He is also a trusted advisor to entrepreneurs and growth companies, supporting their global expansion through innovation-driven strategies, strategic M&A, fundraising, and partnerships with blue-chip organizations.

Sebastien is recognized by Legal 500 and Leaders League for his work in private equity, venture capital, and M&A.

Weniger anzeigen

• Advising an investment fund on a £900m joint venture with a leading data center owner and operator for the development of a data center in Germany, for a total capacity of 38 MW*
• Advising a hyperscaler on the negotiation of a security package – including SANDS/Direct agreements, in relation to a syndicated facility for the development of a data center in Ireland, for a total capacity of 32 MW*

Data Centers – Corporate M&A/JVs/Development/Land Acquisition

• Advising H.I.G. Capital on a strategic data center joint venture in Europe
• Advising Tether on the sale of Northern Data
• Advising a leading data center owner and operator on the negotiation of a joint venture for the development of a 216 MW gas-fired power plant and a 200MW data center in the United States
• Advising a leading data center owner and operator on power purchase agreements (PPAs) and energy infrastructure developments in the United States
• Advising a New York-based asset management firm on the negotiation of a joint venture for the development of power generation and data center infrastructure in the United States
• Advising a power developer and energy as a service solutions (EaaS) provider on the negotiation of a joint venture for the development of power generation and data center infrastructure in the United States
• Advising a US listed company on a double data center sale and lease back transaction in France, set to deliver 400 MW of AI-compatible infrastructure*
• Advising a leading data center owner and operator on the M&A acquisition of a data center campus in the Netherlands*
• Advising a leading data center owner and operator on the acquisition of a real estate asset in Greece for the development of a data center campus*
• Advising a leading data center owner and operator:
  • on the acquisition of real estate assets and the development of a data center in Amsterdam*;
  • on the acquisition of real estate assets and the development of a data center in Milan*
• Advising a leading data a leading data center owner and operator on the development of a data center facility in Germany*
• Advising a leading real estate developer on the structuring of build-to-suit products across Europe*
• Advising a leading real estate developer on the structuring and development of their data center Joint Venture agreements across Europe*

Data Centers – Customer Agreements

• Advising Infravia’s/Iliad’s OpCore and TikTok on multiple large-scale Master Services Agreement negotiations for data center operations across Europe, with total contract values ranging from €400 million to €2.5 billion
• Advising a hyperscaler on a data center services agreement in Norway, for a total capacity of 260 MW*
• Advising a hyperscaler on a data center services agreement in Ireland*
• Advising a leading data center owner and operator on the commercialisation of data center services in France, Spain, and Italy, opposite a hyperscaler*
• Advising a leading data center owner and operator on the commercialisation of data center services in Sweden and Italy, opposite a hyperscaler*
• Advising a leading data center owner and operator on the commercialisation of data center services in Amsterdam, opposite a hyperscaler*
• Advising a leading data center owner and operator on the commercialisation of data center services in France, and the negotiation of carrier access contracts*
• Advising a leading data center owner and operator on the commercialisation of data center services in Belgium*
• Advising a leading data center owner and operator on the commercialisation of data center services in Europe*
• Advising a leading data center owner and operator on its standard contractual documentation including for the largest European Data Center Campus located near Paris, France*
• Advising a leading data center owner and operator on its standard contractual documentation*

*Matter handled prior to joining the firm.

Weniger anzeigen

As a Certified Compliance & Ethics Professional, Amy counsels clients proactively, helping them to enhance and leverage their compliance programs to support their businesses and maximize growth and revenue. She partners with her clients before an investigation or litigation to strengthen and operationalize their compliance programs, navigate complex legal frameworks and implement risk mitigation strategies.

In addition to her practice, Amy is dedicated to pro bono work. She previously led an initiative to provide pro bono resources to victims of human trafficking and has assisted nonprofit organizations with responding to law enforcement and litigation subpoenas.

Weniger anzeigen

• Advised a major e-commerce marketplace on its settlement with the DOJ and the US Drug Enforcement Agency (DEA) to resolve claims relating to the sale of devices and materials on a site that could be used to make illegal drugs*
• Represented a hospital system in a joint investigation by a US Attorney’s Office and the DEA relating to the handling of controlled substances*
• Conducted a comprehensive compliance review of a publicly traded, international healthcare technology company to assess the design, adequacy and effectiveness of its compliance program*
• Led an internal investigation and privileged physical security review for a publicly traded company in response to a workplace violence incident*
• Represented a national retail pharmacy chain in multiple False Claims Act and qui tam matters focusing on a variety of issues, including allegations of kickback payments, coordination of benefits issues, the submission of incorrect “usual and customary” prices to government payors and the dispensing of expired drugs*
• Served as counsel to a senior healthcare executive in connection with a grand jury investigation alleging violations of the Anti-Kickback Statute*
• Conducted multiple privileged compliance reviews to assess the effectiveness of company policies and procedures and internal controls at retail and hospital pharmacies*
• Represented a pharmaceutical and dietary supplement company in a criminal investigation by the US Attorney’s Office for the Northern District of Georgia and the US Food and Drug Administration*
• Conducted an internal investigation on behalf of a city municipality regarding allegations of a hostile work environment, employment discrimination and sexual harassment*

*Matter handled prior to joining the firm.

Weniger anzeigen

• Süd Beteiligungen beim Verkauf ihrer Anteile an der KKL-Gruppe an die Triton-Portfoliogesellschaft bluu unit
• die Aream Group bei der Gründung eines Joint Ventures mit der Eiffel Investment Group vertreten durch den Eiffel Transition Infrastructure Fund
• die Versicherungskammer bei der Beteiligung an Energieversorger MV Energie AG. Die Versicherungskammer erwarb in Zusammenarbeit mit dem Asset Manager Igneo Infrastructure Partners indirekt einen Anteil von 6,8 Prozent an der MVV Energie AG*
• LQ lnvest GmbH, Calzo Limited beim Verkauf von 75% der ausgegebenen Anteile an Renewable Oil Services an Muehlhan Wind Service A/S und beim Abschluss einer Gesellschaftervereinbarung*
• MEAG und die Ärzteversorgung Westfalen-Lippe (ÄWVL) bei der Gründung des Joint Ventures Open German Fiber für den Aufbau von Glasfasernetzen in Hessen und NRW zusammen mit Primevest Capital Partners als zusätzlichen Partner*
• die Octopus Energy Generation beim Erwerb des Windparks Biebelnheim-Gabsheim im Auftrag seines Sky-Fonds (ORl SCSp). Verkäufer des Gemeinschaftsprojekts sind die deutschen Entwickler erneuerbarer Energien JUWI und wiwi consult*
• den globalen Infrastrukturfondsmanager DIF Capital Partners beim Erwerb einer 51%igen Mehrheitsbeteiligung an der ib vogt GmbH im Auftrag seines Infrastrukturfonds VI. Verkäufer des in Berlin ansässigen Solar-PV-Entwicklers ist sein derzeitiger 100%iger Anteilseigner DVV*
• John Laing beim Erwerb der Glasfaserkabelanbieter Jobst-NET GmbH (Jobst-NET) und EFN eifel-net Internet-Provider GmbH (EFN eifel-net)*
• Green Investment Group bei der Entwicklung, Finanzierung und Veräußerung eines Biomasse-Heizkraftwerksprojekts*
• von Equistone Partners Europe (Equistone) beratene Fonds beim Verkauf ihrer Mehrheitsbeteiligung an der Eschenbach Holding GmbH (Eschenbach) an Inspecs Group plc (Inspecs)*
• DIF Capital Partners beim Erwerb eines Anteils an der europäischen Waggonvermietungsgesellschaft Touax Rail*
• Telxius bei der Übernahme der Sendemasten von Telefonica für 1,5 Mrd. EUR*
• Ingenieurversorgung Baden-Württemberg, die berufsständische Versorgungseinrichtung der Beratenden Ingenieure in Baden -Württemberg, bei der Beteiligung an einem Unternehmen im Bereich der erneuerbaren Energien*
• DIF und Aberdeen Standard Investments bei der Übernahme des Tankstellenbetreibers UNITANK*
• Macquarie Capital beim Erwerb eines Anteils von 49,9 % am Offshore-Windprojekt Baltic 2 vom deutschen Energieversorger EnBW*

* Mandate betreut vor dem Eintritt bei McDermott.

Weniger anzeigen

• Octopus Energy beim Erwerb von MN projects
• ImWind Gruppe bei der Entwicklung und Finanzierung eines großen Windparks in Hessen
• Aukera beim Erwerb eines Photovoltaik- und Batteriespeicher-Projekts in Rheinland-Pfalz
• Aream Group bei der Gründung eines Joint Ventures mit der Eiffel Investment Group vertreten durch den Eiffel Transition Infrastructure Fund
• DIF Capital Partners beim Erwerb einer Mehrheitsbeteiligung an der ib Vogt GmbH*
• Ecuaflor Holding bei der Veräußerung des deutschen Onshore-Windparkentwicklungsunternehmens DunoAir Windpark Planung an Qualitas Energy*
• Octopus Energy beim Erwerb eines 50%igen Anteils an dem Entwickler von erneuerbaren Energien Lintas Green GmbH*
• CommerzReal bei einer Entwicklungskooperation mit Elysium Solar für eine Reihe von Agrar-PV-Projekten und beim Erwerb eines ersten Agrar-PV-Projekts mit einer Größe von ca. 50 MWp*
• Haspa Green bei der Übernahme von zwei Windparks vom deutschen Entwickler UKA*
• Itochu/Citic Pacific beim Erwerb einer 25%igen Beteiligung am deutschen Offshore-Windpark Butendiek*
• Foresight Group bei der Übernahme eines Biogas-Portfolios von der deutschen Landwirtschaftsgruppe Lindhorst*
• Green Investment Group (GIG) beim Erwerb, der Weiterentwicklung und dem späteren Verkauf einer großen Biomasse-KWK-Anlage an Pearl Infrastructure*
• Vulcan Energy bei der Übernahme eines geothermischen Kraftwerks zur Produktion von grünem Lithium von der Pfalzwerke AG*
• Telxius bei der Übernahme von Mobilfunktürmen von Telefónica im Wert von 1,5 Mrd. EUR*
• DIF Capital Partners und Aberdeen Standard Investments bei der gemeinsamen Übernahme des Tanklagerbetreibers UNITANK*
• Darlehensgeber von Vinci Concessions bei der Ausschreibung für „Deutschlandnetz Regional“, dem Aufbau einer Schnellladeinfrastruktur für Elektroautos entlang deutscher Bundesstraßen*

* Mandate betreut vor dem Eintritt bei McDermott.

Weniger anzeigen

• Chambers Europe, Band 4 in Deutschland: Energy: Transactional, 2025-2026
• JUVE Handbuch Wirtschaftskanzleien, „Führender Name“: Transaktionen und Finanzierungen für erneuerbare Energien, 2024-2026
• JUVE Handbuch Wirtschaftskanzleien, Empfohlen: Energiewirtschaftsrecht: Energiesektor: Deals / Finanzierung / Projekte und Regulierung sowie Private Equity und Venture Capital: Private-Equity-Transaktionen, 2023-2026
• Chambers Europe, Deutschland: „Maximilian Uibeleisen ist in allen Bereichen sehr stark und zudem sehr angenehm in der Zusammenarbeit.“; „Maximilian Uibeleisen verfügt über einen enormen Erfahrungsschatz, seine Sorgfalt macht seine Arbeitsprodukte präzise und er versteht es, die juristische Sprache für die Mandanten verständlich zu übersetzen.“; „Er ist ein sehr starker und zuverlässiger Partner.“, 2023-2024
• JUVE, „Einer der 10 führenden Anwälte“: transaktionsbezogene energierechtliche Beratung, 2024
• Who’s Who Legal, „Thought-Leader“ in Deutschland: Energierecht

Weniger anzeigen

In her wide-ranging anti-corruption compliance practice, Kelly frequently advises clients on anti-corruption compliance matters, including internal investigations, US and international government investigations, mergers and acquisitions, and joint venture due diligence, risk assessments, internal controls and compliance program enhancements. She is also well versed in navigating FCPA monitorships, having both served on a monitorship team and represented a multinational company under the review of an independent compliance monitor.

As one area of her global practice, Kelly handles anti-corruption compliance, extractive industry transparency, illegal detention and transitional justice matters throughout several African jurisdictions.

Kelly is actively committed to advancing diversity and inclusion initiatives in the legal profession. Prior to her legal career, she was a fundraising and management consultant for faith-based and nonprofit organizations.

Weniger anzeigen

• Conducted pre- and post-acquisition anti-corruption due diligence for multiple oil field services companies*
• Conducted post-acquisition due diligence for a major cruise line in Europe*
• Represented a multinational oil and gas company in a DOJ and SEC investigation alleging FCPA violations in Africa*
• Represented a multinational engineering company in a DOJ and SEC investigation alleging FCPA violations in Africa and Asia*
• Conducted an internal investigation into allegations of FCPA violations for a multinational oil and gas company in Asia*
• Conducted an internal investigation into allegations of commercial bribery, conflicts of interest and kickbacks between executives at a multinational company*
• Represented a former banking executive in a DOJ and SEC investigation into a bank’s hiring practices in Asia*

*Matter handled prior to joining the firm.

Weniger anzeigen

In addition to handling a broad range of anti-corruption matters, Caitlin regularly works with companies to develop, implement and enhance their corporate compliance programs. She advises clients on creating policies and procedures, improving training programs, and implementing best practices related to third-party management and internal controls. Caitlin also has experience navigating FCPA monitorships, having represented a multinational company under the review of an independent compliance monitor.

Caitlin’s practice also involves conducting internal investigations; representing clients in matters before the US Department of Justice (DOJ), the US Securities and Exchange Commission (SEC) and multilateral development banks; and performing anti-corruption due diligence.

Caitlin is committed to pro bono work and has defended a political protestor in a high-profile jury trial, represented a domestic violence victim in a Hague Convention matter and worked on behalf of human trafficking victims.

Weniger anzeigen

• Represented an international pharmaceutical company in sanctions proceedings brought by the World Bank*
• Represented individuals in the oil and gas industry in DOJ-led FCPA investigations in Africa and South America*
• Represented an individual in the security technology industry in an anti-corruption investigation by the SEC*
• Conducted pre-acquisition anti-corruption due diligence on behalf of a private equity firm operating in the Middle East*
• Developed anti-corruption policies and procedures for clients in the medical device, financial services, technology and aerospace industries*

*Matter handled prior to joining McDermott.

Weniger anzeigen

Weniger anzeigen