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.

Time Management Model: Pareto Principle | General Business

Time Management Model: The Pareto Principle

The Pareto Principle, also known as the 80/20 rule, is a time management model that suggests that 80% of the outcomes are...

Feb 21, 2023 -2 Minute Read

Time Management Model: Agile Method | General Business

Time Management Model: The Agile Method

The Agile time management model is an iterative and incremental approach to managing time and tasks, originally developed...

Feb 14, 2023 -3 Minute Read

Ladder of Leadership Delegation

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

Feb 10, 2023 -1 Minute Read

The Delegation Diamond

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

Feb 10, 2023 -1 Minute Read

Start-Stop-Continue | Facilitation Techniques

Facilitation Techniques: Start Stop Continue

We have had a vision for many years to write a comprehensive library of facilitation techniques. This post will form part of...

Feb 7, 2023 -3 Minute Read

Time Management Model: Eisenhower Matrix | General Business

Time Management Model: The Eisenhower Matrix

The Eisenhower Matrix is a time management model that helps individuals prioritise their tasks based on their urgency and...

Feb 1, 2023 -2 Minute Read

Time Management Model: Getting Things Done | General Business

Time Management Model: The Getting Things Done (GTD) Method

The Getting Things Done (GTD) time management model is a productivity system developed by David Allen in his book “Getting...

Jan 31, 2023 -3 Minute Read

Theory of Constraints

The Theory of Constraints (TOC) is a management paradigm that views any system as being limited in achieving more of its...

Jan 31, 2023 -1 Minute Read

Newsletter Sign-Up

Designed For You

Going out every 3 weeks, the Science of Self™ newsletter brings interesting, fresh and topical content to professionals in Talent Management, Human Resources, Learning & Development, People & Culture, Organisational Development, General Management and Consulting.

Welcome to Science of Self™

Our knowledge centre holds over 400 articles shared through the Science of Self™ newsletter. The topics are relevant to the fields of talent management, human resources, organisational development and business growth.

As the title suggests, we take an evidence-based approach to sharing content about people in the context of work. If you like what you see, consider signing up below!

Knowledge Centre Home

The Future of Work

Looking for a practical guide to help you rewire your business for the future of work?