Désirée A. Schreyer, LL.M.

Counsel

Désirée advises corporations, financial institutions and senior executives on complex, cross-border investigations and disputes. Her expertise is shaped by experience gained in leading international law firms, a global professional services environment and senior roles within highly regulated financial institutions. She combines deep knowledge of white-collar crime and regulatory frameworks with a strong command of AI-enabled investigative technologies. Désirée routinely deploys advanced data analytics, technology-assisted review and eDiscovery to lead investigations in a smart, lean and fast way thereby transforming complex and voluminous datasets into clear, defensible and actionable insights. Her practice spans internal and regulatory investigations, fraud detection and prevention, enforcement proceedings, litigations, international arbitration and strategic dispute management.

Professional Experience

  • Counsel with Nater Dallafior Rechtsanwälte AG (since 2026)

  • Senior Manager / Investigation Expert at Ernst & Young AG (2021-2025)

  • Director / Head Injunctions at the Global Litigation Department, UBS AG (2019-2021)

  • Senior Associate at Bär & Karrer AG (2013-2019)

  • Admitted to the bar (2013)

  • Law Clerk White-Collar Crime Division District Court, Zurich (2011-2013)

  • Law Clerk at Public Prosecution Office and Regional Court, Bern (2011)

  • Junior Associate at Schwegler, Fasel & Partner Law Firm, Bern (2009-2010)

Education

  • Diploma of Advanced Studies: Postgraduate studies at the Executive School of Management, University of St. Gallen (2022)

  • Postgraduate studies (LL.M.) at the University of New South Wales, Sydney (2017)

  • Bachelor and Masters in Law, University of Bern (2010)

Recent Cases

  • Representing a highway bridge manufacturer a concrete-producing corporation at the International Court of Arbitration (ICC).

  • Leading the eDiscovery part of a high-stake family arbitration at the London Court of International Arbitration (LCIA) involving four well known international law firms.

  • Leading various cross-border investigations representing banks and insurances before FINMA, the UK Financial Conduct Authority (FCA), and the Liechtenstein Supervisory Authority (FMA), and in courts.

  • Heading various tax evasion investigations, for example for banks pleading and negotiating in the U.S. Department of Justice in Washington D.C.

  • Leading investigations based on whistleblowings concerning behavioral topics, such as related to discrimination, harassment, inappropriate statements.

  • Leading a life insurance investigation for a world wide leading insurance company.

  • Leading expense fraud investigations for Swiss and global acting companies.

  • Leading numerous covid credit fraud investigations.

  • Leading an insider trading investigation for a global acting bank.

  • Defending banks and insurances in financial crime concern matters.

  • Advising European focused companies on whistleblowing frameworks.

  • Advising a global acting re-insurance on their fraud detection measures and compliance frameworks.

  • Defending banks in FINMA enforcement proceedings regarding anti money laundering compliance and sanctions compliance.

  • Representing and advised a global acting insurance company on an insolvency dispute in Switzerland.

Publications & Speaking Engagements

  • In the Crosshairs of Sanctions: What to Expect and How to Prepare in Recht Relevant, 2/2025, p. 16 ff.

  • Artificial Intelligence in Investigations: What is possible and who sets the rules in the AI-powered fight against economic crime, in Recht relevant, 2/2024, p. 5 ff. (with Adrian Ott)

  • Greenwashing Investigations: Unmasking Deceptive ESG Practices, in Recht relevant, 4/2023, p. 5 ff. (with Dr. Michael Faske)

  • Third Party Risk Management: Prevention Instead of Regret: Considering Third-Party Compliance Risks in Mergers and Acquisitions of Companies, in Recht Relevant, 3/2022, p. 8 ff. (with Dr. Michael Faske)

  • Investigations 2.0: Technology as the Force Multiplier, Smarter, Leaner, Faster: How Smart Technology is Redefining Scale, Speed, and Modern Investigations, at Neue Zürcher Compliance Konferenz, 22 January 2026, Zurich (2026)

  • Sanctions controls and their articulation with Anti-Money-Laundering controls, 5 November 2024, Zurich (with Mita Jha)

  • Operational aspects of sanctions compliance implementation at Swiss banks, 8 November 2023, Geneva (with Mita Jha)

  • Know Your Client bank file remediation and data quality: Objectives and the methods of KYC remediation, including the special challenges following online account openings, the legal requirements and the role of data quality, 1 December 2022, Zurich (with Dr. Madan Sathe)

  • Identification of the Ultimate Beneficial Owner during the Life of a Banking Relationship: The triggering factors and the scope of verifications in the course of the relationship, 2 December 2021, Zurich (with Dr. Madan Sathe)

  • Practical requirements of the revised AMLA (art. 4): Methods and Documentation of the identification of the Ultimate Beneficial Owner, 2 December 2021, Zurich (with Dr. Michael Faske)