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Cultivate Monthly | September 2026

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The Invisible Architecture of Leadership


A note from Kat

Katriina Tahka, Founder & CEO

This time of year is often the point when leaders either re-energise or quietly begin to drift.

This month, I explore something most organisations have never clearly defined: the architecture that determines who gets seen, who is advocated for and who is left to stall.

The issue isn’t your people. It’s the system around them, and you can only begin to change that system once you can see it.


This month’s focus

The Invisible Architecture of Leadership

Every organisation has an architecture to its leadership. Systems, processes, mindsets and habits that decide who ends up in the room. It’s rarely written down anywhere, which is exactly why it holds. This month we’re looking at how proximity to power actually works, and what changes when someone with influence starts saying a different name.

There are people who have a voice. And when they say something, stuff happens. So what are they actually saying, and who are they saying it about?

Katriina Tahka

That question is the whole of sponsorship. Catalyst puts the distinction cleanly: a coach talks to you, a mentor talks with you, and a sponsor talks about you. The talking about is where advancement is decided, and it happens in rooms most people never enter.

Our national survey found 31% of women say a lack of visibility is what’s getting in the way of their next promotion, and 62% have never been sponsored at all. The capability is already in the building. The advocacy isn’t.

The encouraging part is what leaders told us. 63% said they would sponsor someone if given the opportunity. Most senior people aren’t unwilling. They’ve just never been given a structure for it.

Source: Women’s Agenda x Cultivate National Survey, 2024


Watch the conversation

Kat on Cuppa: what it takes to redesign the system, not the people

▶ Play the conversation

Kat joined Luke Cook at Cuppa in Barangaroo to unpack how leadership systems get built, why they hold so well, and where a leadership team can start pulling one apart. Three things worth taking into your next exec meeting:

  • Don’t ask who your best leaders are. Ask what leaders are visible, and why.
  • In a sponsorship pairing, the senior leader is the real learner. Not the sponsee.
  • “What leadership model have we inherited, and is it still fit for purpose?” belongs on your risk register.

Watch the Full Conversation


Program update

SJ Group, two cohorts at the midway mark

SJ Group Australia and New Zealand recently marked the midway point of their program. The SJ Group Middle East and Africa cohort has completed separate group coaching sessions for sponsors and sponsees, ahead of their midway check-in on 29 September.

Both cohorts have already shared valuable insights and learnings from their experience so far, and we look forward to sharing more about their progress and impact once the programs complete.

We also promised you the full European sponsorship case study this month. That cohort has just finished, and we want the outcomes in it to be real rather than early. We’re taking a little longer to get the detail right, and it will be in the next edition.


From Kat

Notes from Inari: what the Sámi taught me about leading well

In July I travelled to Inari in Sápmi, Finnish Lapland, with Carlyn, to sit with Sámi women and listen to how they think about leadership.

In Sámi tradition, no one owns the herd or the land. The knowledge of how to read them is held collectively, built over generations, and the person whose judgement carries the most weight is simply the person who has shown they understand the terrain. There’s no annual performance review. There’s the question of whether the herd survives winter and whether the community is thriving.

Standing in Inari, I found myself asking how much of what I call leadership instinct I actually inherited from my country. And how much of that inheritance would even register inside the organisations I work with every day, where authority still runs on title and time runs on the financial year.

I’ve written the full reflection down. It features reindeer.

Read Kat’s Full Reflection

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Coming up next

Our next edition turns to succession and pipeline engineering. Building your next leaders rather than hoping they rise, and what it takes to make progression a system instead of a series of lucky conversations. We’ll look at what a real internal pipeline needs underneath it, and why goodwill on its own has never been one.

Thank you for being part of the Cultivate community. Let’s keep building pathways for growth together.

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