Alexandru Sîrbu is known to the public in Moldova as a former majority shareholder of Sun Communications (Sun TV), a cable TV and internet operator sold to mobile operator Orange in 2016. At the time of the transaction, Sun TV was one of the largest cable operators in Moldova. Currently, Alexandru Sîrbu is associated with several companies and owns 80% of Selectcanal-TV SRL, which manages the N4 television channel. Another 10% is owned by his son, Eugeniu. His wife, Galina, was co-owner of a company that held a share in the company that managed RTR Moldova television channel, whose license was suspended in December 2022 and subsequently withdrawn at the founders' request.

John Maxemchuk, the current administrator of Selectcanal-TV SRL and general director of N4 television, is a long-time business partner of Alexandru Sîrbu from the period when both were active at Sun Communications, where Maxemchuk served as director. Originally from the USA but settled in Moldova for many years, Maxemchuk was the president of the American Chamber of Commerce in Moldova (AmCham Moldova) between 2006 and 2012. From 2017 to 2019, he was Chief Operating Officer at Purcari Winery. He became general director at N4 in December 2022.