ASHTREE - Key Persons


Dr Matthew Yap

Job Titles:
  • Consultant
Dr Matthew Yap advises international airports and construction companies for Changi East (CE) three runway and Terminal 5 development. Dr Yap completed the ICAO-ACI AMPAP Programme and is certified as ICAO National and Aerodrome Inspector, AVSEC PM and Safety Management System. Dr Yap is also certified PFSO, CSO and SSO and advises on container port design and port audit.

Schoen Karl Philippe

Job Titles:
  • Aerodrome Consultant
Schoen Karl Philippe served in the Singapore Police Force and the Changi airport civil aerodromes for 24 years. Schoen specialises in Airport Security and Operations. Schoen works closely with the Civil Aviation Authority of Singapore (CAAS) and the Changi Airport Group (CAG) personnel and operators in the deployment of equipment to safeguard the civil aerodrome.

Victor Gomez

Victor Gomez served the Republic of Singapore Airforce for over 25 years as an Air Traffic Control officer. Conversant with both civil and military airspace and airbase operation. Victor advises airport and runway construction companies, airports and airlines. Victor is a certified IATA trainer and trains both muliti national corporations and civil aviation officials worldwide.