We make rainwater reuse possible, because cities need water to thrive.
We are developers of a new generation of nature-based water technology solutions for a sustainable built environment.
We have a big problem: water is becoming increasingly scarce.
We believe cities can be the solution - we use the built surface to collect rainwater, and turn it into a valuable source for use.
Water is the most valuable asset on earth, and it is not an infinite resource. With the ever growing urban population and changing climate, cities are going to need more water.
Our goal is to make rainwater reuse the new standard in the built environment. To do that, we use the paved surfaces as catchment areas for rainwater, and use nature to treat it to the right quality and make it available for long-term use.
With our in-house knowledge on architecture, water technology & engineering al background, we bridge the gap between water quality technology & urban design. With our solution, we use water and green to create healthy & attractive cities.
Let’s make our cities green, healthy and future-proof!
In 2014, while looking outside during a heavy rain in the center of Amsterdam, Karina & Wilrik - the two founders of FieldFactors - noticed that the water on the street was difficult to drain; the sewer was overloaded.
This got them thinking. Why do we keep building our cities with kilometers of sewers to discharge rainwater and then bring it back through different pipes? Why not let nature do the work to store and treat rainwater where it falls?
With a background in architecture and product innovation, they founded FieldFactors in 2016, in Delft, to bring their vision to life.
Today, FieldFactors has grown into a multicultural team of designers, engineers & water scientists. A team which has won multiple international prizes for urban water innovation and works everyday to make cities better places to live.
FieldFactors’ team
We are a multicultural team of designers, engineers & scientists.
We work everyday on making liveable cities with green spaces & healthy water systems.
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Karina Peña
The founder
Chief Executive OfficerKarina’s enthusiasm is contagious and she never gives up. Her vision is what got us here in the first place, and is what keeps us going.
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Wilrik Kok
The founder
Chief Commercial OfficerWilrik could also be called our inventive director. He’s always looking for ways to solve problems and translate them into products.
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Kieran Dartée
The strategist
Head of OrganisationWhen every detail is right, Kieran is happy. He always makes sure we deliver our best work possible.
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Joshua Gallegos
The scientist
Head of Research and DevelopmentAsk Joshua anything about our water systems and he knows the answer. Putting state of the art knowledge into practice.
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Thomas Biffin
The operator
Head of DeliveryThomas is our ultimate coordinator. He takes care that our systems perform at their best and always look good.
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Alejandro Moreno
The specialist
Water Process EngineerHave technical questions? Alejandro is your guy. Alejandro is responsible for the engineering our systems from first calculations to detailing and instrumentation.
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Mary Brown McGregor
The designer
Landscape ArchitectMary ensures that our systems fit beautifully wherever they are installed. With attention to detail, they creates designs that last.
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Ruben Wentink
The networker
Senior Business DeveloperWith his knowledge, experience and network in the water world, Ruben knows how to connect various stakeholders in the water chain. This great conversationalist provides suitable solutions that are of added value for everyone.
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Erwin Boer
The technician
System OperatorErwin knows everything about the technology behind our systems. He is a real go-getter and always has a solution ready. With all his experience in the management and maintenance of water technical installations, no malfunction can upset him.
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Lieke Heijkoop
The maker
Integrated Product designerLieke loves a design challenge. She is working on a new modular design for the embodiment of our biofilters.
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Patricia Cuellar
The eagle eye
Senior Process EngineerPatricia believes there is always room for improvement. With her experience in water treatment and a sharp eye for detail, she helps refine our processes and ensure our systems perform at their best.
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Marion Noret
The facilitator
Commerce CoordinatorMarion enjoys bringing people and opportunities together. Whether supporting commercial activities or building new connections, she helps turn conversations into meaningful projects that make a difference.
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Susana Zarzoza
The bridge
Sales EngineerSusana enjoys being the bridge between people and solutions. She listens carefully to clients, works closely with engineers, and helps turn needs into practical and sustainable water solutions.
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Lishan Xu
The storyteller
Marketing & Content CreatorWhen something exciting happens at FieldFactors, chances are Lishan is already there with a camera. She captures the moments that matter and turns them into stories that showcase our impact.
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Abdurrahman Aliyu
The system analyst
EngD ResearcherAbdurrahman sees potential where others see puddles. He brings hands-on experience to the GreenLED project with one goal: to analyze and improve the urban rainwater treatment system so cities and local communities can make better use of stormwater.
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Anik Dutta
The water expert
Water Quality EngineerAnik is always happy to talk about water. From advanced water treatment to nature-based solutions, he loves exploring what works best. Finding sustainable ways to work with nature is what motivates him most.
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Vera Hollander
The connector
Project Delivery EngineerVera makes sure all the pieces come together. With an integral approach and strong attention to detail, she connects colleagues, clients and partners throughout the delivery process. Her goal is always the successful realization of high-quality projects.
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Lisette Hofland
The organiser
Office & People ManagerLisette keeps everything running behind the scenes. From supporting colleagues to creating structure in the day-to-day, she helps make FieldFactors a place where people feel welcome, valued and ready to do their best work.
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Oscar Alvarado
The planner
Senior Project ManagerOscar likes it when everything falls into place. With a passion for nature and a technical background, he keeps projects moving forward and makes sure our water systems are delivered smoothly from start to finish.
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Lathe Lim-Hamzah
The engineer
Head of Design and EngineeringGive Lathe a complex challenge and they are in their element. Turning design requirements and project constraints into elegant solutions is what drives them. If there is a better way to do it, Lathe will find it.
Global Recognition
We have won several international competitions on innovation & sustainability in urban water management.
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Winner 2020
Imagine H2O Urban Water Challenge
A worldwide competition for startups using technology to rethink urban water. With 235 entries from 44 countries, FieldFactors took home the first prize. -

Finalist 2019
Postcode Lottery Green Challenge
One of the largest competitions in the field of sustainable entrepreneurship. No less than 1364 green start-ups submitted their promising sustainable business plans. FieldFactors was one of the 5 finalists.
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Funding 2019-2020
EIT Climate-KIC
EIT Climate-KIC works to accelerate the transition to a zero-carbon, climate-resilient society. FieldFactors has received European funding & scientific support to test and demonstrate BlueBloqs in The Netherlands, Belgium & Spain.

