Our people

Expertise in every discipline.
People at the centre.

Meet the key personnel behind our multidisciplinary engineering — from project leadership to specialist design.

Key personnel

Complementary skills. Shared responsibility for quality.

Sebastian Kasjan
Leadership

Sebastian Kasjan

Dubai Managing Director

MEng · CEng · MCIBSE · MIEI

A Chartered Engineer with experience leading multinational MEP teams across the UAE, Bahrain and India. Sebastian specialises in complex healthcare, data centres, hospitality and commercial projects, including phased refurbishment within operational buildings.

Expertise & experience of Sebastian Kasjan

Core expertise

  • Complex healthcare and live environments
  • Data centre design and commissioning
  • Multidisciplinary leadership and coordination

Career project highlights

  • Microsoft Data Center DB4 & DB5, Dublin
  • Al Maha Children's Hospital, Al Wakrah
  • Hamad General Hospital, Qatar
  • Google Viewpoint, Dublin
  • The Avenues, Saudi Arabia and Bahrain

Career highlights include projects undertaken at previous firms.

Napoleon Soldevilla
Leadership

Napoleon Soldevilla

Specialism Director

ME · Registered Mechanical Engineer

Napoleon brings extensive Middle East experience in fire and life safety code review, fire engineering and active fire protection design. His work combines prescriptive and performance-based approaches with practical knowledge of regional authority requirements.

Expertise & experience of Napoleon Soldevilla

Core expertise

  • Fire and life safety strategy
  • Code compliance and fire risk analysis
  • Fire protection systems

Career project highlights

  • Al Mafraq Hospital, Abu Dhabi
  • Zayed Military Hospital, Abu Dhabi
  • OCEANO, Al Marjan Island
  • Polyflow Manufacturing Plant, Saudi Arabia
  • Diriyah Gate, Riyadh

Career highlights include projects undertaken at previous firms.

Mahmoud Abd El Fattah
Mechanical

Mahmoud Abd El Fattah

Principal Mechanical Engineer

LEED GA · CEM · EDGE Expert

Mahmoud's building services experience covers mechanical design, site supervision, sustainability and energy management. He combines HVAC engineering with Revit, HAP and building management systems to develop coordinated and efficient solutions.

Expertise & experience of Mahmoud Abd El Fattah

Core expertise

  • Mechanical building services design
  • Energy efficiency and sustainability
  • Healthcare and multidisciplinary coordination

Career project highlights

  • Sulaiman Al Habib Hospitals, Riyadh and Jeddah
  • Badr Medical City, Cairo
  • City Centre Almaza, Cairo
  • Dammam University, Saudi Arabia

Career highlights include projects undertaken at previous firms.

Jose Jiggers S. Mabag
Electrical

Jose Jiggers S. Mabag

Principal Electrical Engineer

Professional Electrical Engineer

Jose brings extensive electrical engineering experience across hospitals, educational campuses, high-rise developments and infrastructure. His expertise includes MV, LV and ELV systems, authority coordination, lighting, specifications and site management.

Expertise & experience of Jose Jiggers S. Mabag

Core expertise

  • Electrical distribution and emergency power
  • LV, ELV and infrastructure systems
  • Lighting and authority coordination

Career project highlights

  • Sabah Al-Salem University City Hospital, Kuwait
  • KUHSC Research Center, Kuwait
  • Dubai Festival City developments
  • Residential projects in Al Furjan and Palm Jumeirah

Career highlights include projects undertaken at previous firms.

Ahmed Mohamed Abdelfattah
Electrical

Ahmed Mohamed Abdelfattah

Senior Electrical Engineer

Electrical Power Engineering · Autodesk Certified Professional, Revit Electrical

Ahmed specialises in electrical and ELV design across hospitality, commercial, residential, industrial, healthcare and infrastructure projects. His work covers power, lighting, earthing and lightning protection, with BIM coordination through concept, tender and construction documentation.

Expertise & experience of Ahmed Mohamed Abdelfattah

Core expertise

  • Power, lighting and electrical protection systems
  • ELV design and multidisciplinary coordination
  • Revit, AutoCAD and Navisworks workflows

Career project highlights

  • API Towers, Dubai
  • Arkan Business Park, Egypt
  • Aircraft Maintenance Hangar, USA
  • Medical Park Premier Hospital

Career highlights include projects undertaken at previous firms.

Kareem Mossad Darwesh
Mechanical

Kareem Mossad Darwesh

Senior Mechanical Engineer

Mechanical Power Engineering · LEED GA

Kareem specialises in HVAC and building services design for residential, hospitality and mixed-use developments. He works from concept through detailed design and construction documentation, with a focus on cooling loads, equipment selection and coordination.

Expertise & experience of Kareem Mossad Darwesh

Core expertise

  • HVAC design and cooling load analysis
  • Equipment selection and technical documentation
  • Coordination across design stages

Career project highlights

  • Four Seasons Hotel, Sindalah Island, NEOM
  • Central Bank of Iraq, Baghdad
  • Cape Hayat Hotel, UAE
  • Hilton LXR Hotel, Diriyah

Career highlights include projects undertaken at previous firms.

Ahmed Nasser Mohamed
Public health

Ahmed Nasser Mohamed

Senior Public Health Engineer

Mechanical Power Engineering · Autodesk Certified Professional, Revit Mechanical

Ahmed specialises in plumbing and firefighting design for hospitality, commercial, residential and infrastructure projects across the Middle East. His expertise includes hydraulic calculations, water supply and drainage networks, pumping stations and coordinated MEP packages, using BIM-based workflows.

Expertise & experience of Ahmed Nasser Mohamed

Core expertise

  • Plumbing and firefighting systems
  • Hydraulic calculations and pumping stations
  • Revit, AutoCAD, Navisworks and Elite Fire

Career project highlights

  • Hilton Jeddah Corniche, Saudi Arabia
  • Omran Business Park, Muscat
  • The Point mixed-use development, Abha
  • Hilton LXR Hotel, Diriyah

Career highlights include projects undertaken at previous firms.

Martí Duch
Specialists

Martí Duch

Lead Acoustic Engineer

MIOA · Registered Engineer, COITT

Martí specialises in architectural and building acoustics, with international experience across residences, hotels, hospitals, commercial buildings, performing arts venues and audiovisual studios. He develops practical acoustic solutions alongside architecture and building services teams.

Expertise & experience of Martí Duch

Core expertise

  • Building and room acoustics
  • Noise and vibration control
  • Environmental acoustic impact

Career project highlights

  • Mediclinic Parkview Hospital, Dubai
  • OCEANO, Al Marjan Island
  • Family Care Authority HQ, Abu Dhabi
  • Qatar Olympics Museum, Doha

Career highlights include projects undertaken at previous firms.

Individual career experience spans multiple organisations and markets. Project highlights may include work completed at previous firms, as identified in the supplied CVs.

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