On her mother's side, she is of Lebanese, Mexican and Apache Mescalero Native American descent. Her father who was born in South Korea and as a young boy was adopted into the United States by the Thorson family in Colorado. On her father's side she is of South Korean and Scottish Irish descent.
Thorson traveled much of the southwestern United States during grade school and high school, attending a number of private Christian and Catholic schools. Her residence changed often as her family would acquire commercial and residential real estate stretching from Los Angeles and Southern California to New Mexico and Texas. After graduating early from High School, Thorson moved to San Miguel de Allende, Guanajuato, Mexico to continue the three generational family tradition of attending the historic private art institute, Instituto Allende. From silver working to sculpture and bronze casting, Thorson studied with many famous artists and celebrities attending Instituto Allende.
At the age of 17, Thorson returned to the United States and moved to Los Angeles, CA to pursue political activism. Despite her father's death in the same year, she found success and fulfillment in non-profit work.
At the age of 19 she was discovered and signed by the Cuttingham Escott Slevin Doughty CESD Talent Agency in Los Angeles as a commercial and theatrical actress and model. Working in Los Angeles, New York, Milan, Paris, Cannes, Japan, London, Holland, Thailand, and Korea her modeling and acting work has given her a global presence. Thorson has graced many Domestic and International magazines as their cover girl and Billboards spanning the United States and Latin America from commercial and print client Yoplait, and as the female face of Body Glove Billboards reach into the Asia markets from Thailand to Japan. She has appeared in many modeling campaigns for clients like Body Glove, Nokia, Yahoo!, Fred Segal, Markwins, BIOQUE, Pinar Eris, Seril, Core Clothing, Jerry Terrence, Anna D.Milano, Eduardo Lucero, Louis Verdad, Maggie Barry, D'Voshion , ISSI Fashion Beverly Hills, Qimone, and Paul Mitchell. Throughout her modeling career she has worked with celebrity photographers, Giuliano Bekor, Lionel Deluy, David C Lee, Nikola Borrisov, Sean Armenta, Leea Haeger, Patricia de La Rosa, Tom Concordia, Scott Nathan, Steven Kay, Andrew Paynter, Brooks Ayola, Suzette Troche, Hakan Akif Celeb, Larissa Underwood, and one of Tyra Banks favorite America's Next Top Model photographer Matthew Jordan Smith.
Thorson's first television appearances were for two consecutive Sprint commercials directed by Brian Beletic. She joined SAG the Screen Actors Guild soon after as a professional actress and appeared in commercial ads for other clients like Lady Foot Locker, Reebok (director Shaun Conrad), and Saturn (Believe Media). She also gave a cameo appearance in the Rolling Stones music video, Rain Fall Down, directed by Jonas Akerlund.
She was soon recruited as an athletic, action sports star on the adventure TV series Destination X: Hawaii season one and Destination X: California season two. Destination X TV was aired on Direct TV, Dish Network, and Time Warner Cable on The Water Channel and MTV2 as well as in many languages internationally.
While developing her action career she starred in Room Nine a short film about a deadly girl on the run in the desert, directed by Paul Street of Streetlight Films UK and Believe Media. The short film screened on a few big screens across the nation, like at the ArcLight Hollywood Cinema in Hollywood, California at the 2007 Hollywood Film Festival Film Festival It also screened at the Palm Beach Film Festival in Florida and the New York Picture Start Film Festival where Thorson was nominated for Best Actress.
On June 4, 2007, Celeste Thorson was nominate for Best Actress at the Tenth Annual PICTURESTART FILM FESTIVAL in New York city for her short film Room Nine directed by Paul Street. Thorson took second to Piper Perabo as Best Actress.
On January 18, 2008, Celeste Thorson won the Model Star Award for Best Female USA at the Asia Model Festival Awards Video Clip in Seoul, Korea. She traveled to South Korea to represent the United States and accepted the award. Japan, Korea, China, the Philippines, Uzbekistan and the United States were all represented in the ceremony, with Award winners like Super Junior, Iza Calzado, Park Min Young, Han Ye Seul, Ju Jihoon, and Celeste Thorson as the popular favorites of Asia. Thorson was nominated along with three others in her category at the Asia Model Festival Awards sponsored by the Republic of South Korea's Ministry of Culture and Tourism, China Bentley Culture Development, Arirang TV China Guang Xi TV, Dong-A TV, ETN TV, and China Central Television CCTV.
“I really enjoyed the Asia Model Festival Awards, and was honored to receive the Model Star award. The Korean Model Association, Eui-Sig Yang, SBS, DBC Holdings, Global One, as well as all of the sponsors made our stay very comfortable and exciting. The show was beautiful and the fashion of Blumarine, Jong-Sun, EXR, Ran Style & Lie Sang Bong was inspiring. I met so many beautiful and friendly models from around the world. I especially enjoyed meeting Iza Calzado, Ai Dai, Super Junior, and Angel Agustin they were very sweet. I loved all of the performances and can’t wait to return!Press Release
Thorson reportedly enjoys attending and drawing inspiration from film festivals like Cannes Film Festival, Sundance Film Festival, Troma Film Festival, Venice Film Festival, Hollywood Film Festival, and the Rome International Film Festival.