Leyton Jefferies – Biography
Last update: March 11, 2026Executive profile
Leyton Jefferies is currently
Head of Cyber Security Services at CSI - View - CSI org chart
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The colleagues of Leyton Jefferies
Company Colleagues
- At CSI, Leyton Jefferies has 11 colleagues including Roy Struthers (Commercial), Simon Paterson (CISO)…
Industry Colleagues
- In the Telecommunications industry, Leyton Jefferies has 23,186 colleagues in 1,581 companies located in 144 countries. 14,576 executive movements have been recorded in the last 12 months. Learn more about Telecommunications.
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