Complex sentence: Upon graduating from her Broadcast Journalism & Media studies from Sheridan College, Roy headed for the USA and was hired by NBC in Yuma, Arizona but a visa issue prevented her from pursuing her job there.
Split into simpler sentences: Upon graduating from her Broadcast Journalism & Media studies from Sheridan College, Roy headed for the USA and was hired by NBC in Yuma, Arizona. However, a visa issue prevented her from pursuing her job there.