Carsten Kociok is a partner in the Technology, Financial Services and Data Privacy Practice in Berlin and Co-Head of Greenberg Traurig’s global Fintech Group. He advises national and international clients across all industries, including financial services, information technology, artificial intelligence, ecommerce, media, health care, telecoms, retail and real estate, on a wide variety of complex commercial and regulatory matters.
Carsten is a leading technology lawyer, ranked consistently in Band 1 for Fintech Legal in Germany since 2020. He has in-depth and wide-ranging experience in the areas of privacy and cybersecurity, payments law, financial services, e-money products, blockchain technology, and financial and banking regulation, as well as in artificial intelligence regulation - including compliance with the EU AI Act - and the integration of AI technologies into existing software systems.
Carsten regularly assists clients in licensing projects and audit proceedings with financial regulators and advises on the contractual and regulatory aspects of developing, implementing and operating financial technology products and transactions.
On the data privacy side, Carsten counsels clients on complex data-driven business models and regulatory matters, including on international data transfers, data privacy compliance, monetization of data, artificial intelligence, litigation, cybersecurity and data breach response.
Carsten regularly lectures and publishes on various FinTech and data privacy topics. Prior to joining the firm, Carsten worked at Olswang Germany for eight years and in the Capital Transaction Practice Group of an international law firm in New York.
Concentrations
•FinTech and financial services
•Data privacy and cybersecurity
•Innovation & Artificial Intelligence
•Technology transactions
•Digital investment and crypto assets
•Payment services and e-wallets
•Consumer credit and “buy-now-pay-later” products
•eCommerce and digitalization
Recognition & Leadership
Awards & Accolades
•Listed, The Legal 500 United States, Finance Fintech, 2025
•Listed, Chambers FinTech Legal, 2023-2026
•Listed, The Legal 500 EMEA Guide, 2022-2025
•Data Protection, 2022-2025
•Information Technology and Digitalisation, 2022-2025
•Fintech, 2023-2025
•Real Estate, 2025
•IT Transactions and Outsourcing, 2025
•Team Member, a U.S. News - Best Lawyers “Best Law Firms,” “Law Firm of the Year” in Information Technology Law, 2024
AV Preeminent®: The highest peer rating standard. This rating signifies a large number of the lawyer’s peers rank him
or her at the highest level of professional excellence for their legal knowledge, communication skills and ethical standards.
Distinguished: An excellent rating for a lawyer with some experience. This rating indicates the attorney is widely
respected by their peers for high professional achievement and ethical standards.
Notable: This rating indicates that the lawyer has been recognized by a large number of their peers for strong ethical standards.
