Attorney-at-Law, partner, Ms. Tarja Pirinen has worked at Kalliolaw since the establishment of the firm. Tarja Pirinen specializes in mining and information technology. She has assisted several international mining companies in acquisitions and transactions within the mining sector as well as in the legal questions relating to mining projects and the management of rights under mining law. Tarja Pirinen has been elected as one of the top 100 mining law lawyers in the world in 2011 by Lawyer Monthly Magazine.