![Maria Antoniou](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Maria Antoniou
Director/Board Member at
SPIRAX GROUP PLC
Net worth: 49 057 $ as of 2026-09-29
Profile
Ms. Maria Antoniou is an Independent Non-Executive Director at Spirax Group Plc, a Chairman at Nats Employee Share Trust Ltd., a Chairman-Trustee at Tfl Pension Fund and a Director-Group Human Resources at Morgan Advanced Materials Plc.
She is on the Board of Directors at Victrex Plc, Spirax Group Plc, NATS (En Route) Plc, NATS Holdings Ltd. and NATS Ltd. Ms. Antoniou was previously employed as a Senior Vice President-Human Resources by E.ON UK Plc and a Director-Group Human Resources by Transport Co., Inc. She received her undergraduate degree from the University of Oxford.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-02-26 | 509 ( 0% ) | 49 057 $ | 2026-09-29 |
Maria Antoniou active positions
| Companies | Position | Start |
|---|---|---|
| SPIRAX GROUP PLC | Director/Board Member | 2025-05-31 |
| MORGAN ADVANCED MATERIALS PLC | Human Resources Officer | - |
| VICTREX PLC | Director/Board Member | 2026-08-31 |
NATS Ltd.
 NATS Ltd. Other TransportationTransportation Provides air-traffic control services | Director/Board Member | - |
NATS Holdings Ltd.
 NATS Holdings Ltd. Other TransportationTransportation Provides air traffic control services | Director/Board Member | - |
NATS (En Route) Plc
 NATS (En Route) Plc Other TransportationTransportation Provides air traffic control and performance services | Director/Board Member | 2016-07-31 |
Nats Employee Share Trust Ltd. | Chairman | - |
Tfl Pension Fund
 Tfl Pension Fund Investment ManagersFinance Functions as a Pension/Retirement Fund | Chairman | - |
Former positions of Maria Antoniou
| Companies | Position | End |
|---|---|---|
E.ON UK Plc
 E.ON UK Plc Alternative Power GenerationUtilities Develops and operates wind, solar & biomass projects and provides energy storage solutions | Human Resources Officer | 2013-08-06 |
| ░░░░░░░░░ ░░░░ ░░░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | - |
Education of Maria Antoniou
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
83
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
Morgan Advanced Materials Plc
 Morgan Advanced Materials Plc Industrial SpecialtiesProcess Industries Provides engineered solutions to its chosen markets | Process Industries |
NATS (En Route) Plc
NATS (En Route) Plc Other TransportationTransportation Provides air traffic control and performance services | Transportation |
Spirax-Sarco Engineering Plc
 Spirax-Sarco Engineering Plc Industrial MachineryProducer Manufacturing Manufactures steam and other industrial fluid control equipment | Producer Manufacturing |
Victrex Plc
 Victrex Plc Chemicals: Major DiversifiedProcess Industries Manufactures and markets polymers | Process Industries |
University of Oxford
 University of Oxford Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
NATS Holdings Ltd.
NATS Holdings Ltd. Other TransportationTransportation Provides air traffic control services | Transportation |
NATS Ltd.
NATS Ltd. Other TransportationTransportation Provides air-traffic control services | Transportation |
E.ON UK Plc
E.ON UK Plc Alternative Power GenerationUtilities Develops and operates wind, solar & biomass projects and provides energy storage solutions | Utilities |
Tfl Pension Fund
Tfl Pension Fund Investment ManagersFinance Functions as a Pension/Retirement Fund | Finance |
Transport Co., Inc. | |
Nats Employee Share Trust Ltd. |
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