main protagonist in the Philippine remake of Uchuu Keiji Shaider as Alexis del Mundo or Shaider but Dennis Trillo and Aljur Abrenica were included so the show was reformatted to Zaido: Pulis Pangkalawakan, a spin-off sequel to the Metal Heroes franchise. As Alexis Lorenzo or Zaido Green, he considered this show as his biggest break. Recently, he joined the cast of Sine Novela: Kaputol ng Isang Awit, which also stars Glaiza de Castro, Lovi Poe and Jolo Revilla. He was also a spokesman for Department of Health and was seen in a no-smoking ad campaign with secretary Francisco Duque III. In 2008, he joined the cast of Codename: Asero then LaLola. His last appearance was in LaLola, in which he portrayed the character Billy Lobregat. After Lalola, he had stated in his Friendster account that was supposed to star in the television show De Laila with Yasmien Kurdi and Rhian Ramos. He was also supposed to star with Glaiza de Castro in the movie Ultraelectromagnetic Love and in an episode of Tindahan ni Aling Nena. Robin Padilla, who was present in his funeral, has stated that he would've like him to be his successor. Other upcoming projects that he was supposed to have starred in include the indie film Bente, also starring Jewel Mische, and the theatre production of the Tanghalang Pilipino play Kutsilyo, Pamaypay, at Yantok, with him playing the lead role of Ibarra). During his brief career, he had worked with many leading ladies, particularly Kris Bernal, Lovi Poe, and Jackie Rice, as well as Glaiza de Castro, whom he once dated. He was one of the more wholesome Philippine celebrities since he was never involved in any controversy despite his high-profile life.                      

According to a statement from the TV network, Cielo, 20, was found dead on December 7, 2008 by his mother. The night before, he was last seen playing an online video game up until ten o'clock in the evening in an internet cafe in Quezon City. When he arrived home, he had a discussion with his mother about an emotional decision he made which ended in her telling him to be responsible. According to the report, his mother went to his room in their house in Antipolo at around six o'clock in the morning to wake him up for a charity event. When he did not respond, she immediately rushed him to the nearby Antipolo Doctor’s Hospital where the actor was declared dead on arrival about four hours after he arrived. An initial report states that he died in his sleep. At present, the cause of Cielo’s death remains unknown as his family waits for his medical records to be released. Speculation about the true nature of his death spread immediately after he died, with some trying to discern the mysterious events surrounding it, although some reports have stated that it was acute pancreatitis. His wake was held in his home for three days then his remains were brought to the Episcopal Cathedral of the Resurrection in Baguio, where it stayed for a day. His remains was laid to rest on December 15, in Bauko, Mountain Province, where he would be buried in his family's backyard according to traditional Igorot custom. A mass as held before his funeral. His death was a big disappointment to his family since his father has stated that he was supposed to return to school the following year. In an interview with his mother the day after his death, she said that she is happy that he was an inspiration to his fans although she is also disappointed since it appeared to her that her son had problems and was unable to discuss them to her. On the last day of his wake, Cielo's mother thanked all the fans who gave all their prayers and support.

Cielo's death caused many reactions from among his fans and colleagues alike, most of whom were shocked by his sudden death. Fellow Igorot were filled with mourning and disbelief when they heard about the event since he had been a model for their people. After his death, they immediately performed a ritual known as Cañao, believed to cleanse his soul during his journey to the afterlife. Even people from the rival network of his network were disappointed to hear the news,