John Calys – Biography
Last update: April 21, 2026Executive profile
John was Vice President, Corporate Controller at XO Communications, and Vice President at Sprint Nextel Corporation. John Calys joined Verisign in 2010. John served as Vice President, Global Controller at Verisign.
John Calys is currentlyChief Financial Officer at Verisign - View - Verisign org chart
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Education
In 1983, John Calys completed a Bachelor of Science in Business and Master of Science in Accounting at University of Kansas.
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- At Verisign, John Calys has 22 colleagues including James Bidzos (CEO & Chairman), Thomas Frist (Director)…
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- In the IT Security industry, John Calys has 9,468 colleagues in 566 companies located in 40 countries. 7,272 executive movements have been recorded in the last 12 months. Learn more about IT Security.
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