We are industry experts with extensive professional exposure to major international capital projects and programmes in leading engineering and professional services organisations.

Our Specialties:

  • Connecting strategy and operations
  • Connecting finance and delivery

Gildas André - Founder and Manging Principal - GAN

Gildas André

Managing Partner


  • Gildas is Founder and Managing Partner at GAN Advisory Services. Gildas is a highly qualified Major Project, Programme and Portfolio Management specialist advising decision makers on planning, delivering and assuring business transformations and capital investments in the infrastructure, property, energy and banking sectors.
  • Gildas founded GAN Advisory Services in 2013. He has 20+ years of international experience principally in the UK and across Central Europe, Africa, South America with leading construction and management consulting organisations including Kier Group and Ernst & Young.
  • Gildas is a specialist in programme set up and in establishing governance and controls effectively connecting strategy and operations via finance and delivery. He is also a planning expert in strategic phasing and integration and in preparing claims for delay and disruption.
Trevor Drury - Associate - GAN

Trevor Drury


MBA, PG Dip Bar, PG Dip Law, PG Dip Project Management, FRICS, FCIOB, MCIArb

  • Trevor is a Chartered Quantity Surveyor, Project Manager, Expert Witness and Legal Adviser with over 30 years construction industry experience having worked for contractors and consultancies. He is also a member of the Society of Construction Law, Adjudication Society and Association of Independent Construction Adjudicators.
  • Trevor specialises in providing project solutions by advising on procurement, commercial management, legal and commercial risks, dispute avoidance, construction contract, claims and dispute resolution. He has been appointed as a quantum and project management expert witness, represents clients in adjudications and is an accredited mediator. Trevor has been appointed expert witness by a number of international law firms and energy companies and has advised and acted on behalf of a number of large public bodies, corporate clients and contractors.