Guillermo Sierra has designed, developed, and launched free and pay TV channels in the United States, Europe and Latin America. He has professional relationships  with content suppliers, producers and television networks worldwide. He has also produced over 1000 hours of content in multiple genres including current affairs,  news, entertainment, lifestyle, factual, music and reality.

In addition Guillermo has an expertise in children’s television having participated in the design, launch, and operation of multiple networks. In 1992 as Marketing Director for Televisa’s Cablevision  in  Mexico, Guillermo  was responsible  for the  launch  and introduction to the market of Cartoon Network. During his tenure as VP of Networks for LAPTV, Guillermo worked very closely with  the  company’s  studio  partners  and distributors in developing a constant offering of family and children’s content including international megahit franchises like LucasFilms’ Star Wars and Dreamworks’ properties. As VP of Content for the Discovery Networks Latin America / Iberia Guillermo had direct responsibility for the management and growth of Discovery Kids, the  top  preschool service in Latin America. He was also a co producer in Sesame Workshop’s  Plaza Sesamo. As CCO of Vme, Guillermo designed and managed a daily six-hour block of top quality preschool content that became a signature for the network  and  that  later evolved into the 24-hour stand-alone pay TV channel Vme Kids. Guillermo has been a speaker  at  specialized  children’s  television  international  conferences  including KidScreen and MIPCOM. In 2011 and 2012 he was a juror for the International Digital Emmys in the Children’s categories.

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