Ariel Yosefi
Partner
Ariel heads Herzog’s Technology Regulation Department.
Ariel is highly-regarded for his prominent practice and experience in advising international clients on global regulatory considerations involving fintech, crypto and blockchain; AML, payments and online trading; social and real-money gaming and gambling; privacy, data protection and cybersecurity; content, advertising and eMarketing; health and lifestyle technologies; artificial intelligence, computer and software protection; eCommerce and internet laws; mobile and other social media platforms compliance.
Ariel has thorough knowledge and diverse experience with the increasing volume of regulations, enforcement actions and legislative trends in a myriad of jurisdictions, digital platforms and leading self-regulatory guidelines. This enables him and his team to offer unique, practical and comprehensive solutions for complex situations and to assist in the development, implementation and management of adequate procedures, thereby mitigating legal and business risks.
“Ariel is a top professional. He is smart, sophisticated, has strong business understanding and he gives excellent advice.”
Chambers and Partners
“A lawyer you can count on”
The Legal 500
- Israel Bar Association, 2006
- Hebrew University, Jerusalem, Israel, LL.M, 2010
- Hebrew University, Jerusalem, Israel, LL.B, 2005
- The US Tightens Regulatory Requirements on Recurring Payments Programs
- AI Governance in California: Pioneering New Safety Standards
- Breaking Down the Latest Sweepstake and Social Casino Lawsuits and Enforcement in the United States and Australia
- Rhode Island Passes Data Privacy Act; Vermont Privacy Act Vetoed by Governor
- Herzog’s Comparative Guide on Key Rights in US States Privacy Laws – V3
- Minnesota is the 19th US State to Adopt Comprehensive Data Protection Legislation
- The Colorado AI Act: America’s First Comprehensive AI Law
- Vermont is the 18th US State to Adopt Comprehensive Data Protection Legislation
- Nebraska is the 17th US State to Adopt Comprehensive Data Protection Legislation
- Maryland is the 16th US State to Pass Comprehensive Consumer Privacy Legislation
- Kentucky is the 15th US State to Adopt Comprehensive Data Protection Legislation
- FinTech-Aviv Annual Summit 2024
- The EU Artificial Intelligence Act
- Apple Updates its Policies Concerning App Distribution and In-App Purchases
- Herzog’s Updated Comparative Guide on Key Rights in US States Privacy Laws
- New Hampshire is the 14th US State to Adopt Comprehensive Privacy Legislation
- European Data Protection Regulatory Board Issues Investigative Report on the Role of Data Protection Officers
- New Jersey is the 13th US State to Adopt Comprehensive Privacy Legislation
- FTC Enforces Against Rite Aid for its Use of Facial Recognition AI and for its Information Security Practices
- AI Technologies Event
- EU Legislatures Agree on the World’s First Comprehensive AI Regulation
- The European Parliament Adopted the Final Version of the Data Act
- US President Issued Executive Order on Safe, Secure, and Trustworthy Artificial Intelligence
- FinTech-Aviv Winter Event 2023- Cancelled
- The UK Enacts the Online Safety Act to Increase Obligations for Internet Platforms
- India Enacted its new Digital Personal Data Protection Act
- The European Commission Adopted EU-US Data Privacy Framework for Data Transfers
- The Federal Trade Commission Published its Updated Endorsement Guides
- Delaware’s Privacy Legislation Lands as the 12th Statewide Comprehensive Law
- Joining the League: Oregon Becomes the 11th State to Pass a Comprehensive Privacy Law
- Social Gaming Operators under Litigation Storm in the United States
- Texas to Become The 10th US State to Adopt Comprehensive Data Protection Law
- Tennessee and Montana are Joining the Privacy Legislation Trend
- MiCA Regulation | Herzog’s Guide to the new EU Crypto Regulatory Framework
- Indiana is the Next US State to Enact a Comprehensive Consumer Data Protection Act
- Navigating Through the New Privacy Regimes Under EU and US Laws – Herzog’s Contribution to the US-Israel Legal Review 2022
- Iowa Passes a Comprehensive Data Protection Law
- FINTECH WEEK TEL AVIV 2023
- FTC Issues Guidance on Marketing AI Products
- How to Comply with the EU Digital Services Regulatory Reform
- The EU Cookie Banner Taskforce Key Takeaways
- Herzog is a leading law firm in Israel
- The Annual Event for Successfully Navigating AI Startup Challenges
- First Requirement under the Digital Services Act for Online Platforms and Search Engines to Enter Into Force
- Staying Ahead of the Game: Massachusetts Implements Data Privacy and Security Standards for Gambling Industry
- The FCC Seeks to Update and Strengthen Rules Regarding Breach Notification
- Prepare for EU’s new Regulation on Cybersecurity and Operational Resilience in the Financial Sector
- The CJEU Provides Judgement on the Right of Access to Recipients of Personal Data under the GDPR
- The Irish Privacy Regulator Imposes a €390M Fine for Behavioral Advertising Practices
- The Council of the European Union Adopts a General Approach to the AI Act
- UK Regulator Publishes Guidance on the Use of AI
- The European Commission Publishes the Draft AI Liability Directive
- The CPRA v. the CCPA Playbook
- The European Commission Published the Cyber Resilience Act Official Draft
- California Legislature Passed the Age-Appropriate Design Code Act
- California Advances New Regulatory Framework for Crypto
- First Significant Enforcement Measure under CCPA Concludes with $1.2M Fine
- China Publishes Required Measures on Security Assessment for Data Exports
- EU Advances its Comprehensive Crypto Regulation
- Sovryn is selling tokens in the Sovryn network in exchange for $5 million in funds from VC firm General Catalyst and additional investors
- The Complete EU-US Data Protection Laws Playbook
- Navigating through the Legal and Practical Aspects of DAOs
- Connecticut is the Fifth US State to Enact a Comprehensive Privacy Law
- EU Agrees on the Digital Services Act to Regulate Internet Platforms
- DOJ Releases Guidance on Website Accessibility
- UK Regulators Continue Focus on Crypto Advertising
- EDPB Publishes Draft Guidelines on Dark Patterns in Social Media Platforms
- Utah Becomes the 4th US State to Enact a Comprehensive Data Protection Law
- Colorado’s Attorney General Issues Data Security Guidance and Remarks on Colorado’s Privacy Act
- The UK Information Commissioner’s Office Publishes Its Standard International Data Transfer Agreement
- Our client, D1 Capital Partners L.P. , has led a $550 million Series E funding round into Fireblocks
- FTC Publishes new Guidelines on Consumer Reviews and Initiates Anticipated Enforcement Actions
- EDPB Published Draft Guidelines on Data Subject Access Rights
- Global Regulatory Developments in the field of Crypto Advertising
- French Data Protection Regulator Publishes Guidance on Reuse of Personal Data by Processors
- FTC Enforces against Online Loan Broker over Misuse of Sensitive Personal Data
- Ad Platform Faces $2 Million Fine Over COPPA Violation
- Facial Recognition and Sensitive Data Scraping under Significant Enforcement Actions in the UK and Australia
- EDPB Publishes Guidelines on the Interplay Between Territorial Scope and International Transfer under the GDPR
- Crypto Regulatory Updates
- China’s New Data Protection Law Enters into Effect and Further Regulations are Expected
- FTC Puts More Than 700 Companies on Notice of Penalty Offenses for Endorsement Violations
- Technology is changing the way intellectual property and information assets are managed and maintained
- UK ASA Published Updated Guidance on Advertising In-Game Purchases
- Crypto Regulatory Updates
- Google Play Policy Updates Strive to Enhance User Transparency and Protection
- Google Introduces New Certification Requirements for Financial Services Advertisers
- European Commission Adopts UK Adequacy Decisions
- “Technology progresses faster than the law”
- Colorado Introduces New State Privacy Law
- European Commission Adopts New Set of Standard Contractual Clauses
- Crypto Regulatory Updates
- Partner Ariel Yosefi’s insights regarding the current crypto regulatory crossroads
- The European Commission Published Draft Regulation on Artificial Intelligence
- Important Google Play Policies Updates affecting Gambling and Gaming Apps, Loyalty Programs and Installed Apps Info
- Crypto Regulatory Updates – April 2021
- Spanish Data Protection Regulator Imposes Its Highest Fines
- Crypto Regulatory Updates March 2021
- Virginia Enacts a New Data Protection Law
- Crypto Regulatory Updates February 2021
- We were happy to contribute to The US-Israel Legal Review 2020
- The FTC Enforces Against Deceptive Practices in Mobile Advertising
- The FTC Enforces Against Inadequate Vetting of Third-party Vendors
- New Landmark Regulations for the European Digital Market
- New Privacy Requirements for Google Chrome Extensions
- New EU Guidelines Require Enhanced Transparency of Search Results Ranking
- US Federal Court Enforces Against Deceptive Advertising Practices
- European Parliament Endorses Collective Actions for Data Protection Violations
- Significant Regulatory Developments Regarding Data Transfers under the GDPR
- European Court of Justice Rules Pre-ticked Consent is Invalid
- Zoom is Obligated to Improve its Security Practices as Part of a Settlement
- California Approved a New Privacy Act
- UK Data Regulator Enforces in the Data Broking Sector
- FCA Prohibits Cryptoasset Derivatives and Exchange Traded Notes
- Draft Legislative Framework for Cryptocurrency in Europe
- Two New Guidelines by the EDPB: Targeting of Social Media Users and the Concepts of Controllers and Processors
- The California Legislature Extends the CCPA’s Employee and B2B Exemptions
- Brazil’s Data Protection Law is Effective Immediately
- NIST Outlines a Set of Principles for Explainable AI
- Draft Legislative Framework for Autonomous Vehicles in Israel
- The CCPA Regulations Have Been Approved and are Effective Immediately
- Google’s Recent Privacy Updates: Replacements to 3rd Party Cookies and Enhanced Ads Transparency
- New Regulatory Guidance in the UK on AI and Data Protection
- The European Data Protection Board has Adopted Guidelines on the Interplay between the PSD2 and the GDPR
- European Court of Justice Invalidates Privacy Shield but Re-approves Standard Contractual Clauses
- Google Play Policy Updates: Enhanced Clarity, Extended Timelines for Compliance, New Policies and Other Changes
- EGBA Published Code of Conduct on Data Protection in Online Gambling
- New Regulatory Guidance in the UK on Explaining AI-Based Decision-Making
- Final CCPA Regulations Submitted
- Changes to Chrome Extensions and Ads Policies
- EDPB Issues Updated Guidelines on Consent
- New Guidance on Scraping of Publicly Available Personal Data Published by French Privacy Regulator
- Is Consent Required for Direct Marketing under the GDPR?
- Updates to Google Play Policies on Trust, Control and Deceptive Content; Special Update for Covid-19
- The FTC Published Guidelines on Artificial Intelligence and Algorithms
- Data Protection in The Times of Coronavirus: Teleworking
- DoJ Releases Guide for Lawful Threat Intelligence Gathering
- California Attorney General Releases Third Draft of CCPA Regulations
- FTC Enforces against Advertiser and Influencers for Breaching Influence Marketing Practices
- Dark Web Deanonymizing Technologies
- Spanish Privacy Regulator Issues Guidance on AI-Based Data Processing
- California Attorney General Releases Updated CCPA Draft Regulations
- European Commission Published a White Paper on Artificial Intelligence Rules
- FTC Toughens Enforcement against Comparison Websites and Influence Marketers
- UK to Appoint New Internet Harms Regulator
- Google Plans to Phase out Third Party Cookies in Chrome
- The Bank of Israel Releases Draft Guidelines for Implementation of Open Banking Standards
- Washington State Introduces New Privacy Act Bill
- ICO Publishes its Age Appropriate Design Code
- New York City Automated-Decision Systems Task Force Issues its Report
- White House Proposes Guidance for Regulation of Artificial Intelligence in the Private Sector
- The world of Dark Web monitoring – An interview with SIXGILL Co-Founder Avi Kasztan
- ‘Villains and Vigilantes’ | Ariel Yosefi on Mapping the Dark Web | Part 1 of 2
- ‘Villains and Vigilantes’ | Ariel Yosefi on Citizens of the Dark Web | Part 2 of 2
- Client Update | Technology & Regulation | August 2019
- 05.03.19 | AI and Health: Just Be Patient
- Technology & Regulation Updates February 2019
- Technology and Regulation Updates January 2019
- Special Client Update | Technology and Regulation: DPIAs “Triggers” – Cheat Sheet
- Technology & Regulation Updates December 2018
- 2nd Annual Life Sciences Compliance Forum
- Technology & Regulation Updates November 2018
- Herzog’s Ariel Yosefi talks GDPR
- Court Determines: Start-ups permitted to gather user data from LinkedIn | Ariel Yosefi talks to The Marker
- ICLG Fintech Chapter | Partners Elad Wieder and Ariel Yosefi
- The Advertisers Following Women and Football Players – and the Companies Cheating Web Surfers | Adv. Ariel Yosefi to “The Marker”
- Anti-Abortion Activists in the USA Won’t Be Able to Track Mobile Phones of Those Attending Fertility Clinics | Adv. Ariel Yosefi to “The Marker”
- Herzog ranked Band 1 in Chambers Fintech Legal 2025
- Herzog Receives Top-Tier Ranking in Chambers Fintech Guide 2024
- Herzog is ranked Band 1 in Chambers FinTech 2023
- Herzog Fox & Neeman is Ranked by Chambers Global for 2022
- Herzog is Ranked Band 1 in Chambers FinTech 2022
- Herzog is Ranked in the GDR 100 2022
- Herzog Fox & Neeman is Ranked in the GDR 100 First Edition
- Band 1 in Chambers Fintech 2025
- Winner of the Client Choice Award 2025 in Data (Lexology Index)
- Lexology Index Global Elite Thought Leader in Data Privacy & Protection 2024
- Recommended in Lexology Index Fintech & Blockchain - Fintech 2024
- Recommended in Lexology Index Data Privacy & Protection 2024
- Recommended in Lexology Index Information Technology 2024
- Band 1 IT & Data Protection (Chambers Global 2024)
- Band 1 in Chambers FinTech 2024
- Recommended in Fintech 2023 (Who's Who Legal)
- Thought Leader in Data - Data Privacy & Protection 2023 (Who's Who Legal)
- Ranked in IT & Data Protection (Chambers Global 2023)
- Ranked in Chambers FinTech 2023
- Recommended in Data - Data Privacy & Protection 2023 (Who's Who Legal)
- Recommended in Fintech 2022 (Who's Who Legal)
- Thought Leader in Data - Data Privacy & Protection 2022 (Who's Who Legal)
- Ranked in IT & Data Protection (Chambers Global 2022)
- Recommended in Data - Data Privacy & Protection 2022 (Who's Who Legal)
- Ranked in Chambers FinTech 2022
- Recommended in Fintech 2021 (Who's Who Legal)
- Recommended in Data - Data Privacy & Protection 2021 (Who's Who Legal)