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About Us

Established in 1992 (when shark cage diving was unknown at Dyer Island), White Shark Ecoventures became one of the first companies to offer shark viewing / diving tours in the channel at Dyer Island. The company has gone from strength to strength and today, are better known as the most experienced and longest established operator in the field. Our directors consist of Cindy Thornhill, Mariette Hopley, Margo Francis and Nyami Booi. Our company is Black Economically Empowered, since we believe in gender and race equality as well as job creation in order to fight poverty in South Africa.

Our tours are not only highly educational, but we also actively participate in documenting valuable research information on great white sharks, which is forwarded to Marine & Coastal Management Research and various Marine Biologists world-wide. Our company were the founders of the Great White Shark Protection Foundation, a body dedicated to the protection and preservation of the great white shark globally.

Our crew consists of; SATOUR registered specialized tour guides; Dive Masters; Level 3 Medics; Qualified shark handlers and PDP licensed drivers. Our skippers are licensed with ICASA (Independent Commission Authority of South Africa), as well as SAMSA (South African Maritime and Safety Authority

Management and staff:

Each staff /crew member is highly qualified in his/her specific field and combined have more than 20 years experience with the great white shark;

  • Cindy Thornhill – Chief Executive Officer
  • Mariette Hopley – Managing Director
  • Jackie Booi – Director
  • Nyami Booi - Director
  • Eileen McCausland: Marketing Manager
  • Robert Cope: Satour Registered Tour Guide, Level 3 Medic, PADI Dive Master, A1(1) Commercially licenced skipper, ICASA licensed radio operator and PDP licensed driver. Registered with SAMSA (South African Maritime & Safety Authority.
  • Wiehann Myburgh: Satour Registered Tour Guide, Level 3 Medic, NAUI Dive Master, A1(1) Commercially licensed skipper, ICASA licensed radio operator and PDP licensed driver. Registered with SAMSA (South African Maritime & Safety Authority.
  • Hansie van der Merwe: A1(1) Commercially licensed skipper, Qualified shark handler, ICASA licensed ratio operator and Captain of the boat. Registered with SAMSA (South African Maritime & Safety Authority.
  • Sarel Esterhuizen: Logistical Manager
  • Lucas Magungxu: Field Guide / Crew
  • Zwayi Jonase: Field Guide / Logistics Assistant
  • Andile Tubela: Logistics Assistant
  • Lauwrence Mjivu: General worker / Tour Guide
  • Joana Vrees: General worker / Catering
  • Catherine van Wyk: Admin / General

Meet The Staff

Great White Shark Protection Foundation