MEDMARK - Key Persons


Dr. David Madden

Job Titles:
  • Partner
  • LEAD PHYSICIAN
Graduated from UCD in 1995. Is a Fellow of the Faculty of Occupational Medicine of the Royal College of Physicians of Ireland. He holds an MSc in occupational health & ergonomics, a diploma in employment law and certificates in travel & underwater medicine.

Dr. Jacintha More O'Ferrall

Job Titles:
  • Partner
Royal College of Surgeons Ireland graduate in 1990, joined the practice in 1997, studied general practice and later occupational medicine. Fellow of the Faculty of Occupational Medicine and Member of the Irish College of General Practitioners.

Dr. Jacques Bronkhorst

Job Titles:
  • Clinical Lead - Cork Practice
  • LEAD PHYSICIAN
Dr. Jacques Bronkhorst Clinical Lead - Cork Practice Graduated in South Africa in 1986, and joined the practice in 2008. Fellow of the Faculty of Occupational Medicine and Fellow of the Royal College of Physicians of Ireland.

Dr. Nicholas van de Water

Job Titles:
  • Clinical Lead - Galway Practice
  • LEAD PHYSICIAN
Dr. Nicholas van de Water Clinical Lead - Galway Practice Graduated in South Africa in 2007, and joined the practice in 2020. Member of the Faculty of Occupational Medicine and Fellow of the Royal College of Physicians of Ireland

Dr. Patricia Holland

Job Titles:
  • Founding Partner
UCD graduate 1984, joined the practice in 1989, studied gastroenterology, pharmacology, general practice and later occupational medicine. Fellow of the Royal College of Physicians of Ireland and Fellow of the Faculty of Occupational Medicine.

Dr. Robert Ryan

Job Titles:
  • LEAD PHYSICIAN
  • Managing Partner / Royal College
Dr. Robert Ryan Managing Partner Royal College of Surgeons Ireland graduate in 1989, joined the practice in 1995, studied general practice and later occupational medicine. Fellow of the Faculty of Occupational Medicine and Fellow of the Royal College of Physicians of Ireland.

Dr. Rosa de las Casas

Dr. Rosa de las Casas Clinical Lead - Dublin Airport Practice Graduated in Peru in 2003, and specialised in Occupational Health in Spain. Joined the practice in 2017. Fellow of the Faculty of Occupational Medicine.