Anna Hondius

Director

directie@derdedalton.nl

Eric Molenveld

Support manager (Mo, Tu)

e.molenveld@derdedalton.nl

Sari Tulp

Internal supervisor (Mo, Tu, We, Th, Fr)

s.tulp@derdedalton.nl

Ruth Brandwagt

Internal supervisor (Mo, Tu, Fr)

r.brandwagt@derdedalton.nl

Thea Sikkens

Administrator (Mo, Tu, Th, Fr)

admini@derdedalton.nl

Janine Koopman

Teacher group 1/2b 

j.koopman@derdedalton.nl

Berend Brock

Teacher group 1/2b 

b.brock@derdedalton.nl

Teacher group 1/2c

Kelly Breedveld

Teacher group 1/2c 

k.breedveld@derdedalton.nl

Muriel Hilderink

Teacher group 3 

m.hilderink@derdedalton.nl

Sabine Jolink

Teacher group 4a 

s.jolink@derdedalton.nl

Esther van Kesteren

Teacher group 4a 

e.vankesteren@derdedalton.nl

Sacha Schipper

Teacher group 4b

s.schipper@derdedalton.nl

Charlie Laan

Teacher group 5 

c.laan@derdedalton.nl

Sylvia Balm

Teacher group 6a 

s.balm@derdedalton.nl

Martie Timmermans

Teacher group 6a

m.timmermans@derdedalton.nl

Maartje van der Kolk

Teacher group 6b 

m.vanderkolk@derdedalton.nl

Wilma Rientsma

Teacher group 6b

w.rientsma@derdedalton.nl

Anna van Netten

Teacher group 7a 

a.vannetten@derdedalton.nl

Martie Timmermans

Teacher group 7a 

m.timmermans@derdedalton.nl

Floor de Vaan

Teacher group 7b 

f.devaan@derdedalton.nl

Margreet Trox

Teacher group 8a

m.trox@derdedalton.nl

Martie Timmermans

Teacher group 8a

m.timmermans@derdedalton.nl

Ysanne Helsdingen

Teacher group 8b 

y.helsdingen@derdedalton.nl

Loek Hackman

Teacher group 8b 

l.hackman@derdedalton.nl

Juliette Helsdingen

Teacher physical education

(Tu, We, Th, Fr)

j.helsdingen@derdedalton.nl

Inge van der Veen

Teacher physical education (Tu)

i.vanderveen@derdedalton.nl

Mylène Ydo

Remedial teacher (Tu, Th)

m.ydo@derdedalton.nl

TSO coordinator 

tso@derdedalton.nl

Oskar Egberts

IT support (Tu)

o.egberts@derdedalton.nl

Peter Schermer

Concierge 

Carry Munnik

Assistant teacher (Mo, Tu, Th)

c.munnik@derdedalton.nl

Femke de Jongh

Library

f.dejongh@derdedalton.nl

Esther Ebing

Assistant teacher (Mo, We)

e.ebing@derdedalton.nl

Donna Kleene

Intern Internal supervisor

d.kleene@derdedalton.nl

Stefanie van Rijn

Intern Internal supervisor

s.vanrijn@derdedalton.nl