Our Team

Dr Freda P. Janse van Rensburg
Consultant and Investigator
BM (1978); MMED (Neurology) (1984) M Med (Pediatrics)(1990)
Formal Courses: Dispensing license

Dr Daniel J. Volschenk
MB.ChB (1985)
Formal courses: ACLS (Mar 2002); ATLS (Aug 2002) APLS (Oct 2003); PALS (2004)

Anieta Lombard
RN, BA Cur, Hons BA (Psychology), MSoc Sc

Rhona J. Middle
RN, BA Cur, Hons BA (Psychology)

Dr Trevor John Gould
MBBCh (1994); FCP (2000); MMed (2007)

Dr Susan Arnold

Annemarie E. Campher
Independent Rater
RN, BA (Psychology and Criminology), Hons BA (Psychology)

Astrid Meas
Logistics Manager/CTA

Lizelle Martin
Data Manager/Senior CTA

Dr Maria Henning
MBChB, MMed (Micro), FCPsych (SA), MMed (psych)

Dr. Johannes J. van Heerden

Background & History

Excellentis Clinical Trial Consultants is a private Clinical Research Site, established in the year 2000.

Excellentis Clinical Trial Consultants comprises experienced, results-orientated health-care professionals, who are dedicated to providing quality service in managing and conducting clinical trials, covering multiple therapeutic areas and diseases.


The Excellentis Logo

The Excellentis logo reflects dynamic human movement in providing reliable clinical data, so as to advance new medical treatments, designed to improve the human family’s quality of life.

The Excellentis logo represents progress, new development, and the human element in interaction between sponsor, CRO and participants in clinical trials.


Excellentis Clinical Trial Consultants is based in George, known as “the heart of the Garden Route” at the foot of the Outiniqua mountains, a stone’s throw from the sea.

The office is located in York Street, approximately 15 minute’s drive from George Airport.

Within a radius of 150 km from George, prominent towns such as Mossel Bay, Oudtshoorn and Knysna provide a significant number of volunteers and participants for clinical research studies.

The area has a well-developed health system, on both private and governmental levels.

A well equipped Phase I Unit, suitable for performing first-in-man or bio-equivalence clinical trials (with overnight facilities for in-house studies), is situated in close proximity.

We have access to accredited Radiological and Pathological services, with extensive experience in clinical trials.

Site Facilities Include:

  • Computers
  • Copier-scanner (Dedicated)
  • ECG programme (Dedicated lap-top)
  • Scale
  • Height meter
  • Room-temperature Centrifuge as well as Refrigerator Temperature Centrifuge
  • Freezer (-20ºC) Manual temperature log kept on working days
    Fridge (2-8 ºC) Temperature log kept
  • Investigational Product Storage Room (Access – and temperature-controlled 24/7 )
  • Source-data storage room (Access-controlled, with fire alarm)
  • Monitor and patient interview rooms
  • Examination rooms
  • Patient-consulting room
  • Offices
  • Reception area/waiting-room for patients
  • Conference room
  • Toilets(wheelchair Access)
  • Kitchen (Fully-equipped)
  • Fast Wi-Fi Internet

Backup Facilities Include:

  • Basic life-support equipment and anaphylactic shock treatment kit
  • Ambulance service (available within 5 minutes)
  • Security firm (informs us within five minutes of a power failure)
  • Smoke-detector in document storage room
  • Frozen samples delivered to central laboratories within 24 hours
  • 12-hour power back–up for server and telephone system
  • Real-time off-site electronic data back-up
  • Dedicated IT support

Backup Infrastructure Includes:

  • Service contract with registered medical waste-disposal company
  • Ambulance service (5 minutes from site)
  • Three hospitals (within one kilometer, and 5 minute’s drive from site)
  • Certified laboratory services at local facilities
  • Radiology and scan facility (near site)
  • Access to several national and international courier services