Major PPP mandates remain a consistent feature of Mayer Brown’s work across the Americas, with the firm advising on transactions ranging from civil infrastructure expansion financings to design-build-finance-operate-maintain concessions for transportation projects, alongside energy sector mandates spanning bank and bond financings, grants, and tax equity investments. The infrastructure team is led from Chicago by Joseph Seliga, who advises on mass transit, social infrastructure, wastewater, and convention center infrastructure transactions. Houston-based energy head Robert Goldberg regularly advises on debt and equity financings, including tax equity, for renewable energy projects and portfolios, as well as project M&A and development matters. Energy co-head Elina Coss operates out of New York and focuses on the financing, development, acquisition, and disposition of renewable energy assets, including solar, wind, and geothermal projects. Further depth is provided by Chicago-based Stephanie Wagner, who brings extensive experience in complex government transactions, particularly within the infrastructure sector.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Mayer Brown’s practice stands out for its disciplined, multidisciplinary approach and its ability to deliver practical, commercially sound legal advice on complex matters.'
  • 'The firm draws on lawyers across practice areas and jurisdictions to assemble teams aligned to the scope and realities of each project, ensuring advice is informed by regulatory, operational, and business considerations.'
  • ‘Mayer Brown’s professionals combine deep legal knowledge, practical judgment, and strategic insight. They translate complex issues into actionable, client-focused solutions that reflect operational, regulatory, and commercial realities, often applying innovative approaches to achieve optimal outcomes.'
  • 'I have particularly valued their responsiveness, clarity, and collaborative mindset. They take the time to understand clients’ objectives, anticipate challenges, and deliver guidance that is both rigorous and implementable.'
  • ‘A great team of smart, personable, and responsive professionals. ’
  • ‘Great technical expertise and its ability to manage complex, cross‑border matters efficiently specially in the aviation sector. The team is well‑organised, reliable, and consistent.’
  • ‘Their knowledge of the industry and current transactions and deal structures. They work collaboratively and are focused on getting to yes.’

Key clients

  • SR 400 Peach Partners, LLP
  • Virgin Islands Port Authority
  • The Dow Chemical Company
  • University of Michigan
  • KPMG (Michigan Department of Transportation)
  • Gateway Development Commission
  • Morgan Stanley
  • ACS and Glydways
  • Queensland Investment Corporation (“QIC”)
  • Alabama Department of Transportation
  • JERA Nex Americas LLC
  • TC Energy Corporation
  • RWE Clean Energy, LLC
  • Longroad Energy Partners
  • Leeward Renewable Energy
  • General Motors
  • TransGrid Energy
  • Diamond Generating Corporation
  • Sunpin Solar
  • ACS Infrastructure Development Inc.

Work highlights

Represented the Gateway Development Commission (“GDC”) on its multi-billion dollar program to construct and rehabilitate rail infrastructure assets along the Northeast Corridor, including advising on all aspects of the construction procurement and financing.
Represented Morgan Stanley as lead underwriter on multiple tax-exempt and taxable financings, totalling approximately $7.5 billion, to support the development of Brightline Florida, a privately developed passenger rail network.
Represented affiliates of Longroad Energy Partners in securing a construction loan and letter of credit facility that converts to a term loan and a tax equity bridge loan for the financing of the 111 MW solar and 340 MWh energy storage Sun Pond Project in Maricopa County, Arizona.

Lawyers

Hall of Fame

The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Next Generation Partners

Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

Joseph Seliga; Robert Goldberg; Elina Coss

Other key lawyers

Stephanie Wagner