She also spent time on loan in the United States with New Jersey Wildcats[1][3] (alongside compatriot Debbie McWhinnie) and in Iceland with ÍBV[1] (with fellow Scot Suzanne Malone).
[4] In 2007, Robertson was recruited to be part of the new women's football setup at Celtic – the team reached the Scottish Cup final in their first season but were defeated by Hibs,[5] and were unable to dethrone the increasingly dominant Glasgow City in the league.
[8] As her playing days drew to a close, Shepherd was appointed as the Spartans manager to succeed Debbi McCulloch in late 2015,[9][10] taking up the role for the 2016 season in which the club finished 6th.
[1] She remained there for over five years, in which Boroughmuir consolidated their position in the third tier SWFL First Division, then were promoted to the Scottish Women's Premier League 2 in 2020 after the withdrawal of Hutchison Vale from the competition.
[13] In her vocation as a personal trainer,[1] she had also overseen the development of Boroughmuir's most promising young player, Emma Watson, who soon moved on to a professional contract at Rangers and became a full international.