Our highly professional and personable service, delivered by talented people with a passion for excellence, ensures clients consider TGIS Aviation to be their valued and trusted advisors.

Trish Gray

Managing Director

Trish was initially trained by Rolls-Royce and became their first female technical service representative based in Luton, England and Tel Aviv, Israel.

She subsequently joined Air 2000/First Choice as a Powerplant Engineer and then moved to bmi as Powerplant Manager. By the time she left, Trish was General Manager of Technical Support.

Since 2002, Trish has been a consultant, offering powerplant asset management support to airlines and lessors. She has extensive experience in the engine industry including financial management, technical support and contract negotiations.

Trish’s specialisms include: expert witness, contract negotiations, engine life-time cost reviews, pre-purchase and mid-term audits/inspections, engine overhauls, on-wing engine management, delivery and redelivery support as well as the selection/purchasing of aircraft engines.

Ian Smith

Operations Director

Ian joined British Airways in 1978 and trained as an Engineering Apprentice. After qualifying, he went on to work for British Midland Airways, Air Europe, Airworld Aviation and Air 2000/First Choice. He has held a string of managerial positions including: Aircraft Maintenance Manager, Head of Maintenance Control and Heavy Maintenance Manager.

For over 20 years, Ian worked in aircraft technical lease management and aircraft transitions. He has also been a consultant to the airlines, asset management companies and lessors.

Ian’s specialisms include: aircraft asset management technical services, the management of assets between owners and operators, lease technical management, oversight of heavy maintenance checks, pre-purchase reviews, mid-term audits, record inspections, aircraft deliveries, repossessions and general guidance on technical matters.

Barry Hirons

Technical Director

Barry began his career in aviation at British Airways as an apprentice in 1988 and subsequently gained his licenses and approvals on Boeing, Airbus and McDonnell Douglas aircraft, initially working at London Heathrow and then as an overseas station engineer undertaking temporary relief assignments at airports in Africa, Far East and Caribbean.

Barry’s career has seen him travel extensively worldwide, throughout which he has developed a reputation as a leading specialist in aircraft asset management with the proven ability to project manage complex modification programmes.

Barry’s specialisms include: aircraft recovery, aircraft inspection, maintenance management, continued airworthiness management, emergency planning, aircraft repossessions, lease transitions, and project management.

Paul McGregor

Engine Consultant

With a background in OEM engine manufacturer and repair, Paul has over 26 years of experience across a broad spectrum of roles within Rolls-Royce plc and a further 6 years consulting with Rolls-Royce plc.

Paul’s involvement in high level projects has drawn upon his ability to implement technical solutions to complex issues. A highly conscientious and professional individual committed to providing resolutions on a wide variety of customer issues using technical and relationship building skills whilst aiming to meet business and customer expectations.

Paul’s specialisms include: Asset management including finance portfolios, engine acquisitions and disposals, pre-purchase inspections, asset repossession, engine lease returns, engine pre-lease technical data sets, aircraft check technical management, on-time project delivery, engine shop visit management, aircraft pre-purchase inspections, engine exchange contract negotiations, aircraft redelivery project management.

Ian Williams

Senior Engine Consultant

Ian began his career as a Graduate Apprentice with Rolls-Royce and was soon working as a Senior Power Plant Engineer for British Airways Engine Overhaul Ltd. Here, he had responsibility for the technical control of the Rolls-Royce RB211 engine type during repair or overhaul. After being promoted to Senior Aircraft Power Plant Engineer, he gained further experience in the aero-engine repair and overhaul industry and worked in technical control, cost reduction, production planning and customer support operations.

Ian went on to work for GE Aircraft Engine Services Ltd as Customer Programs Manager, then Cost Reduction Leader and most latterly, in his role as Senior Power Plant Engineer, he held responsibility for the repair and overhaul of one of the world’s largest fleets of CFM-56 engines which belonged to a major low cost airline.

Ian’s specialisms include: aero-engine repair and overhaul as well as all aspects relating to technical control, cost reduction, production planning and customer support.

Henrik Rajz

Engine Consultant

Henrik began his career at Malev Hungarian Airlines in 1983. Progressing from Engineer to Senior Engineer and finally Powerplant Manager, Henrik then moved from Hungary to the UK and took a position at Willis Asset Management Ltd (formerly TES Aviation). There he worked as a consultant within multiple areas of Powerplant and APU Engineering.

Most recently, Henrik has been working as an Independent Contractor on behalf of Atlas Air and CargoLogicAir. A Hungarian native, Henrik is fluent in English and has been a resident of the UK since 2012.

Henrik’s specialisms include: all areas of engine technical and asset management.

Stephen Harrison FCCA

Finance Manager

Stephen Harrison, Finance Manager, is a valued member of the TGIS Aviation Team and is responsible for the organisation’s financial matters. He has worked in finance for almost 20 years including 15 years in various roles at the Association of Chartered Certified Accountants (ACCA).

Stephen’s role is central to our organisation in supporting and implementing the latest operational procedures for the business. He is a welcome addition to TGIS Aviation and further strengthens the skills and knowledge of our growing team.

Stephen also has a BA (Hons) in Music and in his spare time enjoys singing in Lichfield Cathedral Choir and playing bass in a variety of bands including a jazz trio, covers band, and tribute act.