Johannes Laxafoss

Overview

Johannes Laxafoss is a Principal in Ryan’s Tax Technology practice, based in the Firm’s Copenhagen office. With more than 20 years of international tax experience, including a decade working abroad, he advises multinational organizations on complex tax technology transformation, digital tax operations, and indirect tax strategy. Johannes specializes in helping companies build scalable, future-ready tax functions by integrating technology, automation, and governance frameworks into enterprise-wide tax operations.

Johannes brings extensive leadership experience across in-house, consulting, and global advisory environments, combining deep technical tax expertise with practical operational insight. He has led large-scale SAP S/4HANA tax transformations, global compliance modernization initiatives, and enterprise tax technology programs spanning more than 100 jurisdictions. Known for his forward-looking approach to digital tax operations, Johannes has pioneered solutions involving enterprise resource planning (ERP) tax engines, AI-driven reporting frameworks, tax data analytics, and e-reporting systems. He is recognized as a leading voice in the evolution of tax technology and has contributed to industry discussions on digital transformation, indirect tax modernization, and the impact of emerging technologies on global tax compliance. By combining technical rigor with practical execution, Johannes helps organizations reduce risk, optimize tax performance, and create sustainable, technology-enabled tax functions.

Education and Qualifications

Master of Laws (LL.M.), University of Copenhagen

LL.M. in VAT and Indirect Taxes, University of Aarhus

Taxation Studies, Copenhagen Business School

Bachelor of Laws, University of Copenhagen

Registered Tax Professional and International Indirect Tax Specialist

Experience and Achievements

Principal, Tax Technology and Transformation, Ryan, Copenhagen office

• Leads tax technology and transformation initiatives across the Nordic region

• Advises multinational organizations on digital tax operations, ERP integration, and compliance modernization

• Supports development of scalable, technology-enabled tax functions

Global Head of Indirect Tax and Tax Technology, Genmab, Denmark

• Led end-to-end SAP S/4HANA tax transformation and global indirect tax modernization initiatives

• Delivered significant cash savings through indirect tax optimization, customs planning, and automation strategies

• Managed indirect tax and tax technology aspects of major global acquisitions and integrations

Partner, Tax and Legal, Deloitte, Copenhagen

• Led tax technology initiatives across all tax disciplines in Denmark

• Advised multinational clients on SAP, Oracle, tax engine implementation, data analytics, and digital tax controls

• Served as Deloitte’s public tax leader advising Danish tax authorities on e-reporting framework design

Global Tax Leader, Principal, TMF Group

• Built and led a global tax compliance and consultancy service line

• Integrated global teams, technology platforms, and governance structures across international operations

Tax Director, Ryan, Dublin office

• Designed and led the Global VAT/GST Compliance service line

• Established and managed Irish and India-based operational teams supporting global delivery

Head of Indirect Tax, Vice President, CIT, Dublin, Ireland

• Held global responsibility for indirect tax advisory, compliance, and reporting functions

• Implemented global VAT/GST and transfer pricing structures and SOX-compliant tax controls

Senior Indirect Tax Manager, Meridian International VAT Consulting, Dublin, Ireland

• Led ERP-focused indirect tax optimization and compliance engagements

• Delivered multinational VAT advisory and reporting solutions supported by proprietary tax technology

Indirect Tax Manager, Ernst & Young, Copenhagen

• Led Danish Tax Tribunal cases involving complex indirect tax disputes

• Supported tax due diligence and transaction advisory engagements

Tax Consultant, PricewaterhouseCoopers, Copenhagen

• Advised clients across multiple tax disciplines and customs matters

Queen’s Royal Guards/Army Representative, Danish Ministry of Defense

• Represented Danish conscripts before senior military and government leadership

• Participated in legislative review initiatives involving the Danish Military Penal Code