Committed and enthusiastic experts in a variety of disciplines
What sets us apart is our critical and independent attitude. We all share inspired idealism and a pragmatic, human-centered approach. Increasing the access to clean and safe freshwater for everyone is our mission. Do you have questions? Feel free to contact (one of) us!
Annemieke van Doorn
Hydrogeologist
+31 6 11 29 77 49
annemieke.vandoorn@acaciawater.com
annemieke-van-doorn-a523647
Assefa Kumsa
General Manager / Country Representative
+251 92 05 52 853
assefa.kumsa@acaciawater.com
assefa-kumsa-b76199164
Daniela Benedicto van Dalen
Hydrogeologist
+31 6 46 64 72 39
daniela.benedicto@acaciawater.com
daniela-benedicto
Harmen van den Berg
Hydrogeologist
+31 6 11 45 35 87
harmen.vandenberg@acaciawater.com
harmenvandenberg1
Koen Exterkate
GIS & Remote Sensing Expert
+31 6 15 83 67 50
koen.exterkate@acaciawater.com
koen-exterkate-11b30a1a1
Laurens de Vries
Hydrogeologist
+31 6 83 97 00 14
laurens.devries@acaciawater.com
laurens-de-vries-04542b193
Maarten Koudstaal
Fieldworker and Laboratory Technician
Maarten Waterloo
Ecohydrologist
+31 6 83 56 08 09
maarten.waterloo@acaciawater.com
dr-maarten-waterloo-0b35477
Marie-Helène Manderfeld
Office Manager
+31 6 10 56 07 27
mariehelene.manderfeld@acaciawater.com
marie-helène-manderfeld-8b0a625a
Maureen van Althuis
Communications Advisor
+31 6 83 59 18 56
maureen.vanalthuis@acaciawater.com
mevanalthuis
Merab Apkhazava
Sustainable Agriculture Expert
+31 6 30 43 10 32
merab.apkhazava@acaciawater.com
/merabkhazava
Metasebiya Mesfin Sehale
Office Operations Manager Ethiopia
+251 920 55 28 53
metasebiya.mesfin@acaciawater.com
metasebiya-mesfin-639968233
Monique Kooij-Alphenaar
HR Manager
+31 6 23 50 23 82
monique.kooij@acaciawater.com
monique-kooij-alphenaar-70a27711
Natalia Ulribe
Hydroinformatics and Water Resources Specialist
+31 6 83 55 95 48
natalia.uribe@acaciawater.com
natalia-uribe-rivera
Segni Tesgera
Hydraulic Engineer
+251 996 676 820
segni.tesgera@acaciawater.com
segni-lemessa-tesgera-a1762b92
Sophie Luijendijk
Soil Scientist
+31 6 57 54 75 15
sophie.luijendijk@acaciawater.com
sophie-luijendijk-01917773
Theo Kleinendorst
Geohydrologist
+31 6 20 35 92 09
theo.kleinendorst@acaciawater.com
theo-kleinendorst-98327228
Tine te Winkel
Water Economist
+31 6 12 14 35 99
tine.tewinkel@acaciawater.com
tine-te-winkel-0521a03b
Victor Langenberg
Business developer
+31 6 11 43 98 08
victor.Langenberg@acaciawater.com
victor-langenberg
Yasmin Bashir
Water Governance Expert
+31 6 10 63 30 69
yasmin.bashir@acaciawater.com
yasmin-bashir-alazaiza-276619226
Yishak Gebrselassie
Finance and Management Assistant
Contact
Headquarter
Van Hogendorpplein 4
2805 BM Gouda
The Netherlands
Laboratorium
Van Hogendorpplein 4
2805 BM Gouda
The Netherlands
Regional office
East Africa
Woreda 03, Bole Sub city
House No. 4/020 Addis Ababa
Ethiopia





































