After graduating High School, she enrolled in the University of Puerto Rico, Río Piedras Campus, where she managed to combine her studies with her modeling career.
She graduated Magna Cum Laude in 2004 with a Bachelor's degree in Mass Communications, with a concentration in Journalism and Public Relations.
This served as a springboard to develop a long modeling career where she has enjoyed success, achieving over 20 magazine covers and publications in Indonesia, the Dominican Republic, Miami, New York, and Puerto Rico.
After graduating from college, Olavarría was headed towards a Master's degree in Entertainment Law as well as a career with Elite Model Management when she decided to temporarily change her path and participated in the Miss Puerto Rico Universe 2005 pageant, where she won the crown representing the municipality of Salinas in October 2004.
[2][3] In 2007, she landed the protagonist role in the first-ever online telenovela for the Hispanic market, Mi Adorada Malena,[4] which was produced by Univision and broadcast on its website.
In December 2010, she also played the main role in the music video of Jencarlos Canela's new single, titled Mi Corazon Insiste.
[6] In April 2011, she filmed "Mi Corazón Insiste" My Heart Beats For Lola Volcán as "Sofia Palacios ,and in 2012-2013 was part of the telenovela El Rostro De la Venganza[7] as Diana Mercader.
[8] In August 2013 Cynthia won the "Best Supporting Actress Award" in "Premios Tu Mundo" for her role as the good natured Diana Mercader in the telenovela-thriller El Rostro De La Venganza.
[9] As much as Cynthia enjoyed winning a "Tu Mundo" for interpreting angelic/good natured roles she also feared the award might typecast her indefinitely in such characters.
In 2007 and 2008, she joined Mexican singer and actor Fernando Allende to host the Miss World Puerto Rico pageant.
She also starred Mi Corazón Insiste… en Lola Volcán with Carmen Villalobos, Jencarlos Canela, Carlos Ferro, and Ana Layevska where she plays Sofia Palacios.
In 2021 she was invited by Telemundo Network to be a part of "Las Nuestras", a TV show to discuss several topics related beauty pageants, alongside Lupita Jones, Dayanara Torres, Estefanía Fernández, journalist Luis Alfonso Borrego Univision and actress Aylin Mujica Telemundo.
She's also a Social Media Manager, Pageant Consultant, and Runway Coach, on her successful online platform: "Proyecto Missma".