Mario Maurer

Maurer participated in endorsements for the first time for Exit Rollon and other popular brands such as The Pizza Company, Sugus, and Foremost. He was also the presenter for Honda Jazz,. He also did endorsements for Pepsi, Dutchmill, and Sony Ericsson. In July 2011, he signed an endorsement contract for the Philippine clothing brand Penshoppe, following the unexpected popularity from his film Crazy Little Thing Called Love shown on the ABS-CBN network. He also signed a movie contract with Star Cinema, a Philippine film production company. He was paired with Filipina film and television actress Erich Gonzales in the film released in 2012, Suddenly It's Magic. On October 28, 2011, Maurer had a press and fan conference at the Philippine International Convention Center with thousands of fans in attendance, as a part of his official launch as a Penshoppe endorser. On October 29, he hit the runway at the Philippine Fashion Week held at the SMX Convention Center. On August 3, 2013, Maurer returned to the Philippines to promote his movie Pee Mak and had a fan conference at two venues, SM North EDSA and SM Mall of Asia the following day with Baifern Pimchanok, as part of Pimchanok's official launch as Penshoppe endorser. Thousands of fans were in attendance in continuing support for both stars and their 2010 hit movie First Love.

Maurer's interests include skateboarding, hip hop, and cars. He is a naturist. Although he is half German and half Chinese, he cannot speak German, though he understands Mandarin. He is a native speaker of Thai and also speaks English. His father Roland Maurer died of a diabetes-related heart attack on June 27, 2011. He has a very close relationship with his brother Marco, a hip-hop artist and actor.

Maurer gained popularity after he starred in the 2010 film First Love and Thailand's highest grossing film of all time, Pee Mak.

Director Bhandit Rittakol had approached Maurer for Boonchu 9, but he was tied up with other projects. He was cast in the 2008 film by Chatchai Naksuriya, Friendship. The film is set around 1983. Maurer starred opposite Apinya Sakuljaroensuk, as 12th grade student. That same year, he appeared in a segment of the four-story anthology 4 Romance, (segment "Joob" or Kiss) directed by Rashane Limtrakul. Maurer's projects after 2008 included a comedy-horror film written and directed by Yuthlert Sippapak, Rahtree Reborn, scheduled for release in April 2009, in which he starred opposite Chermarn Boonyasak.

Maurer started a career in modeling at the age of 16. He later became best known for his lead roles in the 2007 film The Love of Siam and the 2010 sleeper hit First Love. He is also the lead star of Thailand's highest grossing film of all time, Pee Mak alongside Davika Hoorne. He is part of a group called 4+1 Channel 3 Superstar with Nadech Kugimiya, Prin Suparat, Pakorn Chatborirak and Phupoom Pongpanu.

When Maurer was 16 years old, he was approached at Siam Square to try out modeling. From then on, he started doing photo shoots, commercials and music videos. In 2007, he made his feature film debut in a leading role in The Love of Siam, written and directed by Chukiat Sakweerakul. The role "Tong" brought him many accolades and instant fame far beyond Thailand's borders. Commenting on his new-found fame, "I didn't want to do it, acting wasn't on my to-do list." He decided to do the movie because he trusted the director "Chukiat" and the movie would give him many opportunities. He would be making money to help his family. He became famous in this film because of his gay role.

Maurer teamed up with his older brother Marco in the hip hop duo "PsyCho & Lil’Mario." They released their debut PsyCho & Lil’Mario: Dem Crazy Boyz on October 31, 2007. Maurer worked as a hypeman in this album. He would later on describe it as "just for fun. I know myself – I'm not a singer. That's not my dream."