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Culture by Design.
At Sellar Strategic Advisory, we believe great cultures don’t happen by accident, they’re built by design. Culture by Design is where we share ideas, insights, and stories about what it takes to create workplaces where people and performance thrive together.
Change Management


Why Clarity Is the Most Underrated Leadership Skill Right Now
Clarity isn’t about having all the answers. It’s about creating enough shared understanding for people to make good decisions without constant escalation.
Randall Sellar
6 days ago3 min read


January Reflections: Culture by Design
Across leadership, change, and culture work, organizations are asking more of their people, faster, simultaneously, and often without creating the conditions required to sustain it. The result isn’t resistance. It’s a strain.
Randall Sellar
Jan 301 min read


The Gap Between Change Strategy and Change Capacity
Most change doesn’t fail because people resist it. It fails because organizations don’t have the capacity to carry it. When change is treated as an event instead of a load, even the best strategies collapse under strain.
Randall Sellar
Jan 234 min read


Psychological Safety Isn’t Soft; It’s the Infrastructure of Performance
Psychological safety is often misunderstood as a “soft” concept. In reality, it’s one of the strongest predictors of performance, learning, and successful change. When people feel safe to speak up, challenge ideas, and admit uncertainty, organizations move faster, not slower. The data tells a very different story from the stereotype.
Randall Sellar
Jan 163 min read


What 2025 Taught Us About Leadership
2025 didn’t just test leadership; it revealed it. Leaders faced constant change, rising uncertainty, and growing demands for clarity and consistency. The year showed that effective leadership wasn’t about having all the answers, but about making aligned decisions, communicating clearly, and designing systems that could hold under pressure. The strongest leaders didn’t wait for stability; they created it.
Randall Sellar
Dec 19, 20254 min read


Driving Measurable Outcomes through Effective Change Management
n today's fast-paced world, change is not just inevitable; it is essential for growth and success. Organizations face constant pressure to adapt to new technologies, market demands, and customer expectations. However, managing change effectively can be a daunting task. Many organizations struggle to implement changes smoothly, leading to confusion, resistance, and ultimately, failure. This is where effective change management comes into play.

Randall Sellar
Sep 30, 20255 min read
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