The pathway
How you actually get there, here
How you become one varies far more by country than what one does. This is the UK route. Most people take one of these ways in; the right one depends on where you're starting from.
- 1
Head of Sustainability for a Large Business Unit
3-5 years at that levelSkills to master
- Deep understanding of a specific business unit's operations and financial drivers, ability to tailor sustainability strategy to specific commercial contexts, managing a dedicated BU sustainability team.
You're ready to move on when
- Successfully developed and implemented a BU-specific sustainability strategy that delivered measurable impact.
- Consistently met or exceeded BU-level ESG targets.
- Proven ability to influence BU leadership and integrate sustainability into their core decision-making.
- Managed a team of 3+ sustainability professionals within the BU.
- 2
Principal, Sustainability Strategy or Transformation
4-6 years at Principal levelSkills to master
- Enterprise-wide strategic thinking, deep expertise in a specific complex domain (e.g., Scope 3 decarbonisation, circular economy), influencing without direct authority across multiple functions.
You're ready to move on when
- Owned and delivered a major enterprise-wide sustainability programme (e.g., global SBTi validation).
- Recognised as the internal 'go-to' expert for a critical sustainability domain.
- Consistently influenced senior stakeholders across multiple departments to adopt strategic sustainability initiatives.
- Mentored multiple senior sustainability strategists.
- 3
Senior Consultant / Partner in a leading ESG Consultancy
5-7 years at this levelSkills to master
- Client relationship management, business development, delivering strategic sustainability advice across diverse industries, managing large project teams, deep understanding of market trends and competitive landscapes.
You're ready to move on when
- Successfully led multiple complex ESG strategy engagements for large corporate clients.
- Developed new service offerings or thought leadership in the sustainability space.
- Managed project teams of 5+ consultants.
- Demonstrated strong commercial acumen and ability to generate revenue.