Swiss Sustainability Reporting Excellence Awards 2025

Thomas Berndt is the Director of the Institute for Law and Economics at the University of St. Gallen (ILE-HSG). As part of university and extra-university education and training, he teaches and researches in various areas of corporate sustainability reporting. Moreover, he supports international companies in preparing sustainability reports in accordance with the European Sustainability Reporting Standards (ESRS).

Andreas Weyer is a research associate and PhD candidate at the Institute for Law and Economics at the University of St. Gallen (ILE-HSG). As part of his academic activity, he has published numerous articles on accounting, auditing, and sustainability reporting, including articles in the "Zeitschrift für Internationale Rechnungslegung" (IRZ), the "Zeitschrift für Corporate Governance" (ZCG), the journal "Betriebs-Berater", and the "Center for Corporate Reporting" (CCR).

Alexander Sigg is a research associate and PhD candidate at the Institute for Law and Economics at the University of St. Gallen (ILE-HSG). As part of his academic activity, he has published numerous articles on accounting, auditing and sustainability reporting, including articles in the “Expert Focus” and the “European Business Tax Forum”.

Christophe Bourgoin is leading PwC Switzerland's Sustainability Platform and has more than 20 years of experience in providing capital market and deals related support, accounting technical advice and business assurance to large clients across Europe and the United States. He has successfully led and managed European cross-border equity and debt offerings, post-acquisition and accounting advisory projects for private equity firms and publicly listed groups, strictly adhering to set timelines, needs and reporting requirements.

Astrid Offenhammer is a Director in PwC's Sustainability & Strategic Regulatory Services Team. With a background in management and law, she provides strategic guidance to private and public sector clients across Switzerland and Europe, navigating the complexities of sustainability regulations. She specializes in sustainability reporting and due diligence, bringing profound experience across multiple industries in assessing and implementing the regulatory requirements of Swiss, EU, and international frameworks.

In her role as Assurance Partner, Petra Schwick has over 20 years of experience in auditing local and multinational companies in different industries. As the ESG Assurance market leader for our industry clients in the Eastern part of Switzerland she and her team support our audit clients on their way to become CSRD assurance ready or to comply with the continuously evolving Swiss regulation covering non-financial reporting. 

Philipp Thaler is a Senior Manager in PwC's Sustainability and Climate Change (S&CC) team. There, he has the lead on sustainability reporting with a focus on Swiss and EU sustainability regulations as well as international non-financial reporting frameworks. He serves clients from a variety of sectors and industries (including manufacturing, energy, IT, financial services, food and retail), mainly on preparing them for non-financial reporting under the EU’s Corporate Sustainability Reporting Directive (CSRD) and the Swiss counterproposal to the Responsible Business Initiative (RBI).