TSC in Action ✨ (TSC News #11)


Edition #11

Your weekly update from The Sustainability Circle. What in-house sustainability leaders are trying, tackling, and talking about — delivered weekly in under 5 minutes.

This Edition:

We’re giving you a rare look inside one of our Personal Board of Advisors sessions. Normally these sessions are private. This one we recorded so you can see how members tackle real challenges together.

⏱️ Read time: 3 min

TSC in Action ✨

We’re often asked how our Personal Board of Advisors format works.
And the truth is: it’s hard to explain.

The energy of sitting with a trusted peer group. The honesty when someone puts a challenge on the table. The shift that happens when the right question opens a new angle. Those moments don’t translate well into words — you have to experience them.

So instead of describing it, we decided to show it.

Normally, these sessions are private. That’s what makes them safe. That’s what makes them powerful.
But this time, a few long-term members agreed to open the doors. For the first time, you can see TSC in Action.

What you’ll see isn’t a production. It’s a simple recording of leaders from real companies, tackling real problems, in real time. Just one slice of what happens inside TSC every week, but one that captures the spirit of it: peers helping peers, growing together.

video preview

What the format is

Personal Boards of Advisors are one of the core formats inside TSC.
Every member is matched into a tailored peer group of senior sustainability leaders.

Think of it like your own circle of strategic sparring partners. A tight-knit group meeting for monthly board calls built to help you pressure-test decisions, unpack challenges, and move faster.

Every session, group members have the opportunity to bring forward challenges, and the group works them through together.

It’s part problem-solving, part coaching, part accountability and over time, these groups grow into trusted circles that become a cornerstone of members’ leadership journey.


What you’ll see in the video

The challenge in this particular session came from Jamie, Global Head of Sustainability at Wolt: how to engage the “missing middle” — meaning middle managers who weren’t necessarily blocking sustainability, but weren’t championing it either.

The conversation that followed showed why the format works:

  • Sharp questions reframed the issue. Instead of jumping to advice, peers asked: What’s really material for middle managers? How is the strategy communicated day-to-day? What role do incentives play?
  • Concrete approaches were shared. Members pointed to role-based training tailored for managers, linking sustainability to cost and margin, and creating recognition through healthy competition. One leader even shared how they tied bonuses to CO₂ reduction targets — not just sustainability KPIs, but business outcomes tied directly to managers’ performance.
  • The discussion turned into action. Jamie left with three clear next steps: build recognition into how managers are measured, introduce healthy competition between teams, and run co-creation workshops so managers shape the agenda instead of just receiving it.

How this fits inside TSC

TSC isn’t built on one single format.

Members join roundtables to trade perspectives on what’s happening right now.

They come to Show & Tell sessions to see how others are making ideas work inside their companies.

They step into mindset workshops to grow the leadership side of their role.

All of these go deep in their own way.

But the Personal Board of Advisors is where it all comes together.

It’s the core. The place you return to every month with the same group of peers. The space where trust builds, where you don’t have to explain yourself twice, and where people remember what you promised last time.

That continuity and that accountability is what makes it so powerful and unique.


👀 What you saw in this session is just one glimpse of life inside TSC.
If you’d like to see the bigger picture:

👉 Find out more about membership here

New here or missed a week?

You can always catch up on past editions on our website.

Recent highlights range from insights on how to make circular models a true business case in your company, to what may be hindering transformation even when your strategy is the right one.

👉 Find recent editions here

Crafted with care in Berlin 💜

TSC Earth UG (haftungsbeschränkt)
Lohmühlenstr. 65, 12435 Berlin, Germany

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