Siera is currently a student hoping to become a successful lawyer. Hobbies include: going to the beach, reading, listening to live music and volleyball. Siera’s personal motto is: ‘Live, Laugh, Love – dare to dream but reach to succeed.’ Besides traditional food from Guam, Siera loves Italian food.
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September 2, 2011. Siera Robertson will be Guam's returning candidate to the Miss World contest in London this November. Anya Mendiola, Natalia Faculo and Alissa Esclavea were the runners-up. Sierra was Miss Universe Guam 2008.
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