Johan Raadsma
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Johan Raadsma
He is President of the Philippine Mineral Exploration Association. Mr Raadsma was appointed a director of Sierra Mining Limited on 28 May 2008. During the three year period to the end of the financial year, Mr Raadsma was a director of Crazy Horse Resources Inc. (November 2010 – October 2011).
Related Information
Positions - Previous
| Position | Company | Year | Company's current rank |
|---|---|---|---|
| Executive Director |  | 2008 - 2014 |
