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
From Sustainability Analyst / Specialist (Internal)
3-5 years as an Analyst/SpecialistSkills to master
- Mastering GHG accounting, taking ownership of a specific ESG reporting process (e.g., CDP response), building strong data validation skills, and starting to lead smaller internal projects.
You're ready to move on when
- Consistently delivering high-quality, 'assurance-ready' data for core ESG metrics.
- Successfully managing a specific sustainability process end-to-end with minimal supervision.
- Proactively identifying and proposing solutions to data quality or process inefficiencies.
- Receiving positive feedback on your ability to work with and influence internal stakeholders.
- 2
From Environmental/ESG Consultant
5-7 years in consulting, with project leadership experienceSkills to master
- Translating consulting experience into in-house execution, navigating corporate politics, building long-term internal relationships, and adapting to a single company's specific challenges rather than project-hopping.
You're ready to move on when
- Demonstrable experience leading client engagements on sustainability strategy, reporting, or data management.
- Strong project management skills, including managing budgets and timelines.
- Experience presenting to and influencing senior client stakeholders.
- A clear understanding of how to drive change within a large organisation, not just advise on it.
- 3
From Related Corporate Function (e.g., EHS, CSR, Supply Chain)
6-8 years in a related role, with a strong sustainability focusSkills to master
- Deepening knowledge of core ESG frameworks and data requirements, understanding the broader strategic context of sustainability beyond their previous specialism, and developing cross-functional influencing skills.
You're ready to move on when
- Successfully led sustainability-related initiatives within their previous function (e.g., waste reduction in EHS, ethical sourcing in Supply Chain).
- Demonstrated a proactive effort to learn and apply broader ESG principles.
- Strong project management and stakeholder engagement skills developed in their previous role.
- Clear articulation of why they want to transition into a dedicated sustainability role.