Gerhard van Emmenis

Presmed Australia Pty Ltd. provides health care services. It offers day hospital facilities; provides operational and strategic management; establishment and support of a risk management program; and establishment and support of patient care. The company was founded by Carl Alfred Grillenberger in 1982 and is headquartered in Gordon, Australia.

Bonitas Medical Fund provides healthcare fund services. The firm offers a range of value-for-money medical aid options that provides cover for major medical expenses and chronic medication, as well as out-of-hospital benefits. It provides Oncology Management and Hospital & Medicine Management programmes, to provide members with support and ensure effective management of costs and is a choice for young professionals and growing families. The company was founded in 1982 and is headquartered in Sandton, South Africa.