Biography of John Callahan

Last update: March 4, 2022


John Callahan is currently Chief Technology Officer at Veridium - View - Veridium org chart

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The colleagues of John Callahan

Company Colleagues
  • John Callahan - Chief Financial Officer - CAPA
  • John Callahan - Partner, Head of International Health Mergers and Acquisitions, Managing Partner of Chicago Office - McDermott Will & Emery
Industry Colleagues
  • In the Software industry, John Callahan has 44,029 colleagues in 3,121 companies located in 65 countries. 25,227 executive movements have been recorded in the last 12 months. Learn more about Software.

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