
Dr Hamsah Khalil
Provides strategic direction and group positioning across ESAC’s specialist platform, with a strong focus on integrated environmental delivery, growth and high-value client engagement.
ESAC Group is a global consortium of specialized environmental divisions united under a progressive governance framework. With headquarters in Abu Dhabi and regional branches across Jordan, Brazil, Portugal and the UK, ESAC delivers solutions in environmental sustainability, circular economy, carbon reduction, digital transformation and hazardous materials management.
Our expert team
Our leadership, advisory and specialist bench brings together strategic direction, environmental science, governance, quality assurance, audit, training, energy modelling and biodiversity expertise. Together, they reinforce ESAC’s divisions with the technical depth and delivery judgment required for complex assignments.

Provides strategic direction and group positioning across ESAC’s specialist platform, with a strong focus on integrated environmental delivery, growth and high-value client engagement.

Leads operations, integration and programme delivery across ESAC divisions, translating strategy into coordinated execution for multidisciplinary environmental and sustainability assignments.
Brings long-standing regulatory, approvals and environmental governance experience that strengthens compliance pathways, monitoring frameworks and technically robust project delivery.

Contributes scientific and strategic insight that supports evidence-based decision-making, policy alignment and sound technical positioning across ESAC’s sustainability and environmental portfolio.
Chemical engineer with more than 30 years of experience in EHS, social responsibility, quality, food safety, risk assessment, auditing, asset management and site assessment, with strong management-systems and certification expertise.

Supports leadership development, curriculum design, coaching and immersive learning programmes that strengthen ESAC’s capability-building and knowledge-transfer offer.
Combines forensic science practice, teaching and digital-evidence experience to support structured capability building, specialist learning and evidence-led operational training.
Supports specialist training, assessment and operational capability programmes with experience in CSI, bomb scene management, WTI and train-the-trainer delivery.
Oversees quality management, audit readiness and risk controls that help ESAC maintain dependable delivery standards across contracts, submissions and internal governance.

Supports high-performance building delivery through energy modelling, HVAC analysis, MEP coordination and technical optimization aligned with certification targets and efficient building operation.
Brings more than 20 years of experience across property management, asset evaluation and financial audit, supporting disciplined portfolio oversight, operational control and financially sound asset stewardship.

Biodiversity and ecology specialist with more than 15 years of experience in habitat assessment, ecological surveys, biodiversity management planning and environmentally responsible development support.
Our mission and vision guide our work; our principles define how we deliver—consistently, ethically and with measurable impact.
To lead the environmental transition through integrated, specialized and technology-enabled solutions that drive measurable sustainability outcomes.
To deliver technically advanced, regulation-aligned and data-informed environmental services—bridging policy and practice through specialized divisions, innovative tools and cross-sector collaboration.
ESAC Group’s growth reflects a deliberate evolution—from built-environment consulting to a globally integrated environmental consortium.
Establishment of Al Khail Consultant with core activities in the built environment.
Expansion to Al Khail Green Company, emphasizing green building and energy efficiency, with geographic growth to the UAE and UK.
A deeper commitment to sustainability with the formation of ES&C Consultant.
Collaboration and integration efforts consolidated expertise and resources, expanding the global footprint.
Formation of ESAC Group, encapsulating collective expertise and global reach—marking a new era of comprehensive environmental solutions.
ESAC’s structure is built around four functional tiers—each representing a cluster of specialist divisions grouped by purpose, focus and delivery scope.
IMS Governance
PMO / Risk
Integrated governance, internal audit, policy, risk visibility and quality oversight.
HazMat
Carbon
Circularity
Biodiversity
Water
GreenBuilt
GreenMark
The scientific and operational engine of ESAC—housing core consulting and field execution expertise.
Governance
Digital
Academy
The digital and knowledge backbone of ESAC—enabling ESG frameworks, dashboards and structured learning.
Systems
TalentHub
Events
Masar
Site support, staffing, outreach and enabling operations that keep delivery coordinated and scalable.
ESAC Group is designed around a tiered, modular and scalable organizational architecture—integrating strategic leadership with specialized technical divisions and digital innovation hubs.
Sets strategic direction, risk appetite and investment priorities.
Oversees operations, integration and delivery across divisions.
Aligns methodologies and tools across technical divisions.
Ensures compliance, auditing and internal control structures.