr> <Tr> <Td> Rohan Oza </Td> <Td_colspan="8"> </Td> <Td_colspan="1"> Guest </Td> </Tr> <Tr> <Td> Alex Rodriguez </Td> <Td_colspan="8"> </Td> <Td_colspan="1"> Guest </Td> </Tr> <Tr> <Td> Sara Blakely </Td> <Td_colspan="8"> </Td> <Td_colspan="1"> Guest </Td> </Tr> <Tr> <Td> Bethenny Frankel </Td> <Td_colspan="8"> </Td> <Td_colspan="1"> Guest </Td> </Tr> </Table> <Tr> <Th> Sharks </Th> <Th_colspan="10"> Seasons </Th> </Tr>

Who are the new sharks on shark tank
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