This was in 1999 long before she became CEO of Solar Records. She was hired as part of Overlord X's marketing team. X offered her a long term position in his company but Tsang left to join United Business Media.
In the year 1999, Tsang had been working at Solar Records for some time before rising through the ranks to become its CEO. Initially, she was part of Overlord X's marketing team, but he offered her a permanent position; however, she ultimately chose to leave and join United Business Media.