Joanna Peltzman

Joanna leads the Environment and Sustainable Transition practice of Osborne Clarke’s Paris office.

A qualified lawyer in French, European and international environmental law, she advises on a wide range of regulatory matters, including industrial installations, contaminated land, waste, chemicals and climate change. She supports a diverse French and international client base in both advisory and contentious matters, regularly acting before administrative, civil and criminal courts.

Joanna works closely with leading players in the healthcare, real estate, food and tech sectors with the structuring and securing of their operations, particularly in the context of M&A transactions and real estate deals. She advises at every stage — from environmental due diligence and negotiation of liability provisions to regulatory compliance and risk management — delivering a seamless, business-oriented approach that fully integrates sustainability and circular economy considerations..

Drawing on her deep expertise in highly regulated environments, Joanna delivers pragmatic, forward-looking solutions aligned with evolving regulatory frameworks. She also advises clients on ESG reporting and non-financial communication strategies, combining legal precision with strategic vision to help clients meet the challenges of the ecological transition with confidence.

"Joanna devotes a great deal of energy to meeting clients' needs. She shares contextual elements that go beyond the initial request to assist with decision-making. "

"Joanna Peltzman is an exceptional lawyer. She combines impeccable technical expertise in environmental law with an astute political reading, allowing her to anticipate regulatory developments."

"Joanna Peltzman's ability to handle complex cases, combining legal, technical and reputational issues, is remarkable."

Chambers France, 2026