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Trevor O'Sullivan

Trevor O'Sullivan

General Manager. Since the early 2000s, Trevor has worked with thousands of Talent Management professionals to develop and apply assessment-based talent management solutions for selecting, developing and managing people. Trevor is an active member of the TTI Success Insights (TTISI) Global Advisory Council, contributes to TTISI product development and is a regular presenter at TTISI-R3. He is honoured to have received multiple Blue Diamond Awards and, more recently, the Bill Brooks Impact Award recognising his contributions to the TTISI global network.

DISC Profile Infographic | Profiling & Assessment Tools

DISC Profile Infographic

This infographic serves as an introduction to the DISC profile and includes a diagram of the four-quadrant DISC model,...

Advantages of TTISI DISC Assessment | DISC Profile

Advantages of TTISI DISC Assessment

Our DISC assessment is not like others. Below we have listed some of the key points of difference to consider about the TTI...