Jan-Willem is a partner with Loyens & Loeff and has over 20 years of experience in M&A transactions and projects. He specializes in national and international mergers and acquisitions, joint ventures, participations, restructuring and corporate advice with a strong focus on energy and infrastructure transactions. He advises both strategic parties as well as financial parties such as infrastructure funds and private equity firms. Jan-Willem is co-chairs the firm’s Energy & Infrastructure team.

He has advised on the acquisition of a Refinery, the acquisition of gas & coal fired powerstations, various sales of onshore wind portfolios, structuring and advising consortia in relation to offshore wind projects, various buy and sale mandates on solar transactions and also has been involved in most of the recent E&P transactions in the Netherlands.

Sectors & Markets

Work highlights

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Memberships

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International Bar Association (member European Forum), 2010
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American Bar Association (subcommittee co-chair), 2010
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Association of International Petroleum Negotiators (chair of the Dutch chapter), 2010
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Dutch Bar Association, 2000
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Qualifications

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Columbia University Program in American Law, 2002
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Dutch civil law, Erasmus University Rotterdam, 1999

What others say

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"He comes in at the right time with a steady hand."
Chambers & Partners - Europe (2023)
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"He is one of the most pragmatic lawyers I have worked with and has a really commercial mindset."
Chambers & Partners - Europe (2023)
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Jan-Willem van Rooij is Band 2 ranked for Energy & Natural Resources: Transactional
Chambers & Partners - Europe (2023)
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Jan-Willem van Rooij is recognised as Recommended in Energy - Power/Electricity
Who's Who Legal - (2023)
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Jan-Willem van Rooij is recognised as Recommended in Energy - Renewables
Who's Who Legal - (2023)
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Jan-Willem van Rooij named "Practice head" in Energy: Transactional
Legal 500 - EMEA (2023)
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Jan-Willem van Rooij is recognised as Recommended in Energy - Oil & Gas
Who's Who Legal - (2023)
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Jan-Willem van Rooij named "Practice head" in Energy: Regulatory
Legal 500 - EMEA (2023)
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Jan-Willem van Rooij is Band 2 ranked for Energy & Natural Resources: Transactional
Chambers & Partners - Europe (2022)
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"A strong position in the oil and gas sector."
Chambers & Partners - Europe (2022)
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‘L&L had a three people core team on this transaction and brought in the necessary experts whenever we needed them. Jan-Willem van Rooij as partner of the firm was always involved personally and was totally aware of details. And found solutions for complex issues.’
Legal 500 - EMEA (2022)
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‘Jan-Willem van Rooij is great at team leading and has excellent commercial awareness and client management skills.‘
Legal 500 - EMEA (2022)
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‘Jan-Willem van Rooij is balanced, a good listener, knowledgeable, sharp and engaged.‘
Legal 500 - EMEA (2022)
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Jan-Willem Van Rooij acts for multinational oil and natural gas companies on transactions and energy projects. He is praised by clients for his attentiveness, one calling him "dedicated, available and knowledgeable."
Chambers & Partners - Europe (2021)
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Jan-Willem Van Rooij is regarded by an interviewee as "very sharp, good in negotiations and to the point," whilst another interviewee singles out his communication skills: "He's always friendly and honest, has good judgement and goes the extra mile as required." He handles a range of commercial matters, including joint ventures, investments and share transactions.
Chambers & Partners - Europe (2020)
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"Jan-Willem Van Rooij is described by interviewees as an 'exceptional deal coordinator and adviser'."
Chambers & Partners - Europe (2019)
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"Jan-Willem van Rooij, who ‘always remains composed and bridges differences between opposing parties’, advised DIF on the sale of DIF Infrastructure II’s assets to APG Asset Management."
Legal 500 - EMEA (2018)
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"The ‘calm, hands-on’ Jan-Willem van Rooij heads Loyens & Loeff’s ‘top-notch’ department."
Legal 500 - EMEA (2018)
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Jan-Willem van Rooij

Partner - Attorney at Law

jan.willem.van.rooij@loyensloeff.com

Rotterdam, Amsterdam

Dutch, English

Person image

Jan-Willem van Rooij, attorney at law, is a senior partner and chairman of the Energy & Infrastructure practice group in our offices in the Netherlands. With over 20 years’ experience in energy M&A, he is recognised as a leading expert in the energy and infrastructure transactional sector.

Jan-Willem is a partner with Loyens & Loeff and has over 20 years of experience in M&A transactions and projects. He specializes in national and international mergers and acquisitions, joint ventures, participations, restructuring and corporate advice with a strong focus on energy and infrastructure transactions. He advises both strategic parties as well as financial parties such as infrastructure funds and private equity firms. Jan-Willem is co-chairs the firm’s Energy & Infrastructure team.

He has advised on the acquisition of a Refinery, the acquisition of gas & coal fired powerstations, various sales of onshore wind portfolios, structuring and advising consortia in relation to offshore wind projects, various buy and sale mandates on solar transactions and also has been involved in most of the recent E&P transactions in the Netherlands.