Amsterdam—Global law firm Dentons has fortified its Tax practice with the recruitment of partner Rezan Ökten as Head of Transfer Pricing in the Netherlands and Sebastian Frankenberg as Counsel and Head of Valuation Services in the Netherlands. Both joined the Amsterdam office on June 1, 2023.

“We are pleased to welcome Rezan and Sebastian to the Amsterdam office,” said Benelux Managing Officer Marien Glerum. “Their experience and impressive track records will support us in delivering seamless and strategic advice for our clients. Their recruitment is another important step for Dentons in building a market-leading Tax advisory practice in Benelux and across Europe.”

Rezan Ökten has built an excellent reputation as a leading transfer pricing lawyer. He advises clients on business restructurings, intellectual property, headquarter cost allocation models, financial transactions, valuations, dispute management and resolution. He has significant experience in advance pricing agreements, tax audits, mutual agreement procedures and court proceedings.

After starting his career at a Big Four firm, Rezan Ökten gained extensive experience as both an adviser and an in-house specialist. He headed the transfer pricing practice at a large law firm and also worked as a global in-house transfer pricing specialist at leading telecommunications and technology companies.

He is a fellow of the University of Amsterdam's Advanced LL.M. program in International Tax Law and teaches Transfer Pricing Masterclasses at the IBFD (International Bureau of Fiscal Documentation). He is the co-founder and co-director of the Amsterdam Centre for Transfer Pricing and Income Allocation, has authored a book and co-authored various transfer pricing books.

Sebastian Frankenberg specializes in economic (valuation) services for tax and transfer pricing purposes. Leveraging his extensive financial experience gained both in the finance and legal industry, he assists clients navigating through complex strategic and financial challenges. Sebastian performs in-depth tax/transfer pricing valuation services, ranging from equity and (intangible) asset valuations to value-based management and financial/tax modelling services. In addition, he focuses on economic and financial analyses relating to profit allocation issues, business restructurings, financing transactions, supply chain structuring and other transfer pricing matters.

Sebastian is a certified business valuator (RV) certified patent valuation analyst (CPVA) and a member of the Netherlands Institute for Business Valuators (NiRV). He is a teaching fellow at the University of Amsterdam, and a lecturer at IBFD and the Dutch Association of Tax Advisers (NOB).

Europe Co-head of Tax Jurjen Bevers said: “In today’s increasingly complex regulatory environment, transfer pricing has become one of the top tax priorities for multinational companies, many of which are headquartered in the Netherlands. Strengthening and expanding our excellent Tax practice in Amsterdam with transfer pricing and valuation expertise will benefit our global client base. Rezan is one of the best transfer pricing professionals in the industry. He combines academic rigor and knowledge of the evolving tax landscape with creativity, business acumen and a genuine interest in his clients. Sebastian’s broad experience across different industries and focus on valuation services is an invaluable addition to our full-service offering.”

Since entering the Dutch market six years ago, Dentons has more than doubled the size of its Amsterdam office in terms of both revenue and headcount. The Amsterdam office currently has 110 lawyers, civil-law notaries and tax specialists.

Dentons’ global Tax practice includes more than 300 lawyers and tax advisers worldwide, including more than 130 in Europe.

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