Few models today are quite as ubiquitous, it seems, as Jacquelyn Jablonski, who has lent her sharp features to labels as diverse as Victoria’s Secret and Céline, but the dark-haired New Jersey native says the one cause she really wants to put a face on is autism. For over a year, Jablonski has been working with the organization Autism Speaks to raise awareness of the issue, even helping to ring the opening bell at the New York Stock Exchange exactly a year ago today to mark World Autism Awareness Day with her younger brother Tommy (above, with Jablonski), who was diagnosed at the age of two.