Robert William Collymore (usually Bob; 13 January 1958 – 1 July 2019) was a Guyanese-born Kenyan businessman who served as the chief executive officer at Safaricom, a multi-national telecommunications company based in Kenya.

[2] Collymore married his third wife, Wambui Kamiru, an artist, on 1 April 2016 in an invitation-only wedding at an upmarket residence in Kitisuru, Nairobi.

[3][4] Collymore met Kamiru in Nairobi during a fundraiser for survivors of the Loreto Convent Msongari school bus crash that occurred in July 2011.

Wambui was part of the event in her capacity as an alumnus and Collymore was there representing Safaricom Foundation with fundraising.

[citation needed] Collymore travelled to the United Kingdom in October 2017 to receive treatment for acute myeloid leukemia.