Jeff Koshkin – Biography
Last update: March 4, 2026Executive profile
Jeff was Senior Manager, Capital Markets Group for Deloitt. Jeff Koshkin joined Constellation Energy in 2008. Jeff served as Chief Risk Officer and Vice President Corporate Controller for Constellation Energy.
Jeff Koshkin is currentlySenior Vice President and Chief Accounting Officer at Calpine - View - Calpine org chart
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Education
In 1998, Jeff Koshkin completed a Master in Finance and Accounting at University of Texas at Austin.
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Company Colleagues
- At Calpine, Jeff Koshkin has 38 colleagues including Andrew Novotny (CEO), Thad Hill (Chairman of the Board)…
Industry Colleagues
- In the Energy industry, Jeff Koshkin has 18,143 colleagues in 934 companies located in 54 countries. 10,135 executive movements have been recorded in the last 12 months. Learn more about Energy.
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