Jonathan was Senior Vice President, Chief Growth and Strategy Officer at Solenis, and Senior Vice President, Corporate Development at AMG Advanced Metallurgical Group. Jonathan Costello joined White Mountains Insurance in 2019.
Jonathan Costello is currently Chief Financial Officer at NSM Insurance Group - View - NSM Insurance Group org chart
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Jonathan Costello has a Bachelor of Science in Accounting from Villanova University in 1993 and a Master of Business Administration in Finance from Columbia University - Business School in 1999.
They have also studied at Villanova University :
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They have also studied at Columbia University - Business School :
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