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Directors & Structure2018-12-04T09:26:38+00:00

Frans van Hoogstraten (69)
Non-Executive Director
Dip. Law (UCT)

Frans practised as an attorney, notary public and conveyancer since 1974 and is a retired director of Bowman Gilfillan Inc. of Sandton where he practised in the firm’s corporate department. Frans is an experienced commercial attorney, Frans acted in a large number of major commercial transactions for both local and international corporate clients.  Frans has served as Chairman of the company since 2014.

Carl Grillenberger (74)
Chief Executive Officer
B.Comm CA (SA), MBA

Carl is a director of various associated and subsidiary companies in Australia and South Africa. He has gained substantial knowledge of the healthcare industry in various countries and is well equipped to manage organisations involved with services rendered by private hospitals and day hospitals.

Carel Snyman (43)
Chief Financial Officer
B.Com (Hons), CA(SA)

Carel graduated from the University of Pretoria with a BCom (Hons) Acc degree and CTA. He completed his articles at Ernst & Young and registered with SAICA as a Chartered Accountant in 2001. He joined Advanced as group Financial Manager on 1 January 2015, after working in the private hospital industry for eight years. He was appointed as CFO on 1 September 2016.

Marc Resnik (60)
Managing Director Presmed Australia
Dip Pharm (SA)

Marc is a business executive, with more than 35 years’ experience in the pharmacy and healthcare sector, involving directorship positions and ownerships in both public listed healthcare companies and private companies.  Marc is the MD of Presmed, a healthcare company that invests in and specialises in the establishment and the management of day hospital facilities in Australia, with a focus on eye, ear-nose-throat and oral-maxillofacial surgery.

Philip Jaffe (78)
Non-Executive Director
B.Comm, CA(SA), HDip Tax, CA (Australia)

Philip was the senior partner and subsequently chairman of Moores Rowland, Johannesburg and served on the boards of a number of public companies. Philip has a wealth of experience which entails over 35 years in public practice and involvement in the listing of approximately 20 companies on the JSE and the original secondary market.

Tommy Mthembu (56)
Non-Executive Director
MB Bch (Rand), FC Ophth (SA)

Tommy holds a MBBch and FCOpth qualification. He worked in private practice as a general practitioner from 1992 to 1996.  In 2001, he qualified as an ophthalmologist and is practising as such.  He is also an ardent businessman with a keen interest in day hospitals.

Johan Oelofse (49)
Non-Executive Director
MB ChB

Johan qualified as a medical doctor at Stellenbosch University, after which he worked for three years in England, Wales and New Zealand. After returning to South Africa, he completed his diploma in anaesthetics and then changed his focus to ophthalmology before venturing off into the healthcare business environment. He is the co-founder of Spesnet.

Cor van Zyl (71)
Non-Executive Director
B.Com (Hons), CA(SA)

Cor is a Chartered Accountant with 22 years’ experience in the auditing profession as a partner of Coopers & Lybrand, before moving into commerce for a further period of 14 years. This included five years as financial director of Afrox Healthcare Limited, as financial director of African Oxygen Limited for six years and at Advanced for three years.  He currently serves as a non-executive on various boards.

Cobus Visser (50)
Alternative to P Jaffe
BLC, LLB (UP)

Cobus obtained a BLC LLB degree from the University of Pretoria in 1989.  He commenced articles with Gildenhuys van der Merwe Inc. in 1990 and became a partner in 1994.  He continued in practice until 1998 when he joined Bremer Investments at the end of 1998.  He was appointed as Managing Director in 2000 and still serves in this capacity. He currently serves as chairman and member of a number of boards.

Dorena Goss-Ross (51)
Alternative to C Grillenberger
BA, Diplomas in Business Management and Healthcare Risk Management

Dorena graduated from Nelson Mandela University with a BA degree in 1988.  She entered the healthcare industry in 1994.   She has a wealth of experience within the private hospital sector across all areas of service delivery including the commissioning of hospitals. She is the representative of Advanced on the DHA. She was appointed as Chief Operating Officer of Advanced during 2017.