[1] She relinquished he CEO/Managing Director role on 1 June 2022 when Andrew Maatla Motsomi became the new substantive CEO.
[2] Armstrong was born in Selebi-Phikwe, a copper and nickel mining town in the eastern part of the Central District of Botswana, circa 1974.
Later, she returned to BCL Mine as the divisional manager for finance and administration, working in that capacity for one year.
Se was hired and over the years, worked up the ladder until she became the chief financial officer of the conglomerate.
[3] In 2019, following the sudden death of her predecessor, she was appointed as the acting chief executive officer of Debswana Diamond Company Limited.