2016 Forbes Under 30 Summit is here again for another interesting episode from more than 5,000 of the world’s glamorous innovators and entrepreneurs who are surprisingly under 30 – including new invitees: Olympic swimmer Michael Phelps and actor Ashton Kutcher, among others.

The young celebrities are gathering in Boston for another great opportunity to inspire, create, co-invest, co-exist, and fashion out new ideas that can and will change the world.

Olympic medalist Michael Phelps, famous actor Ashton Kutcher, Olympic gymnast Aly Raisman and model Chrissy Teigen are among the sports stars, celebrities, business icons, musicians and fashion designers expected to attend the 3-day event.

From October 16-19th, the event will be hosted at notable universities around Boston.

The U30 Music Festival, a private concert which is expected to change the world, will kick-start the Boston event. An all-star selection of A-list music stars like Jason Derulo, Halsey, Gallant, and Delta Rae will be on ground to thrill the audience.

Other notable participants include: Dr. Ruth Westheimer (Sex Therapist); actress and Honest Company founder Jessica Alba, Sam Tarantino of Chromat FM; YouTube’s Bart Baker; and Virgin Atlantic Airways founder Sir Richard Branson.