Siem Vaessen

Siem Vaessen Email and Phone Number

CEO | ZIMMERMAN B.V. @ Zimmerman
Amsterdam, NH, NL
Siem Vaessen's Location
Amsterdam, North Holland, Netherlands, Netherlands
Siem Vaessen's Contact Details

Siem Vaessen personal email

Siem Vaessen phone numbers

About Siem Vaessen

Siem is a data visualisation expert and a passionate advocate for open data and machine learning in the international aid development sector. He has over 25 years of experience working with global organisations to provide data products and services that help them understand their data life cycle and the impact of their work.As the CEO of Zimmerman B.V., he leads the agile design and development team that creates innovative and user-friendly data visualisation portals for clients such as FCDO and The Global Fund. He also contributes to raising awareness of open data and data quality standards through the IATI.Cloud platform, which enables data sharing and analysis across the sector. Siem's mission is to enable effective aid development through the lens of data, and to empower organisations to make data-driven decisions.

Siem Vaessen's Current Company Details
Zimmerman

Zimmerman

View
CEO | ZIMMERMAN B.V.
Amsterdam, NH, NL
Siem Vaessen Work Experience Details
  • Zimmerman
    Ceo | Zimmerman B.V.
    Zimmerman
    Amsterdam, Nh, Nl
  • International Aid Transparency Initiative
    Iati Governing Technical Board Member
    International Aid Transparency Initiative Apr 2024 - Present
    The IATI Governing Board takes a leadership role in overseeing the implementation of IATI’s work. The board puts recommendations on key budget and strategic issues to the Members’ Assembly for final approval.The Board is made up of seven members representing providers of development cooperation, partner countries and civil society, non-governmental and private sector organisations. The Board also includes one technical representative. The members of the Board appoint IATI’s Chair and Vice Chairs, who chair both the Governing Board and the Members’ Assembly.
  • Zimmerman
    Ceo | Zimmerman B.V.
    Zimmerman Jan 2011 - Present
    Amsterdam Area, Netherlands
    We contribute to a better understanding for effective aid development through the lens of open data and data visualisation. Over the past decade we have been serving global organisations operating in the field of humanitarian assistance to provide data products and services and raise awareness of open data making use of machine learning and data visualisation.
  • Zimmerman B.V.
    Data Management Specialist | Fcdo
    Zimmerman B.V. Jan 2012 - Present
    Amsterdam Area
    Foreign, Commonwealth & Development Office (FCDO )is a United Kingdom government department responsible for administering overseas aid. The goal of the department is "to promote sustainable development and eliminate world poverty". DFID is headed by the United Kingdom's Secretary of State for International Development.
  • Zimmerman B.V.
    Product Development Manager | The Global Fund
    Zimmerman B.V. Jan 2018 - Present
    Geneva, Switzerland
    The Global Fund aims to accelerate the end of AIDS, tuberculosis and malaria as epidemics. As an international organization funded by the European Union, the US, China, Japan and several philanthropic organizations, The Global Fund mobilizes and invests more than $ 4 billion annually to support programs in more than 100 countries.In order to gain a better insight into the investments, results and the impact of The Global Fund in reducing epidemics, there was a need for a smart "Data Explorer".Together with the digital team of The Global Fund in Geneva, Zimmerman designed a first Proof of Concept of a Data visualization portal in 18 months in close collaboration with financial experts and the data innovation lab at The Global Fund.
  • Zimmerman B.V.
    Information Technology Management | Unesco
    Zimmerman B.V. Jun 2015 - May 2022
    Amsterdam Area
    UNESCO is the educational, scientific and cultural organization of the United Nations. Siem, together with the digital innovation team of UNESCO in Paris, went through various parts of the Design Thinking method. In the first phase, they jointly established the strategic framework and mapped out the technical requirements. Subsequently, he initiated a user survey together with UNESCO. Functional user stories were then compiled with the user feedback, which served as a guideline for the further development of the new responsive UNESCO IATI Data Transparency portal.
  • Zimmerman B.V.
    Information Technology Specialist | Odi
    Zimmerman B.V. Jan 2014 - May 2022
    Amsterdam Area
    ODI is an independent, global think tank based in London. Their vision is a sustainable and peaceful world in which everyone thrives. They use the power of evidence and ideas through research and partnership to face challenges, develop solutions and create change.Siem worked with a scrum team from ODI on a completely new open IATI Transparency Portal. Siem translated the business and technical requirements into user stories, translated the user stories into wireframes and eventually translated them into the final adaptive visual designs within the ODI corporate brand guideline, after which he did a handover to the technical team for implementation.A full integration of the IATI data published by ODI was part of this mission.
  • Zimmerman B.V.
    Product Delivery Manager | Iati
    Zimmerman B.V. Oct 2018 - Jul 2021
    Amsterdam Area
    IATI is a global initiative to improve the transparency of development and humanitarian resources and their results for addressing poverty and crises.IATI brings together governments, multilateral institutions, private sector and civil society organisations and others to increase the transparency of resources flowing into developing countries.
  • Zimmerman B.V.
    Data Manager | Development Initiatives
    Zimmerman B.V. Jan 2019 - Jan 2021
    Amsterdam Area
    The IATI Humanitarian Data Portal has been developed by Development Initiatives as part of its programme to support the Grand Bargain transparency workstream. The portal provides information on the Grand Bargain transparency commitments, how they are measured , and monitors progress at an aggregate level for signatories in meeting their commitment to publish timely, high quality, harmonised and transparent open data on global humanitarian action.Zimmerman was requested to deliver the design and implementation for the Humanitarian Portal working together with Development Initiatives.
  • Zimmerman B.V.
    Data Management Team Lead | Aidsfonds
    Zimmerman B.V. Jun 2015 - Dec 2020
    Amsterdam Area
    Aidsfonds is available for everyone in the Netherlands and abroad who is dealing with HIV / AIDS. Aidsfonds finances scientific research, stands up for the rights of people with HIV and develops and finances projects for prevention and treatment for vulnerable groups.Together with a project team from the Aidsfonds, Siem designed the Zoom data platform where different datasets can be visualized with the aim of gaining better insight into the variety of health indicators, enabling Aidsfonds to gain more understanding of their active programmes, the status of projects in the different countries and the results achieved within programs and projects. Zoom enables Aidsfonds and partners worldwide to gain up-to-date insight into the (sub) locations and (sub) groups where support is most needed, to make informed choices about where and how they should work, and to better measure and demonstrate the impact of their contributions.
  • Zimmerman B.V.
    Product Manager | International Organisation For Migration
    Zimmerman B.V. Jun 2017 - Jul 2020
    Amsterdam Area
    With 173 Member States and offices in more than 100 countries, IOM is committed to promoting humane and orderly migration. It does this by providing services and advice to governments and migrants. IOM is committed to orderly and humane migration management, to promoting international cooperation on migration issues, to seeking practical solutions to migration problems and to providing humanitarian assistance to migrants in need, including refugees and internally displaced persons.Zimmerman’s assignment was to design a data workflow for IATI data and to deliver an IATI data Portal that presents IOM financial and project data in an understandable and easy to use manner for internal stakeholders. His job was to map all data elements, select the right type of digital data visualizations, define a responsive grid and make each component responsive in Sketch. Based on its design, Zimmerman implemented the data portal. Transformation from the internal information systems to a valid IATI Data file that is used on the Portal was part of the delivery.
  • Zimmerman B.V.
    Product Delivery Manager | Municipality Of Almere
    Zimmerman B.V. Jan 2018 - Jan 2020
    Amsterdam Area
    In 40 years, Almere has grown into the 8th city of the Netherlands with more than 200,000 inhabitants. Together with the registry of Almere and Leiden University, SIem worked as a senior UX advisor on the Open Council Information web platform. The primary goal was to make decision making more transparent for councilors and residents of Almere.Siem's challenge was to design a user-friendly, service-oriented open data portal in which the core values of Almere’s council members could be produced and accessed.His solution consisted of jointly developing a digital strategy to subsequently implement the open data publication platform with room for feedback from user research from the council members and residents, in a responsive website with clear intuitive navigation.
  • Zimmerman B.V.
    Project Delivery Manager | Netherlands Enterprise Agency
    Zimmerman B.V. Jan 2016 - Jan 2020
    Amsterdam Area
    The national government is committed to an excellent business climate. Ministries set out policies for this. The task of implementing this policy lies with the Netherlands Enterprise Agency (RVO).The user tests consisted of a think aloud procedure and an open question interview that were conducted on location. Based on the results, he gave advice on sharpening the proposition and designed the online environment and digital channels that the RVO could deploy in the context of open data and transparency.
  • Zimmerman B.V.
    Product Development Manager | Un-Habitat
    Zimmerman B.V. Jan 2013 - Sep 2018
    Amsterdam Area
    UN-Habitat headquartered in Nairobi (Kenya) is working for a brighter future for all cities in the world. UN-Habitat is located in more than 90 countries and promotes the development of socially and environmentally sustainable cities, towns and communities. UN-Habitat strives for sufficient shelter with a better standard of living for everyone.Siem challenge was to transform internal project information to the IATI data standard, map all available data from UN-Habitat on urban prosperity in a newly designed IATI data Portal.Siem's role was to set up the technical information architecture through different types of flowcharts, to develop functional user stories, to set up wireframes and ultimately to hold various rapid prototype iterations with the project team. This has resulted in a visual design that has been used to further develop an initial MVP.As part of this mission, IATI was fully integrated into the MVP as an IATI Data Portal.
  • Zimmerman B.V.
    Product Manager | Iati Studio
    Zimmerman B.V. Jan 2016 - Jan 2018
    Amsterdam Area
    IATI Studio was an interactive Data Toolkit that made it possible to visualise, analyse and publish aid development data published to the IATI Standard. IATI Studio extracted all IATI datasets covering $150 billion of aid published in the IATI format, and provided access to easy online tools to interact with all of that aid data. It promoted accountability and transparency on a global and local level and enables in-depth analysis of where the money goes and who spent the money on what.
  • Zimmerman B.V.
    Data Specialist | Interaction
    Zimmerman B.V. Oct 2016 - Oct 2017
    Amsterdam Area
    Founded in 1984, InterAction is the largest alliance of international NGOs and partners in the United States. They mobilize members to think and act together to help the world's poor and vulnerable.
  • The Open Data Company
    Ceo | Open Data Company B.V.
    The Open Data Company Jun 2021 - Present
    Amsterdam, North Holland, Netherlands
    The Open Data Company aims to create a transparent world where people and organisations are empowered to use data to drive change for a better future by unlocking the full potential of aid development data in order for them to drive change in today's complex & interconnected world.
  • Zimmerman B.V.
    Project Manager | Oxfam Novib
    Zimmerman B.V. Jan 2015 - Jan 2016
    Amsterdam Area
    Oxfam Novib tackles the problems that cause and perpetuate poverty: hunger, insecurity, injustice and lack of perspective. Together with local partners, they offer people the means and knowledge to stand on their own two feet.Siem has designed the information architecture, the UX and visual design of the new dashboard in various ways and tested this together with end users and delivered it to the technical team (the front-end developers).
  • Zimmerman B.V.
    Data Specialist | Leiden University
    Zimmerman B.V. Jan 2015 - Oct 2015
    Amsterdam Area
    At the Center for Innovation / HumanityX in The Hague, part of Leiden University, they focus on people and context. They develop learning experiences, applications, technologies and methodologies, always focused on understanding, exploring and influencing basic problems.The challenge was to develop a UX concept together with a research team from Leiden University and a user-friendly user interface with the aim of validating whether it is possible to merge different big data streams.Siem's role, together with a data scientist, was to set up the technical information architecture through different types of flowcharts, to develop functional user stories, to set up wireframes and ultimately to hold various rapid prototypes iterations with the project team, which ultimately resulted in a visual design that was used to further develop an initial MVP.
  • Zimmerman B.V.
    Product Delivery Manager | Ministry Of Foreign Affairs The Netherlands
    Zimmerman B.V. Jan 2011 - Jan 2015
    Amsterdam Area
    The national government is committed to an excellent business climate. Ministries set out policies for this. The task of implementing this policy lies with the Netherlands Enterprise Agency (RVO).Siem has been involved in the first Netherlands Enterprise Agency open IATI Data Portal that was developed on behalf of The Netherlands Enterprise Agency. The web platform aims to visualize all open aid IATI data related to development cooperation in a simple way. Financial data per country, per sector and per project can be viewed, with the aim of full transparency from the government about what happens with Dutch tax money.Siem facilitated the design and technical thinking workshops (including customer journeys, personas, and ideation), devise the concept / data visualization platform with innovative solutions, and develop a roadmap around the concept.
  • Zimmerman B.V.
    Project Manager | Rain Foundation
    Zimmerman B.V. Jan 2012 - Jan 2013
    Amsterdam Area
    Sufficient and safe water must be available to everyone. Unfortunately, many people do not have access to safe water. How do you change that? Harvest rainwater! Since its establishment in 2003, RAIN has been working with its partners to develop, distribute and implement rainwater collection systems.
  • Sound And Vision
    Digital Consultant
    Sound And Vision Sep 2009 - Nov 2014
    Hilversum, The Netherlands
    Sound and Vision is the institute for media culture; an inspiring, creative and accessible meeting place for private individuals and professionals. We interpret current developments concerning people, media and society from a media-historical perspective.As part of the project ‘Images for the Future’ Siem was requested to create specifications for a recommendation engine to be delivered as a service for internal use and to expedite archive use.
  • Akvo
    Project Manager
    Akvo Dec 2009 - Apr 2010
    The Hague Area, Netherlands
    Akvo believes in equal access to public services, reliable infrastructure and a safer environment for everyone. They are convinced that this will happen faster if governments and non-governmental organisations become more effective, accountable and collaborative.Akvo’s combination of tools, services, local expertise and sector knowledge, Akvo’s partners improve the management of water, sanitation and agriculture, with a strong commitment to accelerating the progress of the sustainable development goals.For Akvo, Siem was leading two software projects, setting up functional user stories and creating a MVP dashboard for water and sanitation models.
  • Aspo Netherlands
    Consultant
    Aspo Netherlands Sep 2009 - Apr 2010
    Wrote specifications for an oil benchmarking tool for SME's in the Netherlands.
  • Aspo Netherlands
    Governing Board Member
    Aspo Netherlands Jun 2005 - Sep 2009
    Finding awareness opportunities for the foundation and laying out the financial structure.
  • Noterik Bv
    Marketing Director
    Noterik Bv Oct 2007 - Jun 2009
    Branding development, advertising solutions, product sales.
  • Noterik Bv
    Coo
    Noterik Bv Jun 2005 - Aug 2007
    Maintained a healthy balance between project scope, delivery and products.
  • Noterik Bv
    Project Manager
    Noterik Bv Oct 2004 - May 2005
    Lead a variety of complex ICT integration projects involving different (third) parties, controlling and monitoring set milestones and deliverables.
  • Webcode
    Director | Webcode
    Webcode Sep 1999 - Jul 2005
    Amsterdam Area, Netherlands
    Webcode was an internet agency based in Amsterdam with a key focus on providing internet solutions to clients in the field of cultural heritage.
  • Stork'S Nest
    Board Member
    Stork'S Nest May 2002 - Apr 2005
    Localising affordable artists workspaces in Amsterdam and creating a sustainable businessplan for artists to run their own workspaces.
  • Corbis Sygma
    Freelance Photojournalist
    Corbis Sygma Apr 1999 - Jun 1999
    Pakistan
    Getty Images is among the world’s leading creators and distributors of award-winning still imagery, video, music and multimedia products, as well as other forms of premium digital content, available through its trusted house of brands, including iStock© and Thinkstock©.Siem covered the conflict in Kashmir (1999).
  • United Press International
    General Manager
    United Press International Jun 1997 - Jun 1998
    Amsterdam, North Holland, Netherlands
    Day to day production management of photo-reportages. Editing, sales.
  • Abc Press
    Senior Photo Editor | Abc Press
    Abc Press May 1993 - May 1997
    Amsterdam Area
    ABC Press was an international photo agency in Amsterdam that represented international renowned photographers and photo collectives like Magnum Photography.Archiving and editing. Creating pre-selections of images for client-portfolio, mainly dutch magazines and newspapers.

Siem Vaessen Skills

Strategy Web Design Multimedia Project Management Research Software Development Marketing Business Strategy Interaction Design Management Consulting Business Development Product Management Data Driven Services

Frequently Asked Questions about Siem Vaessen

What company does Siem Vaessen work for?

Siem Vaessen works for Zimmerman

What is Siem Vaessen's role at the current company?

Siem Vaessen's current role is CEO | ZIMMERMAN B.V..

What is Siem Vaessen's email address?

Siem Vaessen's email address is si****@****an.team

What is Siem Vaessen's direct phone number?

Siem Vaessen's direct phone number is +312033*****

What are some of Siem Vaessen's interests?

Siem Vaessen has interest in Civil Rights And Social Action, Environment, Poverty Alleviation, Disaster And Humanitarian Relief, Human Rights.

What skills is Siem Vaessen known for?

Siem Vaessen has skills like Strategy, Web Design, Multimedia, Project Management, Research, Software Development, Marketing, Business Strategy, Interaction Design, Management Consulting, Business Development, Product Management.

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.