About ISS

The International Society of Six Sigma Professionals is a non-profit organization committed to upholding the global standard for the Six Sigma profession.

Verify ISS Employees

Truework allows you to complete employee, employment and income verifications faster. The process is simple and automated, and most employees are verified within 24 hours. Verifiers love Truework because it’s never been easier and more streamlined to verify an employee, learn more here.

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