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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.

Exploring the McKinsey 7S | Change & Transformation

Exploring the McKinsey 7S

This month, we continue developing and delivering a leadership program for one of our customers. Many of these leaders are...

Time Management Model: The ABC Method | General Business

Time Management Model: The ABC Method

The ABC method is a time management model that involves prioritising tasks based on their importance and urgency. The model...

Ladder of Leadership Delegation | Leadership

Ladder of Leadership Delegation

This model suggests a gradual approach to delegation. Leaders begin by closely supervising tasks and gradually move up the...

The Delegation Diamond | Leadership

The Delegation Diamond

The Delegation Diamond is a framework that provides a comprehensive approach to delegation by focusing on four key aspects -...

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