Sietze Vellema

Search results

• Active

  Facing inertia in food systems under climate change: A multi-theory examination of dynamics of directionality in the paradoxes, portrayals, and practice of

  Zeppenfeldt, L. (PhD candidate) & Vellema, S. (Promotor)

  1/10/24 → …

  Project: PhD

  • Climate Change 100%
  • Pluralism 50%
  • Dutch 50%

• Deliberative Governance in Asymmetric Economic Settings: Towards Economic Democracy in Agri-business Partnerships?

  Thorpe, J. (PhD candidate), Vellema, S. (Promotor) & Schouten, G. (Co-promotor)

  1/07/24 → …

  Project: PhD

  • Occupational Career 100%
  • Democracy 100%
  • Asia 100%
  • Democratization 100%
  • Action Research 100%

• Digitizing Other Economies

  Krishna, P. (PhD candidate), Vellema, S. (Promotor), Hobbis, G. (Co-promotor) & Legun, K. (Co-promotor)

  15/06/24 → …

  Project: PhD

• Learning from food system transitions

  Meijer, M. (PhD candidate), Duncan, J. (Promotor), Wiskerke, H. (Promotor), Herens, M. (Co-promotor) & Vellema, S. (Co-promotor)

  1/09/23 → …

  Project: PhD

  • Communities 100%
  • Comparative Analysis 100%
  • Global South 100%
  • Food systems 100%
  • Nutrition 50%

• Sustainability in Western and Central Pacific Skipjack Tuna Fisheries Management and its impact on governance of the Global Value Chain of the Tuna Canning Industry

  Adolf, S. (PhD candidate), Mol, A. (Promotor), Bush, S. (Co-promotor) & Vellema, S. (Co-promotor)

  1/09/12 → …

  Project: PhD

• Ready for the rains: What kind of socio-technical arrangements meet farmer demand for quality sweetpotato planting material in Sub-Saharan Africa?

  Almekinders, C. (CoI), Leeuwis, C. (CoI) & Vellema, S. (CoI)

  1/04/10 → …

  Project: PhD

• Finished

  The political economy of low greenhouse gas emissions dairy development in Kenya

  Vernooij, V. (PhD candidate), Vellema, S. (Promotor) & Crane, T. (Co-promotor)

  1/10/17 → 27/03/24

  Project: PhD

• Contrasting rural policies and the terms of incorporation of small farmers in the market

  Oviedo Rodriguez, C. (PhD candidate), Jansen, K. (Promotor) & Vellema, S. (Co-promotor)

  1/10/17 → 30/08/23

  Project: PhD

• Greening livestock: Incentive-based interventions for reducing the climate impact of livestock in East Africa

  Kihoro, E. (PhD candidate), Vellema, S. (Promotor) & Crane, T. (Co-promotor)

  1/10/17 → 7/12/22

  Project: PhD

• Critical understanding of service delivery models in Ghana's cocoa sector and how it fits the diverse conditions of smallholder farmers

  Obeng Adomaa, F. (PhD candidate), Vellema, S. (Promotor) & Slingerland, M. (Co-promotor)

  15/09/17 → 31/10/23

  Project: PhD

• Unravelling the inclusion of smallholder farmers in markets: The case of self-organised and farmer-led auctions trading chilli in rural Java

  Untari, D. (PhD candidate), Leeuwis, C. (Promotor) & Vellema, S. (Promotor)

  1/11/16 → 10/01/23

  Project: PhD

  • Auction 100%
  • Smallholder 100%
  • Perishable Products 100%
  • Indonesia 14%
  • Agriculture 14%

• Partnerships, inclusive development and scaling

  Vellema, S. (PI)

  1/12/14 → 31/12/17

  Project: Staff

• The systemic nature of Fusarium wilt: developing the methodological foundation for an integrative analysis of biology-society interaction

  Vellema, S. (PI)

  1/09/14 → 31/12/18

  Project: PostDoc

• Concerted action, pockets of effective bureaucracy and conductive contexts in West-African cocoa governance and extension service delivery

  Muilerman, S. (PhD candidate), Leeuwis, C. (Promotor) & Vellema, S. (Co-promotor)

  1/07/14 → 15/10/19

  Project: PhD

  • Co-Creation 100%
  • West Africa 100%
  • Professional Career 100%
  • Knowledge Gap 100%
  • Public Private Partnerships 100%

• Food security, governance and embedded coordination in value chains: understanding institutional viability in the Ugandan oilseed sector

  Schoonhoven-Speijer, M. H. A. (PhD candidate), Leeuwis, C. (Promotor) & Vellema, S. (Promotor)

  1/01/14 → 22/10/21

  Project: PhD

  • Development Policy 100%
  • Finance 100%
  • Uganda 100%
  • Arrangement 100%
  • Service Provider 50%

• Making use of diversity in banana: analysing livelihood market, and risk management strategies in East Java, Indonesia

  Nawireja, I. (PhD candidate), Vellema, S. (Promotor) & Stoorvogel, J. (Co-promotor)

  15/08/13 → 27/09/23

  Project: PhD

• Making value chains more fair through partnering

  Vellema, S. (PI) & Schouten, G. (CoI)

  1/05/13 → 30/11/14

  Project: PostDoc

• Coordination in Panama Disease Management of Banana in the Philippines

  Montiflor, M. (PhD candidate), Vellema, S. (Promotor) & Stoorvogel, J. (Co-promotor)

  1/04/13 → 13/05/24

  Project: PhD

• Cooperation in trading - an analysis of associotional and organizational sustainability in rural Mali

  Mangnus, E. (PhD candidate), Leeuwis, C. (Promotor) & Vellema, S. (Co-promotor)

  1/01/13 → 9/09/15

  Project: PhD

  • Mali 100%
  • Cooperative 100%
  • Finance 100%
  • Trade Practices 66%
  • Know How 46%

• Maintaining or crossing boundaries in integrative research

  Vellema, S. (CoI), Aarts, N. (CoI), Leeuwis, C. (PI), Jansen, K. (CoI), van Paassen, A. (CoI) & van Bommel, S. (CoI)

  1/01/13 → 1/01/18

  Project: Staff

• Global social justice and technology-use

  Vellema, S. (CoI), Maat, H. (CoI), Sherwood, S. (CoI), Verweij, M. (CoI) & Ludwig, D. (CoPI)

  1/01/13 → 1/01/22

  Project: Staff

• Territorial marketing as strategic tool for the development of agrifood chains: the case of Morocco

  Donner, M. (PhD candidate), Leeuwis, C. (Promotor) & Vellema, S. (Co-promotor)

  1/10/12 → 10/06/16

  Project: PhD

  • France 100%
  • Local Development 100%
  • Brand Equity 100%
  • Participatory Development 66%
  • Sociology 66%

• Oversight configuration and sustainability in global commodity chains. Learnings from cocoa.

  Uribe Leitz, E. (PhD candidate), Oosterveer, P. (Promotor) & Vellema, S. (Co-promotor)

  1/09/12 → 10/01/23

  Project: PhD

• Panama Disease in Banana: Multi-level solutions for a global problem

  Vellema, S. (CoI), Stoorvogel, J. (CoI) & Jansen, K. (CoI)

  1/01/12 → 31/12/18

  Project: Staff

• Reg.transities: innovatiekracht PPS samenwerking (KB-16-005-002)

  Vellema, S. (Project Leader)

  18/11/11 → 31/12/11

  Project: LVVN project

• Regionale transities: versterken innovatiekracht in PPS samenwerking (KB-16-002.01-002, KB-07-007-007)

  Vellema, S. (Project Leader)

  1/01/10 → 31/12/12

  Project: LVVN project

• The making of quality: a technography of small scale palm oil processing in Ghana

  Adjei, B. (PhD candidate), Richards, P. (Promotor) & Vellema, S. (Co-promotor)

  1/04/09 → 28/10/14

  Project: PhD

  • Value Creation 100%
  • Public Policy 100%
  • Manufacturing System 100%
  • Institutional Infrastructure 100%
  • Ghana 100%

• Partnerschip and the division of labour in the making of clean planting materials: a technography of socially embedded team work in banana and Irish Potato tissue culture engineering in the central highlands of Kenya

  Ndubi, J. (PhD candidate), Richards, P. (Promotor) & Vellema, S. (Co-promotor)

  1/04/09 → 30/11/15

  Project: PhD

  • Mountains 100%
  • Group Work 100%
  • Selection Procedure 100%
  • Diseases 100%
  • Plant Diseases 100%

• Mechanisms of exclusion and inclusion in Malian shea realm: an integrative analysis of performance and collective action

  Sidibe, A. (PhD candidate), Kuijper, T. (Promotor) & Vellema, S. (Co-promotor)

  1/04/09 → 10/12/13

  Project: PhD

• Technological learning in the flower sector: How do Ethiopian rose farms develop technological capabilities

  Debele, D. (PhD candidate), Richards, P. (Promotor) & Vellema, S. (Co-promotor)

  1/04/09 → 29/10/14

  Project: PhD

  • Know How 100%
  • Technology Transfer 100%
  • Code of Practice 100%
  • Case Study 100%
  • Corporate Social Responsibility 100%

• Viable Chain Configurations 2008 (KB-03-003-010)

  Vellema, S. (Project Leader)

  1/01/09 → 31/12/09

  Project: LVVN project

• Mogelijkheden om met instituties te experimenteren (KB-07-004-0008)

  Vellema, S. (Project Leader)

  1/01/09 → 31/12/09

  Project: LVVN project

• Technologie effecten op organisatievormen waaronder gezinsbedrijf (KB-07-003-0012)

  Vellema, S. (Project Leader)

  1/01/09 → 31/12/09

  Project: LVVN project

• Exploring the window of opportunity for sustainable fresh produce consumption in Vietnam. Beyond the western paradigms of consumption

  Wertheim-Heck, S. (PhD candidate), Spaargaren, G. (Promotor) & Vellema, S. (Co-promotor)

  1/01/08 → 20/11/15

  Project: PhD

  • Food Safety 100%
  • Supermarket 36%
  • Everyday Life 22%
  • Social Practice 22%
  • Empirical Research 18%

• Local and international value chains: the viability of innovation networks and institutional arrangements

  Vellema, S. (PI)

  1/01/07 → 31/12/15

  Project: Staff

• Technology horizons: theory and practice of integrative research

  Vellema, S. (CoI), Richards, P. (PI), Almekinders, C. (CoI), Jansen, K. (CoI), Maat, H. (CoI) & Crane, T. (CoI)

  1/05/06 → 31/12/13

  Project: Staff