Our team

We are a team of strategists, consultants and analysts with diverse backgrounds and extensive experience in how the emergence of ESG principles has impacted the business community. Led by an ESG expert with over 25 years’ experience, we support our clients in the establishment and realisation of their ESG objectives.

We believe in collaboration and have forged solid partnerships with other established advisory companies. We thrive in identifying solutions, working together with our partners, to guarantee the successful integration and implementation of ESG considerations in the core of your company.


Senior Team

Daphne Biliouri-Grant

Managing Director

Daphne is an invaluable business leader and strategist that has been advising government departments, corporate clients and charitable organisations for over 25 years on issues of ESG/Sustainability, reputational risk and corporate governance. She applies a holistic approach to ESG to ensure the successful integration and implementation of a robust ESG strategy.

Craig Stevens


Craig is an energy professional with more than fifteen years of experience working with companies across the energy spectrum.
Senior Adviser

Andy Hartree


Andy is a highly experienced industry professional and market risk management expert with a background in oil refining. He is a trained Chemical Engineer with hands-on experience of the physical demands and logistics of the entire process of turning crude oil into an end product.

Nicole Doig

Client Manager

Nicole is a qualified petroleum engineer specialised in reservoir engineering. Throughout her career, Nicole has also been involved in the process of new customer identification focused primarily on emerging markets, project management and account oversight.

Matthew Barrell

ESG analyst

Matthew has experience in delivering corporate sustainability strategy and reporting, advising businesses across several sectors. He has also worked with companies to establish net-zero commitments through the Science-Based Targets initiative, helping businesses reduce emissions in line with climate science goals.

Alex Matthews

ESG Analyst

Alex recently completed a BSc in Politics with Economics at University of Bath and is joining Acasta for the summer before pursuing an MSc in Environmental Economics and Environmental Management next year. During her degree she was part of the University’s Climate Action group, her primary interest, and gained her CFA in ESG investing during her placement year.

Madeleine Bruce

ESG Analyst

Madeleine is a 4th year at the University of St Andrews studying Sustainable Development and Management. She served as the President of Oikos St Andrews, an organisation which seeks to embed sustainability into global economics/business education, acting as the Sustainability Rep for the School of Management.