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ID 208722

BelgiumBelgiumActive member

Sara MATTHIEU

Greens/EFAGreens/European Free Alliance
Groen

Tracked since 28/10/2024

Total assistants

9

Currently active

6

Total departed

3

Departed share

33.3%

3 of 9

Office over time

9 own staff since we started watching

One bar per person, from the day we first saw them to the day they left — or until today. A faded left edge means they were already in place on 28/10/2024; a faded right edge means they left at an unknown date before 03/03/2026.

Jan 25Apr 25Jul 25Oct 25Jan 26Apr 26Jul 26Oct 26HANNAH WALLAYSKatleen Martine DE RIDDEROlivier Homer P BEYSWillem JAQUESMathias David J BIENSTMANMathias David Jonathan BI…RAUL-ANDREI-NICOLAE JURCARobin HUBLETVAN COILE & PARTNERS
Accredited assistantsLocal assistantsPaying agentsin postdepartedfaded edge = start or end not known to the day
Office timeline
NameCategoryFromTo
HANNAH WALLAYSAccredited assistantstracked since 28/10/2024left before Mar 2026
Katleen Martine DE RIDDERAccredited assistantstracked since 28/10/2024in post
Olivier Homer P BEYSAccredited assistantstracked since 28/10/2024in post
Willem JAQUESAccredited assistantstracked since 28/10/2024in post
Mathias David J BIENSTMANAccredited assistants14/01/2025left before Mar 2026
Mathias David Jonathan BIENSTMANAccredited assistants16/01/202531/05/2026
RAUL-ANDREI-NICOLAE JURCAAccredited assistants03/04/2026in post
Robin HUBLETLocal assistants21/08/2026in post
VAN COILE & PARTNERSPaying agents08/02/2025in post

Departed share comparison

Share of observed own staff who have since left (since 28 Oct 2024).

This Member33.3%
EP average30.2%
Belgium19.8%
Group of the Greens/European Free Alliance24.4%

By category

CategoryOwn activeOwn departedOwn totalPool activePool total
Accredited assistants43700
Local assistants10100
Paying agents10100

Active assistants · 6

NameCategorySince
Olivier Homer P BEYSAccredited assistants28/10/2024
Katleen Martine DE RIDDERAccredited assistants28/10/2024
Willem JAQUESAccredited assistants28/10/2024
RAUL-ANDREI-NICOLAE JURCAAccredited assistants03/04/2026
Robin HUBLETLocal assistants21/08/2026
VAN COILE & PARTNERSPaying agents08/02/2025

Office size

Own staff in post per month. Dashed before 03/03/2026: reconstructed from arrivals only. The dashed horizontal line is the median office in the Parliament (5).

Own staff of Sara MATTHIEU per month
MonthCountEstimated
2024-113yes
2024-123yes
2025-014yes
2025-025yes
2025-035yes
2025-045yes
2025-055yes
2025-065yes
2025-075yes
2025-085yes
2025-095yes
2025-105yes
2025-115yes
2025-125yes
2026-015yes
2026-025yes
2026-035no
2026-046no
2026-055no
2026-065no
2026-075no
2026-086no
2026-096no
2026-106no

How long staff stayed

Tenure of staff whose departure is dated. Contracts that ended before 03/03/2026 have no known length and are not shown.

06 mo12 mo18 mo24 moEP median

1 dated departure · office median 16 mo · Parliament median 16 mo

Tenure of departed staff, months
Mathias David Jonathan BIENSTMAN16

Former assistants · 3

NameCategoryFromToDuration
Mathias David Jonathan BIENSTMANAccredited assistants16/01/202531/05/20261y 4m
HANNAH WALLAYSAccredited assistants28/10/2024left before Mar 2026—
Mathias David J BIENSTMANAccredited assistants14/01/2025left before Mar 2026—

Our record of the register begins 28/10/2024. "Tracked since" marks a person who was already in place on that day — their actual start date is earlier and is not published to us. Read about the data →