Thomas Campione

Alireza Siadat is a Partner, Banking & Finance at Deloitte Legal, based in Frankfurt, a position he has held since February 2025. He leads the Deloitte Legal Blockchain, DLT and Crypto initiative within the DACHLi region, advising banks, financial institutions, FinTechs and SMEs on German and European regulatory law, with a focus on market entry, expansion, cooperations and strategic matters related to DLT, blockchain and crypto assets. He maintains a network with German and European regulatory authorities.

Siadat has worked as a lawyer in leading law firms since 2012, where he built advisory practices in blockchain and DLT. Prior to joining Deloitte Legal, he served as a partner at a law firm specialising in regulatory law in the financial sector. He is a founding and board member of INATBA, the Blockchain Association of the European Commission, and of the Luxembourg-based thinkBLOCKtank A.s.b.l. As of November 2025, he also serves on the board of Bundesblock, the German blockchain industry association. He holds advisory roles at tokenforge, a tokenisation platform for real-world assets, and at BFG Blockchain Founders Group AG. He is a co-editor of the Zeitschrift für das Recht der digitalen Wirtschaft (ZdiW), published by Wolters Kluwer, and has authored publications on the eWpG, MiCAR and related crypto law topics. He received the Client Choice Award in the Fintech category in the Lexology Index 2025. He is listed as an expert in Chambers, Legal500, Juve and WWL in banking, finance, Blockchain and DLT. He has also served as an expert in the German Bundestag on blockchain and crypto-related legislative initiatives. Siadat holds an M.J.I. qualification and speaks German, English and Farsi.

Julien Maldonato is a Partner at Deloitte France, where he leads the Strategy & Business Design practice for the financial services industry and has served as the firm's Digital Trust Leader. He advises banks, insurers and fintechs on organisational design and the application of emerging technologies, including artificial intelligence and blockchain, to financial services.

Maldonato joined Deloitte in 2006 to build its innovation and digital transformation consulting offering for financial institutions, and previously held the role of Partner for Innovation and Business Transformation. He is a frequent author and speaker on radical innovation, organisational resilience and digital trust.

Roy Ben-Hur is Managing Director, Risk & Financial Advisory at Deloitte & Touche LLP, where he serves as the Digital Assets Financial Services leader for Deloitte Advisory. He has worked as a consultant in the financial services industry for over 25 years, with experience leading large-scale integration programs across business, compliance, risk, regulatory, and technology transformation initiatives. His specialized knowledge covers US, Basel, and European Union regulatory frameworks, including Dodd-Frank Title VII, Foreign Banks Enhanced Prudential Standards, Basel 2.5 and III, Principles for Reporting and Data Aggregation, Solvency II, Regulation Systems Compliance and Integrity, and the Department of Labor fiduciary rule.

Ben-Hur's current focus centers on digital assets and their implications for financial services. He moderated a Deloitte dbriefs webcast on stablecoins, tokenized deposits, and programmable securities, covering regulatory direction, settlement efficiency, governance, and risk controls. He is a scheduled panelist at the 2026 Global Insurance Symposium in Des Moines, Iowa, where he will discuss stablecoin navigation. He has also published perspectives on the OCC's proposed rule implementing the GENIUS Act, examining its implications for stablecoin issuers across reserve management, redemption requirements, capital considerations, and operational liquidity. His certifications include CISSP from ISC2, ITIL (v.3) from the Office of Government Commerce, and Project Management Professional (PMP) from PMI. Deloitte also issued him an Industry Proficiency Advanced certification in Banking & Capital Markets in August 2018.

Vincent Martin is Managing Director, Cross-Border Tax M&A at Deloitte Luxembourg, a position he has held since September 2017. He joined Deloitte Luxembourg in October 2008 as a junior in the Cross-Border Tax M&A department, where he has remained throughout his career, progressing from Junior to Senior Manager before reaching his current role.

His work focuses on tax structuring for alternative asset managers, covering private equity and real estate clients across domestic and international mandates, including merger and acquisition transactions, global tax optimisation, and tax due diligence. He has a specific focus on the African market, both inbound and outbound. He has published analysis on VAT treatment of security tokens in the EU and on accounting for crypto assets in Luxembourg, co-authored with colleagues at Deloitte Luxembourg. Prior to joining Deloitte, he worked as a legal adviser at two French law firms: Cabinet Paul Denizot Avocats from January 2007 to September 2008, and SCP Baur & Associés from June to December 2006, where he handled agreement drafting, company structuring, and legal and tax advisory work. He holds a qualification in Tax Law with an additional specialisation in Business Administration, and completed further studies at IAE France in Paris between 2007 and 2008.