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Human-Centered Systems Thinking in Action: Reframing Singapore’s MRT for Reliability, Trust, and Human Experience
When MRT systems falter, commuter trust erodes. This article explores human‑centered systems thinking, showing how feedback loops, leverage points, and stakeholder maps can transform reliability and resilience.

Allan Ung
Dec 31, 20259 min read


Human-Centred Systems Thinking: A Practitioner's Guide to Solving Complex Problems at Their Root
Discover how Human-Centered Systems Thinking (HCST) combines design thinking and systems thinking to help leaders thrive in the age of AI and complexity. Allan Ung of Operational Excellence Consulting explains why empathy, systems insight, and critical thinking are the true differentiators for sustainable innovation and operational excellence.

Allan Ung
Dec 29, 202514 min read


Critical Thinking Reimagined: A Practitioner's Guide to the 4-Lens Model
A practitioner's guide to OEC's 4-Lens Critical Thinking Model — Analytical, Lean, Design, and Systems Thinking — with six integration combinations, real client examples, and an optional fifth lens for strategic or creative audiences.

Allan Ung
Sep 23, 202518 min read


The Future of Agile HR: How to Adapt, Innovate, and Thrive in a Changing Workplace
Traditional HR is outdated. Agile HR drives adaptability, workforce agility & innovation. Ready to transform #FutureOfHR #AgileHR

Allan Ung
Feb 14, 20254 min read


Sustainability: Building a Future Where People, Planet, and Profit Thrive
Discover how sustainability can drive success for businesses and the planet. Learn from a leading consulting firm's expertise in Singapore.

Allan Ung
Jun 1, 20244 min read


Kaizen: A Practitioner's Guide to Building a Culture of Continuous Improvement
Most organisations implement Kaizen as a project. The ones that get lasting results treat it as a culture. Here is what the difference looks like in practice — and the six steps that bridge the gap.

Allan Ung
Jan 15, 202411 min read


A3 Hoshin Planning: The Strategy Tool That Bridges Execution Gaps
A3 Hoshin Planning is a strategic deployment framework that empowers organizations to navigate from their Current State to a Desired State. Unlike traditional planning approaches, A3 Hoshin focuses on prioritizing crucial aspects, allowing leaders to concentrate on what truly matters without being overwhelmed by unnecessary details. This transformative process serves as a clear path for organizations to streamline efforts, foster continuous improvement, and achieve strategic

Allan Ung
Dec 29, 20234 min read


Process Streamlining: 9 Proven Cost-Saving Approaches for Your Business
Discover 9 cost-saving approaches to boost profitability through process streamlining. Learn how process streamlining enhances profitability today!

Allan Ung
Apr 20, 20239 min read


The Five Needs Model: A Leadership Path to Effective Supervision
Unleash your leadership potential with the Five Needs Model. Discover the secrets to effective supervision and create a path to success.

Allan Ung
Apr 12, 20235 min read


5S Kaizen Event: How to Transform a Cluttered Workplace into an Organized One
In this blog, we will discuss what a 5S kaizen event is, the objectives and benefits of conducting one, select an area and those to avoid, understand the kaizen event rules, and how to plan and conduct a step-by-step 5S kaizen event.

Allan Ung
Apr 5, 20239 min read
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