To drive transformation in a large organization, leaders must create a cultural movement rather than issuing top-down mandates. This involves creating a bold vision, empowering a community of 'changemakers,' and developing 'artifacts of change' like awards and new metrics to reinforce behaviors.

Culture change often feels abstract and daunting. Reframe it as changing a collective set of beliefs. Just as an individual reframes a personal blocker, a team can consciously align on the shared beliefs needed to achieve its goals. This makes culture change a tangible process of checking and resetting shared assumptions.

To get buy-in for NYT's transformation, A.G. Sulzberger was advised that logic gets you 90% of the way; the final 10% requires addressing emotional blockers. He systematically met with all 1,300 newsroom employees to hear and answer their specific fears, not just present data.

Radically changing a large company's culture is a decade-long endeavor. A faster, more effective approach is to identify the organization's existing positive cultural DNA. The UniCredit CEO interviewed over 20,000 employees to find their core values, then built his transformation strategy to amplify those strengths.

Leaders are often hired to drive transformation but then face resistance when their changes create discomfort. Marketers must proactively manage expectations by framing this discomfort as a necessary and temporary part of the journey toward achieving the desired growth.

Top-down corporate announcements often fail to resonate. A more effective strategy is to first identify influential mid-level managers. Pre-brief these "change agents" on the "why" behind a change, enabling them to champion it authentically within their own teams.

The CEO of AT&T, a 40-year veteran, argues that an insider who understands the company's DNA can be more effective at evolving its culture than an external disruptor. This challenges the common belief that transformational change requires bringing in a complete outsider.

When driving major organizational change, a data-driven approach from the start is crucial for overcoming emotional resistance to established ways of working. Building a strong business case based on financial and market metrics can depersonalize the discussion and align stakeholders more quickly than relying on vision alone.

To manage an overwhelming list of necessary business changes, Walmart's leadership began by clearly articulating what would remain constant: its core values. This provided a stable foundation, making the subsequent, widespread transformation feel more manageable and less threatening for employees.