Team

To contact Executive Board Members: Joost Oorthuizen or Steven Collet,
please contact our PA to the Execute Board:

Esther Seinen
+31 (0)6 11309430
seinen@idhtrade.org

Executive Board
  • Joost Oorthuizen
    Executive Director, Chairman of the Executive Board
    +31 (0) 30 230 5660
  • Steven Collet
    Operational Director, Member Executive Board
    +31 (0) 30 230 5660
  • Esther Seinen
    Executive Assistant
    +31 (0)6 11309430
Country Directors
  • Flavio Corsin
    Director - Aquaculture, Agrochemicals, Vietnam
    +31 (0)6 1140 4008
  • Fitrian Ardiansyah
    Country Director IDH Indonesia
    +62 (0) 21 2952 9853
  • Pramit Chanda
    Country Director IDH India
    +31 (0)6 1192 0626
  • Elly Anggreani
    PA to Indonesian Country Director
    +62 (0) 21 2952 9853
Country Coordinators
  • Cyril Ugwu
    Regional Coordinator, West Africa
    +234 (0)8 034754137
  • Daisy Vakarathiwe Kambalame
    Country Coordinator, Malawi
    +265 8888 30330
  • Lizzy van der Wal
    Country Coordinator, Liberia
    +231 (0) 886084004
  • Mahlet Shebabaw
    Country Coordinator, Ethiopia
    +251 9112 3435 8
  • Renske Aarnoudse
    Country Coordinator, Cote d' Ivoire
  • Sylvia Rutatina
    Country Coordinator, Tanzania
    +255 7845 5185 3
Communication & Outreach
  • Daan de Wit
    Head of Communications
    +31 (0) 615283774
  • Elske Stevenson
    Communication Manager
    +31 (0) 6 2114 7951
  • Gillian Evans
    Communication Manager
    +31 (0) 6 4228 7488
  • Manizha Korodiva
    Communication Officer, ISLA
    +31 (0) 30 230 5660
International Partnerships
  • Freddy Austli
    International Partnerships Director
    +31 (0)6 1843 0424
  • Viola van Waaij
    Senior Manager, Public Affairs
    +31 (0)6 2414 3718
Innovative Finance
  • James Webb
    Senior Program Manager, Innovative Finance
    +31 (0) 6 2197 6764
  • Emine Yetisir
    Program Officer, Innovative Finance
    + 31 (0) 6 15 86 62 72
Landscape Managers
  • Chi Tran Quynh
    Landscape Manager, Vietnam
    +84 913 547712
  • Daniela Mariuzzo
    Senior Landscape Convener, Brazil
  • Lorens
    Landscape Manager, West Kalimantan
  • Silas Siakor
    Senior Landscape Convener, South Eastern Liberia 
Learning and Innovation
  • Carla Romeu Dalmau
    Senior Manager, Learning and Impact Research
    +31 (0) 6 2167 1073
  • Iris van der Velden
    Senior Manager, Learning and Innovation
    +31 (0) 6 1481 1394
  • Gerben de Witte
    Program Officer, Learning and Innovation
    +31 (0) 6 2115 9731
  • Violaine Berger
    Senior Manager, Learning and Innovation
    +31 (0) 6 1558 0819
Operations
  • Annemarie Woudstra
    Human Resources Officer
    +31 (0) 6 2134 9392
  • Barbara Visser
    Senior Business Risk Analyst
    +31 (0) 6 4626 0523
  • Dean Walker
    Finance Officer Programs
    +31 (0) 6 8115 9349
  • Esther Kimenju
    Program Controller
  • Felia Palsenberg
    Legal Counsel
    +31 (0) 6 2133 7874
  • Marieke de Groot
    Controller
    +31 (0) 6 1439 4240
  • Maarten Bezemer
    IT Coordinator
    +31 (0) 6 2165 4622
  • Silvia Prince
    Program Controller
    +31 (0) 6 2569 5067
  • Solange Tuyishime
    Accounts Payable Officer
  • Yashinta Wardhani
    Office Finance and Operations Officer Indonesia
  • Andri Oarto
    Head of Operations Indonesia
    +62 8133 8036 007
  • Hilde Kremer
    Program Controller
Office
  • Maruscha Santos Silva
    Office Manager
    +31 (0) 6 4848 6884
  • Azi Baski
    PA to Tony Bruggink
    +31 (0) 6 1894 8239
  • Esther Seinen
    Executive Assistant
    +31 (0)6 11309430
Program Directors
  • Jordy van Honk
    Program Director Landscapes Africa, Tea
    +31 (0) 6 1481 1328
  • Flavio Corsin
    Director - Aquaculture, Agrochemicals, Vietnam
    +31 (0)6 1140 4008
  • Jenny Kwan
    Program Director, Coffee
    +31 (0) 6 8185 0393
  • Tony Bruggink
    Program Director, Fresh and Ingredients
    +31 (0) 6 5316 5756
  • Jonas Mva Mva
    Program Director, Cocoa
    +31 (0) 648486880
  • Daan Wensing
    Program Director, ISLA
    +31 (0) 6 1588 3096
Program Managers
  • Sibbe Krol
    Program Manager, Apparel
    +31 (0) 6 1162 3212
  • Reuben Blackie
    Program Manager, Palm Oil
  • Nienke Stam
    Senior Program Manager
    +31 (0)6 5286 2393
  • Kebba Colley
    Senior Program Manager, Fresh and Ingredients
  • Imam Suharto
    Senior Program Manager, Coffee (Indonesia)
    +62 8133 8036 007
  • Desi Kusumadewi
    Senior Program Manager, Palm Oil
  • Jan Gilhuis
    Senior Program Manager
    +31 (0) 6 1941 4370
  • Judith Fraats
    Program Manager, Tea
    +31 (0) 6 1439 3413
  • Tony Wood
    Senior Program Manager, Pulp and Paper
  • Tu Nguyen
    Program Manager, Apparel (Vietnam)
  • Winnie Mwaniki
    Senior Program Manager, ISLA (Kenya) and Coordinator Tea, East Africa
    +254 722 724 108
  • Claudia Schlangen
    Program Manager, ISLA
  • Dedi Hariri
    Senior Fire Free Village Manager
Program Officers
  • Angela Chemutai Siele
    Program Officer, South-West Mau Forest Landscape (Kenya)
    +254 718273 033
  • Aris Wanjaya
    Program Officer, Pulp and Paper
  • Bernd Isenberg
    Program Officer, Fresh and Ingredients
    +31 (0) 6 2143 1276
  • Charlotte Ruetz
    Program Officer, Coffee and Tea
    +31 (0) 6 2166 7008
  • Elea Papaemmanuel
    Program Officer, Cotton and Tin
    +31 (0) 6 3176 8281
  • Gustavo Rodrigues de Souza
    Program Officer, ISLA (Brazil)
    +55 (11) 998391120
  • Jasmer Dhingra
    Program Officer, Cotton and Tea
    +91 1244 0333 68
  • Melati
    Program Officer, Coffee and Cocoa
  • Nadia Amelia Ridwan
    Program Officer, Pulp & Paper and Palm Oil
  • Nienke Keen
    Program Officer, Cocoa
    +31 (0) 65283 4949
  • Nienke Sleurink
    Program Officer, Landscapes and Soy
    +31 (0)6 2822 8279
  • Paul Klein Hofmeijer
    Program Officer, Coffee
    +31 (0) 624882177
  • Sonia Cordera
    Program Officer, Fresh and Ingredients
    +31 (0) 6 1152 4440
  • Sanne Heijnen
    Program Officer, ISLA
    +31 (0) 30 230 5694
Retail and Trade
  • Daan v/d Wekken
    Senior Manager Retail and Trade
    +31 (0) 6 1582 8499
Stakeholder Managers
  • Kipkirui Lang’at
    Senior Stakeholder Manager, SW Mau Forest Landscape in Kenya
  • N’golo Fanny
    Senior Stakeholder Manager, Taï Forest Landscape in Côte d’Ivoire