Purisuan

Purisuan is a global tech company founded in 1971.

CEOs

 * 1971-1985: Edward Ghonios
 * 1985-1999: Steve Guritz
 * 1999-2012: Müher Deyrile
 * 2012-2022: Stephen Sawbele
 * 2022-present: Edgar Holmes Johnson

President

 * 1987-2022: John McGregar Edwards
 * 2022-present: David Borbough Neyne