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Sustainability Development Manager

Siam Piwat • Thailand • Added on Aug 18, 2026
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As the orchestrator of Siam Piwat’s environmental and social narrative, you will bridge the gap between technical ESG data and strategic storytelling. You will own the creation of the annual sustainability report, manage the company’s ESG database, and serve as an internal consultant for business units looking to integrate green practices into retail operations. Your day-to-day involves transforming complex performance metrics into clear, high-impact content for executive leadership and external investors.

This role is critical because Siam Piwat operates some of the world’s most iconic retail destinations, where sustainability must be visible and credible to millions of visitors. By leading the charge on global reporting standards and strategic disclosures, you ensure that the company’s vision for a sustainable ecosystem is backed by rigorous data and transparent communication. It is a unique chance to influence the ESG trajectory of Thailand’s luxury retail sector.

This suits someone who possesses a sharp analytical mind for data alongside a creative flair for corporate communications. You should be a confident navigator of international frameworks like GRI and IFRS who thrives in a fast-paced, high-visibility environment.

Job FAQs

What are the main missions and responsibilities of this role?

The primary mission of this role is to act as the central hub for all sustainability-related communications and data management. You will be responsible for translating the company's ESG performance into transparent and compliant disclosures, ensuring alignment with international standards like GRI and IFRS. Beyond reporting, you will serve as a strategic advisor to internal business units. Your goal is to help these departments embed sustainable practices into their core operations, ensuring that sustainability is not just a peripheral activity but a fundamental driver of business value and performance.

Key learning opportunities for this job

Joining a high-profile developer provides deep exposure to the intersection of luxury retail and sustainable real estate. You will gain hands-on experience with advanced ESG frameworks such as the DJSI Corporate Sustainability Assessment and FTSE Russell ESG Scoring, which are gold standards in the investment community. Furthermore, you will have the chance to work alongside global innovators and digital experts. As the company moves toward digital retail ecosystems and fintech, you will learn how sustainability reporting evolves in increasingly tech-driven and virtual business environments.

How does the ideal candidate look like (experience, skills)?

The ideal candidate brings a blend of technical ESG knowledge and superior communication skills. A background in Environmental Studies, Engineering, or Business Administration is expected, complemented by at least five years of experience in managing complex stakeholder relationships or corporate reporting. Native-level Thai and high proficiency in English are essential, as you will be drafting speeches for top management and reviewing reports for international investors. You should be someone who is comfortable navigating complex datasets in Excel while also possessing the 'storytelling' ability to make that data resonate with a non-technical audience.

Advice to stand out and make a successful application

To stand out, your application should demonstrate a track record of translation—specifically, your ability to take dense ESG metrics and turn them into compelling narratives that drive business decisions. Highlighting previous experience with the SEC’s 56-1 One Report will be highly beneficial for this Thai-based role. We recommend preparing a portfolio or case studies that showcase how you have successfully influenced cross-functional teams. Siam Piwat values 'thinking big,' so show how you have pushed boundaries in previous roles to make sustainability a core part of a brand's identity rather than just a compliance check.

What aspects of the company's sustainability is this role likely to focus on?

The focus is heavily weighted toward transparency and disclosure strategy. You will be the guardian of the ESG database, ensuring that every claim made in the sustainability report is backed by verifiable data. This is crucial for maintaining the trust of global brand partners and investors. Additionally, the role focuses on stakeholder ecosystem building. Because Siam Piwat operates physical shopping destinations, your work will likely involve initiatives that engage tenants and customers in waste reduction, energy efficiency, and social impact projects within the retail space.

What are the main challenges someone in this role might face?

One of the main challenges will be influencing internal business units that may prioritize immediate commercial targets over long-term ESG goals. As an internal consultant, you will need to prove the business case for sustainability to skeptical stakeholders. Another challenge lies in the evolving regulatory landscape. Keeping up with the rapid changes in global reporting standards like IFRS S1 and S2, while ensuring local Thai compliance, requires constant vigilance and the ability to adapt reporting processes quickly without losing data integrity.

How could a typical day look like for someone in this position?

A typical day might begin with analyzing the latest utility or waste data from one of the malls to update the ESG dashboard. Mid-morning might involve a meeting with the digital platform team to discuss how sustainability metrics can be integrated into the new 'Parallel World' customer experience. In the afternoon, you might shift to executive support, drafting a speech for a C-suite executive or preparing talking points for an upcoming industry panel. The day often concludes with reviewing drafts of press releases or digital content to ensure all sustainability claims are accurate and aligned with the broader corporate strategy.

What are the opportunities for professional growth and development in this role?

This role offers a clear path toward senior sustainability leadership within the real estate and retail sectors. Given the high visibility of the position, success here could lead to a Head of Sustainability or Chief Sustainability Officer role as the department expands. There are also opportunities for lateral growth into strategic planning or corporate communications, given the heavy emphasis on stakeholder management and narrative building. Working for a market leader like Siam Piwat ensures your profile is recognized by top-tier global brands and investors.

The main stakeholders you might be interacting with

You will interact frequently with top management and C-suite executives, providing them with the data and narratives needed for strategic decision-making. Internally, your primary partners are the managers of various business units, including operations, marketing, and digital innovation. Externally, you will engage with regulatory bodies, ESG rating agencies, and sustainability consultants. You will also play a role in communicating with global brand partners who lease space in Siam Piwat properties, ensuring their own sustainability requirements are met within the mall environment.

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