Greg was Chief Financial Officer at AeroGrow International, and President and Chief Executive Officer at Ankmar. Greg Clarke joined Berkshire Hathaway in 2013.
Greg Clarke is currently President of Insulation Systems at Johns Manville - View - Johns Manville org chart
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Greg Clarke has a Bachelor of Arts in Economics from Amherst College in 1982 and a Master of Business Administration in Finance from Columbia University, Columbia Business School in 1987.
They have also studied at Amherst College :
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They have also studied at Columbia University, Columbia Business School :
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