Thomson Reuters names eight Keystone Law partners in its Stand-out Lawyers Guide 2026
Andrea James, Andrew Darwin & Anna McKibbin
Denis is a corporate lawyer with over 30 years of experience. He specialises in cross-border private M&A transactions, strategic joint ventures, and business reorganisations. His work often involves complex, multi-jurisdictional deals requiring regulatory, finance, and sector-specific expertise.
Throughout his career, Denis has advised corporates, international banks, investment managers, and private investors across the UK, France, Germany, Russia, and the US. His sector experience spans energy, mining, telecoms, financial services, consumer goods, and, more recently, healthcare, pharmaceuticals, and technology, covering areas such as fintech, medtech, e-commerce, and online streaming.
Having been based in London, Moscow, and Paris, Denis has led numerous high-profile, multi-practice transactions.
Denis advises on industrials and manufacturing transactions, including acquisitions, divestitures, and strategic investments, supporting leading global companies such as UralChem, Uralkali, Glencore, and Volkswagen in complex cross-border deals.
Experience
Denis advises telecoms and technology clients on high-value transactions, including joint ventures, acquisitions, and strategic partnerships, supporting leading firms like Ant Financial, Sberbank, Rostelecom, MegaFon, and Otkritie.
Experience
Denis advises on life sciences clients on corporate transactions, including acquisitions and spin-offs, supporting leading companies such as Pharmstandard, Sanofi, and Lupin in the Russian pharmaceutical and generics markets.
Experience
Denis advises financial services clients on private M&A, foreign direct investments, and private equity, providing guidance in cross-border acquisitions, joint ventures, and strategic shareholder arrangements across Russia and Turkey.
Experience
Denis advises on food and beverage businesses on acquisitions, joint ventures, and strategic mergers, supporting leading companies such as PepsiCo, Nestlé, and Victoria Group in complex cross-border deals.
Experience
• Advised PepsiCo on the US$6bn acquisition of Wimm-Bill-Dann, a leading Russian food and beverage company.
• Advised Nestlé on its 50:50 joint venture (Froneri) with PAI to merge in certain jurisdictions Nestlé’s ice cream and frozen food business with R&R Ice Cream, the third-largest ice cream producer in Europe.
• Advised the selling shareholders on the US$680m sale of 100% of Victoria Group to Dixy Group, a direct competitor, in consideration for cash and shares of Dixy Group, and the resulting shareholders’ arrangements.
Denis advises on energy and natural resources transactions, including joint ventures, mergers, and demergers, supporting leading global companies such as Rosneft, BP, SUAL, Polyus Gold, and Evraz in complex cross-border deals.
Experience
Please note: The experience list above may include examples of work completed prior to joining Keystone Law.
Denis qualified as a registered foreign lawyer and advocate in Russia in 2001 before later becoming a solicitor. Prior to joining Keystone Law in 2025, he worked at the following firm: