André Jonkman
Director/Board Member at GRONTMIJ
Network origin in André Jonkman first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
24
| Public Company | Engineering & Construction | 24 |
20
| Subsidiary | Engineering & Construction | 20 |
Dietsmann NV
 Dietsmann NV Other Consumer ServicesConsumer Services Dietsmann NV engages in maintenance of production plant in the oil and gas, power and mining industries. Its services include maintenance engineering, operation and maintenance services, electrical and instrumentation engineering and construction, and technical assistance services. The company was founded by Peter R. G. Kütemann in 1977 and is headquartered in Breda, the Netherlands.
12
| Private Company | Other Consumer Services | 12 |
Dietsmann Monte-Carlo SAM
 Dietsmann Monte-Carlo SAM Engineering & ConstructionIndustrial Services Dietsmann Monte-Carlo SAM provides operations and maintenance services to the oil and gas industry. Its products and services include maintenance engineering, operation & maintenance services, and electrical & instrumentation engineering and construction services. The company was founded by Peter R. G. Kutemann in 1982 and is headquartered in Monte Carlo, Monaco.
6
| Subsidiary | Engineering & Construction | 6 |
Zytec BV
 Zytec BV Electrical ProductsProducer Manufacturing Zytec BV is a Dutch company that specializes in state-of-the-art non-contact drives for industrial installations. The private company is based in Vlaardingen, Netherlands. The company's magnetic coupling technology promotes a greener environment and a sustainable future while reducing costs and increasing durability. The company offers a maintenance-free solution for uninterrupted operations and their non-contact drives are designed to adapt to changing industry demands, ensuring longevity and performance. Zytec's customers benefit from their knowledge and expertise, and they have partnerships and alliances to minimize plant downtime.
4
| Private Company | Electrical Products | 4 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to André Jonkman via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
| PATTERSON-UTI ENERGY, INC. | Contract Drilling | Chief Executive Officer | |
| ASM INTERNATIONAL N.V. | Industrial Machinery | Chairman Director of Finance/CFO | |
DSM NV
 DSM NV Chemicals: SpecialtyProcess Industries DSM BV engages in the provision of ingredients, expertise, and solutions for plant-based products. It operates through the following segments: Animal Nutrition and Health (ANH); Health, Nutrition, and Care (HNC); Food and Beverage (F and B); and Other. The ANH segment includes developing sustainable animal farming through essential products, performance solutions, and precision services serving the poultry, swine, ruminants, and aquaculture markets. The HNC segment provides health, nutrition, and care solutions for markets such as early life nutrition, dietary supplements, pharma, medical, and personal care. The F and B segment focuses on supporting healthy diets through nutritious, delicious, and sustainable solutions for several market segments including bakery, beverages and brewing, dairy, savory, plant-based alternative proteins, and pet food. The Other segment is involved in corporate activities. The company was founded in 1902 and is headquartered in Heerlen, the Netherlands. | Chemicals: Specialty | Corporate Officer/Principal | |
| PAION AG | Pharmaceuticals: Major | Director/Board Member | |
| MDXHEALTH SA | Medical Specialties | Director/Board Member | |
| Nyenrode Business Universiteit | College/University | Undergraduate Degree | |
| ALMIRALL, S.A. | Pharmaceuticals: Major | Director/Board Member | |
ERGO Group AG
 ERGO Group AG Insurance Brokers/ServicesFinance ERGO Group AG engages in the provision of insurance and financial services. Its business units include German, International, and Direct and digital business. The firm offers life insurance, health insurance, legal expenses insurance, property and casualty insurance, travel insurance, pension fund, and financial services. The company was founded on August 1, 1997 and is headquartered in Dusseldorf, Germany. | Insurance Brokers/Services | Director/Board Member | |
| KERRY GROUP PLC | Food: Specialty/Candy | Director/Board Member | |
| ROYAL IMTECH | Engineering & Construction | Chairman Director/Board Member | |
Stork BV
 Stork BV Miscellaneous Commercial ServicesCommercial Services Stork BV provides knowledge-based asset integrity management services. It offers asset management consultancy services in the areas of strategic asset management, asset reliability management, organization and processes, implementation power, outsourcing, and asset lifecycle and rotating equipment services, including rotating equipment diagnostics, turbo machinery maintenance, blade production, gearbox repair, pump, and railway services. The firm's customers include the oil and gas, chemical, power, food and pharmaceuticals industries. The company was founded in 1827 and is headquartered in Utrecht, the Netherlands. | Miscellaneous Commercial Services | Director of Finance/CFO Chief Executive Officer | |
| ROYAL BAM GROUP N.V. | Engineering & Construction | Chairman Director/Board Member | |
| ARCADIS NV | Engineering & Construction | President Director/Board Member | |
| SWECO AB | Engineering & Construction | Director of Finance/CFO Chief Executive Officer General Counsel Director/Board Member General Counsel | |
NIBC Bank NV
 NIBC Bank NV Finance/Rental/LeasingFinance NIBC Bank NV engages in the provision of investment banking and financial services. The firm offers advises on mergers, acquisitions, financial policy, and property financing, lending, leveraged finance, and derivatives. It provides asset financing to corporate lending, leveraged finance, oil and gas services, infrastructure, real estate, and shipping Sector. The company was founded in 1945 and is headquartered in The Hague, the Netherlands. | Finance/Rental/Leasing | Investor Relations Contact | |
Booz Allen Hamilton, Inc.
 Booz Allen Hamilton, Inc. Engineering & ConstructionIndustrial Services Booz Allen Hamilton, Inc. engages in the provision of management and technology consulting services. Its services include consulting, analytics, digital solutions, engineering, cyber security, and product. The company was founded by Edwin G. Booz in 1914 and is headquartered in McLean, VA. | Engineering & Construction | Corporate Officer/Principal | |
Gimv Nederland BV
 Gimv Nederland BV Investment ManagersFinance Gimv Nederland BV (Gimv-Nederland) is the Netherlands-based private equity subsidiary of GIMV Corporate Investment, which in turn is a subsidiary of Gimv NV (XB: GIMB) in Belgium. Established in 1983, Gimv-Nederland was formerly known as Halder Invest BV and became part of the Gimv Group in 2000. The firm is located in The Hague with additional offices in Frankfurt and Antwerp. Their clients include fund of funds, insurance companies, banks, corporations and pension funds. | Investment Managers | Private Equity Investor | |
Dietsmann Energoremont Holding AD
 Dietsmann Energoremont Holding AD Other Consumer ServicesConsumer Services Dietsmann Energoremont Holding AD engages in the provision of repair and construction. The company activities include rehabilitation, reconstruction, modernization and construction of power systems in thermal power plants, heating power plants, water power plants and nuclear power Plants, facilities in gas-petroleum, chemical and mine industry and transport infrastructure. It also involves in the design, production, delivery, construction and installation of power equipment and metal structures, as well as control and determination of the resource of the metals, as well as maintenance. The company was founded in 1969 and is headquartered in Sofia, Bulgaria. | Other Consumer Services | Director/Board Member Director/Board Member | |
| Stichting Prioriteit Arcadis NV | Investment Trusts/Mutual Funds | Corporate Secretary Director/Board Member | |
| INSEAD | College/University | Masters Business Admin Masters Business Admin | |
| NIBC HOLDING N.V. | Investment Banks/Brokers | Investor Relations Contact | |
| Erasmus University Rotterdam | College/University | Doctorate Degree Graduate Degree | |
| University of Leiden | College/University | Graduate Degree | |
| Delft University of Technology | College/University | Chairman Undergraduate Degree Graduate Degree Director/Board Member Director/Board Member Graduate Degree Graduate Degree | |
| University of Groningen | College/University | Graduate Degree Undergraduate Degree Graduate Degree | |
| Vrije Universiteit Amsterdam | College/University | Doctorate Degree | |
Ansaldo Thomassen BV
 Ansaldo Thomassen BV Electrical ProductsProducer Manufacturing Ansaldo Thomassen BV designs, manufactures and services gas turbine systems. It offers filed service, repairs, spare parts, conversions, modifications, upgrades and training. The company was founded by Geurt Thomassen in 1886 and is headquartered in Rheden, the Netherlands. | Electrical Products | Comptroller/Controller/Auditor | |
| GERRESHEIMER AG | Containers/Packaging | Director/Board Member | |
Strategy&
 Strategy& Miscellaneous Commercial ServicesCommercial Services Strategy& engages in the provision of global management consulting services. It serves industries including aerospace and defense; health; oil and gas; technology; automotive; entertainment and media; power and utilities; telecommunications; and transportation. The company was founded in 1914 and is headquartered in New York, NY. | Miscellaneous Commercial Services | Corporate Officer/Principal | |
| De Vereniging Effecten Uitgevende Ondernemingen | Corporate Officer/Principal Director/Board Member | ||
Fugro GB (North) Marine Ltd.
 Fugro GB (North) Marine Ltd. Engineering & ConstructionIndustrial Services Fugro GB (North) Marine Ltd. provides surveying services. The firm operates a fleet of five vessels that are equipped with survey spreads, all of which are primarily geophysical, hydrographic vessels and autonomous underwater vehicle. It also provides survey and surface, subsea positioning equipment and services to contractors and organizations deployed from their vessels, barges and rigs. The company is headquartered in Aberdeen, the United Kingdom. | Engineering & Construction | Chief Executive Officer Director/Board Member | |
PSV NV
 PSV NV Movies/EntertainmentConsumer Services PSV NV operates as a football club. The firm's other activities include sale of tickets and merchandise and operation of museum. The company was founded on August 31, 1913 and is headquartered in Eindhoven, the Netherlands. | Movies/Entertainment | Director/Board Member | |
Sweco Norge AS
 Sweco Norge AS Miscellaneous Commercial ServicesCommercial Services Sweco Norge AS engages in the provision of professional consulting services. It provides services in engineering, environmental, and architecture. The company is headquartered in Oslo, Norway. | Miscellaneous Commercial Services | Director/Board Member Chairman | |
SWECO Sverige AB
 SWECO Sverige AB Packaged SoftwareTechnology Services Part of Sweco AB, SWECO Sverige AB is a private company that provides software related services. The company is based in Stockholm, Sweden. The Swedish company was founded in 2008. The CEO is Asa Bergman. | Packaged Software | Director/Board Member Chairman General Counsel | |
Dietsmann Technologies SA
 Dietsmann Technologies SA Engineering & ConstructionIndustrial Services Dietsmann Technologies SA engages in the provision of operation and maintenance services. The company was founded on October 28, 1992 and is headquartered in Salies-du-Salat, France. | Engineering & Construction | Chairman Corporate Officer/Principal Director/Board Member | |
Humedics GmbH
 Humedics GmbH Packaged SoftwareTechnology Services Humedics GmbH operates as a research-based medtech company. It focuses on rapid and precise lover function measurement using LiMax, a breath analysis technology. The company was founded by Martin Stockman, Erwin de Bujizer, and Karsten Heyne in 2009 and is headquartered in Berlin, Germany. | Packaged Software | Chairman | |
Association of Dutch Suppliers in the Oil & Gas Industry
 Association of Dutch Suppliers in the Oil & Gas Industry Miscellaneous Commercial ServicesCommercial Services Association of Dutch Suppliers in the Oil & Gas Industry engages in the exploration of oil and gas. The company was founded in 1971 and is headquartered in Rotterdam, the Netherlands. | Miscellaneous Commercial Services | Director/Board Member Chairman | |
| Rotterdam School of Management | College/University | Masters Business Admin Masters Business Admin | |
Institute for Translational Vaccinology
 Institute for Translational Vaccinology BiotechnologyHealth Technology Institute for Translational Vaccinology is a Dutch independent company that partners with clients in vaccine development, from discovery to pilot production to clinical studies. The non-profit company is based in Bilthoven, Netherlands. Intravacc designs and creates the best candidate organisms for vaccine strain, looking for the highest immunity, potency, and production yield. The company substantially reduces the risks and costs involved with developing vaccines by bridging the gap between concept and late-stage clinical studies. Intravacc's upstream processing expertise covers both bacterial and cell cultivation as well as virus propagation in reactors ranging from 1l up to 200l. The company's scientists design, develop, and improve vaccine formulations that are suitable for the intended administration route and stable upon storage. | Biotechnology | Director/Board Member | |
Julius Clinical Research BV
 Julius Clinical Research BV Miscellaneous Commercial ServicesCommercial Services Julius Clinical Research BV is a scientifically focused CRO that provides end-to-end clinical trial services to pharmaceutical and biotechnology customers, governments, and academia. The private company is based in the Netherlands and was founded in 2008. Julius Clinical's renowned scientific leaders are at the forefront of their fields, which combine with operational excellence and a network of research sites to deliver tailor-made solutions for customers and their clinical trials. The Dutch company has approximately 200 employees and has supported over 130 clinical trials, enrolling more than 200,000 participants in around 40 countries. Julius Clinical has a focus on the therapeutic areas of neurology, renal, cardiometabolic, and infectious diseases. The company uses its unique triangle of science, networks, and operations to provide tailored CRO and SMO services. Martijn Wallert has been the CEO of the company since 2021. | Miscellaneous Commercial Services | Director/Board Member | |
Fugro (USA), Inc.
 Fugro (USA), Inc. Engineering & ConstructionIndustrial Services Fugro (USA), Inc. provides geo-intelligence and asset integrity solutions. The firm ROAMES asset simulation platform allows utilities to investigate and monitor the condition and performance of T&D network in a 3D virtual model, including vegetation and conductor clearances. It specializes in aerial imagery and LiDAR. The company is headquartered in Houston, TX. | Engineering & Construction | Director/Board Member Director/Board Member | |
Van Eeghen & Co. BV
 Van Eeghen & Co. BV Financial ConglomeratesFinance Van Eeghen & Co. BV is an investment company based in Amsterdam, Netherlands. The Dutch company operates as an investment firm. | Financial Conglomerates | Director/Board Member | |
Taurob GmbH
 Taurob GmbH Industrial MachineryProducer Manufacturing Taurob GmbH specializes in creating autonomous inspection robots for hazardous operational environments. The private company is based in Vienna, Austria and was founded in 2010 by Lukas Silberbauer and Matthias Biegl, who have been the CEOs since 2010. The Austrian company's flagship product, the Taurob Inspector, is designed to follow users on missions and provide proof of concept. | Industrial Machinery | Director/Board Member | |
Ernst & Young Participaties BV
 Ernst & Young Participaties BV Financial ConglomeratesFinance Ernst & Young Participaties BV provides financial management services. The company is headquartered in Rotterdam, the Netherlands. | Financial Conglomerates | Corporate Officer/Principal | |
Sweco Finland Oy
 Sweco Finland Oy Engineering & ConstructionIndustrial Services Part of Sweco AB, Sweco Finland Oy is a Finnish company that provides building engineering consultancy services. The private company is based in Helsinki, Finland. Thomas Hietto has been the CEO of the company since 2023. Sweco Finland was acquired by Sweco AB on February 01, 2012 for $85.85 million. | Engineering & Construction | Director/Board Member Chairman | |
| Stichting Administratiekantoor TKH Holding | Investment Trusts/Mutual Funds | Chairman Chairman |
Statistics
International
| Netherlands | 28 |
| Germany | 7 |
| United States | 5 |
| Sweden | 3 |
| France | 3 |
Sectoral
| Industrial Services | 11 |
| Consumer Services | 11 |
| Finance | 8 |
| Health Technology | 6 |
| Commercial Services | 6 |
Operational
| Director/Board Member | 192 |
| Chairman | 69 |
| Corporate Officer/Principal | 65 |
| Independent Dir/Board Member | 38 |
| Chief Executive Officer | 30 |
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