


What We Offer
Ella Castillo
Atmospheric Modeller
Air Quality Support Pty Ltd · Australia
~20 years in air quality and dispersion modelling. Distinguished Talent Visa recipient. BSc Physics & Computer Engineering.
- AERMOD / CALPUFF / WRF-MMIF
- GIS & Spatial Database Systems
- GHG & Emissions Inventories
- Meteorological Modelling
Kyle Gilchrist
Atmospheric Modeller / IT
Air Quality Support Pty Ltd · Australia
20 years in atmospheric modelling and IT infrastructure. Expert in cloud-based WRF modelling, olfactometer systems, and AERMOD. BSc Physics.
- WRF / MMIF / AERMOD / CALPUFF
- AWS Cloud-Based Modelling
- Olfactometer Systems
- Linux / Python / GIS
Edward O’Callaghan
Acoustic Specialist
O’Callaghan Consulting Engineers · Australia
17+ years in environmental noise management across Australia and the Middle East. Principal consultant. BEng Environmental (Griffith).
- CONCAWE / ISO 9613 / CoRTN
- Environmental Noise Modelling
- ESIA & Regulatory Compliance
- OHS Risk Assessment
Aki Nisbet
Environmental Consultant | Marine & GIS Specialist
MSc Marine Biology · BSc Marine Biology
Environmental consultant experienced in assessments, marine studies, GIS, and environmental management.
- EIA / ESIA support
- Marine ecology & hydroacoustics
- GIS & spatial analysis
- Environmental management & climate risk
Keerthika Ashok Kumar
Environmental Engineer | Regulatory & Sustainability
P.Eng., EP®
Environmental engineer specializing in assessment, compliance, and sustainability across industry and utilities.
- EIA / ESIA & permitting
- ISO 14001 environmental systems
- GHG & sustainability reporting
- Climate mitigation & adaptation
Joshin Thomas
Corporate Development & Operations
MBA Strategic Planning · PMP®
Corporate development and operations professional experienced in strategy, advisory, and disciplined project delivery.
- Corporate development & growth
- Operations & project delivery
- Commercial strategy & partnerships
- Governance & program management

Abraham is technically competent and a diligent environmental consultant with considerable knowledge of oil, gas, and petrochemical sectors. I would not hesitate recommending him for a major EIA role.
Ian James
Always solution focused and very reliable. Easy to work with and very responsive. Knowledgeable on a variety of EHS and EHSIA regulatory programs in the Middle East.
Gary Siegel
Abraham has a unique type of management — successful in knowledge sharing, tolerant with his team, which pushes them to deliver their best. He manages projects with clarity that inspires confidence.
Fawwaz Jucka
A dedicated professional with a strong understanding of environmental management, project delivery, and regulatory compliance.
Michael Brown
An excellent team player who consistently delivers practical solutions and demonstrates outstanding technical knowledge and leadership.
Sarah Williams
Highly professional, reliable, and committed to maintaining high standards throughout every stage of project execution.


















