TTI DISC Accreditation - TTI South Africa
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TTI DISC Accreditation

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Tangible Results

Over thirty years, we’ve helped more than 100,000 companies improve the lives and productivity of their employees, organisations and management teams. These results are real, impactful and powerful.

“Our clients rely on us to provide objective, accurate, comprehensive into the true potential of sales candidates. SI’s multi-science assessments are the ONLY instruments with validity backed by brain research. The TTI SI Team and their VAA network have become our trusted advisors, friends, and business partners.”

Chriss Young, CEO – The Rain Maker Group

The Rain Maker Group is a top Sales Training, and Sales Selection consultancy and one of the leading provider of sales, leadership, sales coaching, and customer service training in the world.

trusted by these leading brands


Take the first step in becoming a TTI DISC Authorized Practitioner: