MARK J. STONE

Corporate Board Profile

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NORTHERN TECHNOLOGIES INTERNATIONAL CORP

Filing Date Source Excerpt
2001-12-12 Mark J. Stone - President of Petrus International, Inc.; holds an A.B. from Harvard University.
2002-12-06 Mr. Stone has been President of Petrus International, Inc., an international consulting firm, since 1992.
2003-12-19 Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2004-12-13 Mr. Stone has been President of Petrus International, Inc., an international consulting firm, since 1992. Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2005-12-30 Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2006-12-11 Mr. Stone has been President of Petrus International, Inc., an international consulting firm, since 1992. Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2007-12-12 Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2008-12-12 Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2009-12-10 Mr. Stone has advised a variety of Japanese and other multi-national corporations in areas including project finance and international investment strategy.
2010-12-06 Mr. Stone has been President of Petrus International, Inc., an international consulting firm, and has financial expertise.
2011-12-19 Mr. Stone has been President of Petrus International, Inc., an international consulting firm, since 1992.
2012-12-05 Mr. Stone is President of Petrus International, Inc., an international consulting firm, and has experience in project finance and international investment strategy.

Data sourced from SEC filings. Last updated: 2025-08-30