Christine Dale was the first to guess that this is a picture of...

Jesse Vargas

Michelle Magnusson, Dani Gersh, Karen Cormier, Ashley McMillan, Amy Friedrich, Melinda Moses, Andrea Wagner, Laura Mann, Shannon Leap, Priscilla Gohari (on her third try), Paula Parsons, Tiffany Katz, Hannah Goodman, Sande Ogren, Christine Nordstrom, and a visitor identifying herself only as "Amy" also guessed correctly.