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William Kieser – Board Member

William Kieser

Business Development Executive

William is responsible for overall group strategy, business development and major projects oversight for the Calulo group.

William is a CA (SA) with experience and post graduate studies in the energy sector. His career has comprised finance, planning and strategy, marketing, manufacturing, international bulk commodity trading and shipping,  and overall supply chain and project management  at senior executive levels and as consulting to the wider industry.

Board of Directors


Mkhuseli Faku
Executive Chairman

Gabby Sequeira

Gabby Sequeira
Chief Executive Officer

Dr. Nompumelelo P. Siswana

Dr. Nompumelelo P. Siswana
Executive Director