Juha Hernesniemi

 (18 October 1947 – 25 June 2023) was a Finnish neurosurgeon and professor emeritus of the neurosurgery department in Helsinki.

was born in on 18 October 1947. He had a special interest in cerebrovascular diseases that are surgically amenable, especially aneurysms and AVMs. He published extensively and is widely cited within this particular domain of neurosurgery. died in Helsinki on 25 June 2023, at the age of 75.

Education

 * 1973 Medical Doctor (MD)
 * 1979 Doctor of Medical Science (PhD)
 * 1998 Professor in Neurosurgery

Position and contact information (as of October 2015)

 * Professor Emeritus, Department of Neurosurgery in Helsinki University Hospital,
 * Working as Visiting Professor and Head of Neurosurgery at Nobel Institute for Neurosciences Biratnagar Nepal

Specialization

 * 1979 Specialization in Neurosurgery
 * 1987 Associate Professor

Work experience

 * 1979–1983 Senior consultant in neurosurgical departments (Helsinki, and )
 * 1983–1991 Assistant Chief Physician, Neurosurgery Department, University Hospital
 * 1991–1992 Chief Physician, Neurosurgery Department, University Hospital
 * 1992–1993 Research and Teaching Fellow, Neurosurgery Department, University of Miami
 * 1993–1997 Chief Physician of Neurosurgery Department, University Hospital
 * 1997–2015 Chairman, Department of Neurosurgery in Helsinki University Hospital,
 * 2015–2023 various ad-hoc appointments as visiting professor in Peru, Italy, Nepal

Memberships in scientific advisory boards

 * 1999–2023 Member of International Advisory Board, Neurosurgery
 * 1999–2008 Member of International Advisory Board, Surgical Neurology
 * 2002 Member of International Advisory Board, Zentralblatt für Neurochirurgie
 * 2008–2023 Associate Editor, Surgical Neurology

Other academic and professional activities

 * Supervisor for 8 doctoral dissertations
 * Co-supervisor for 5 doctoral dissertations
 * General Secretary for 2 International Congresses: 40th Annual Meeting of the Scandinavian Neurosurgical Society, 1989 and EANS Winter Meeting, Finland, 1994

Personal neurosurgical operative experience

 * 14,000 operations including:
 * cerebral aneurysm >4,000 patients
 * intracranial AVM and DAVF >500 patients
 * brain tumour >3,000 patients
 * head injury >600 patients
 * cervical spine >800 patients
 * lumbar spine >300 patients
 * spinal tumour >300 patients

Visits and study periods at neurosurgery departments world-wide

 * University of Bucharest, Romania (Prof. Arseni), 1978
 * University of Zürich, Switzerland (Prof. Yasargil), 1982
 * Semmelweis University Budapest, Hungary (Prof. Pásztor), 1984
 * The National Hospital, London, UK (Prof. Symon, Prof. Crockard), 1988
 * Department of Clinical Neurological Sciences, London, Canada (Prof. Peerless, Prof. Drake), 1989
 * Semmelweis University Budapest, Hungary (Prof. Nyáry, Prof. Vajda), 1991
 * Hospital Notre Dame, Montreal, Canada (Prof. Bertrand), 1991
 * University of Zürich, Switzerland (Prof. Yasargil), 1992
 * University of Miami, FL, USA (Prof. Peerless, Prof. Drake, Prof. Rosomoff, Prof. Green), 1992–1993
 * University of Zürich; Switzerland (Prof. Yonekawa), 1997
 * University of Mainz, Germany (Prof. Perneczky), 1998
 * University of Arkansas, Little Rock, AR, USA (Prof. Yasargil, Prof. Al Mefty, Prof. Khrist), 2001
 * University of Utrecht, The Netherlands (Prof. Tulleken), 2002
 * University of Padua, Italy (Prof. Scienza, Prof. Pavesi), 2003
 * University of Frankfurt, Germany (Prof. Seifert, Prof. Raabe), 2004
 * Universitas Padjadjaran, Indonesia (visiting professor), 2016