Marta Maciaszczyk-Cierniak
Legal Operations Manager
Marta Maciaszczyk-Cierniak is responsible for full operational management of the firm and supports its strategic growth. She combines legal, business, and technology perspectives. Her experience and unique view make the firm work smoothly. She ensures high client service standards and builds long-term, trust-based relationships.
My Experience
She gained many years of experience in one of the largest law firms in Poland. She worked with key teams, including environmental law, public procurement, energy, and real estate. She supported them in projects. She helped build the environmental team from the start. She improved processes and introduced solutions to increase efficiency.
Education
- Spatial Planning, University of Łódź.
- Postgraduate Studies in Real Estate Management, University of Warsaw.
Languages
Polish (native), English, German
My publications
PFAS restrictions in the EU. When the bans apply and what producers need to do
PFAS restrictions in the European Union are no longer a distant prospect. Some bans already apply, further ones take effect in 2026, and hanging over ...
Publication Environmental protection
PFAS restrictions in the EU. When the bans apply and what producers need to doA New Era in Metal Packaging
Preparing Your Business for PFAS and BPA Restrictions The food packaging industry is at a crossroads. Upcom...
Publication Product law
A New Era in Metal PackagingPackaging Revolution: How to Prepare Your Business for the PPWR?
How to Prepare Your Business for the PPWR? A pivotal moment is approaching in the world of environmental re...
Publication Product law
Packaging Revolution: How to Prepare Your Business for the PPWR?Environmental Seminar
We are pleased to inform you that in November 2026 our traditional Environmental Seminar will take place. For many years, this event has served as ...
Training Environmental protection
Environmental SeminarBuilding supervision orders tree removal – does it have the authority to do so?
When an authority imposes an obligation without a legal basis, a business can find itself facing real risk of sanctions. This is precisely what happen...
Publication Environmental protection
Building supervision orders tree removal – does it have the authority to do so?Does a height limit always apply without exception? An example of a successful appeal
A refusal to grant a permit for the expansion of a facility does not always mean the end of a project. Often, the key lies in correctly interpreting t...
Publication Environmental protection
Does a height limit always apply without exception? An example of a successful appealCan a PV installation increase flood risk? An example of successfully challenging a refusal to approve
A negative opinion from Wody Polskie can effectively block an investment, particularly during a period of heightened administrative caution following ...
Publication Environmental protection
Can a PV installation increase flood risk? An example of successfully challenging a refusal to approveThe PFAS Limits: What Applies from 12 August
On 30 March 2026, the European Commission published its Guidance document and FAQ on the implementation of the Packaging and Packaging Waste Regulatio...
Publication Product law
The PFAS Limits: What Applies from 12 AugustSee all
Do you need legal support for an investment or product?
Contact me.
marta.maciaszczyk.cierniak@erslegal.com +48 691 627 147