age:
97 years
appointments:
0 active
10 prior
primary industry:
Scientific research and development
about Ralph
Since 1991, Sir Kohn has been a director of 10 companies, the current directorship have a combined turnover of approximately £0.
Combined Valuation
Combined Turnover
active directorships over time
company | turnover | valuation | start | end | status | role |
---|---|---|---|---|---|---|
harley street holdings limited | Nov 1991 | Nov 2016 | Retired | Director | ||
the wigmore hall trust | Jan 2015 | Nov 2016 | Retired | Director | ||
raphael editions limited | Apr 2006 | Nov 2016 | Closed | Director | ||
liver research and development limited | - | Feb 2012 | Nov 2016 | Retired | Director | |
advisory services biotechnology limited | - | - | Nov 1993 | - | Closed | Director |
advisory services medical symposia limited | - | - | Nov 1991 | - | Closed | Director |
razoxane limited | - | - | Jul 1992 | - | Closed | Director |
advisory services (r & d) limited | - | - | Nov 1991 | - | Closed | Director |
clinical trials london limited | - | - | Nov 1991 | Jul 1998 | Closed | Director |
harley street pathology limited | - | - | Dec 1991 | - | Closed | Director |