Cuatrecasas hires Sonia Díaz as new tax partner

Cuatrecasas has hired Sonia Díaz, former director general of the Valencian Tax Agency, as a new partner. With a long career and proven expertise in tax law and management, she will contribute significant value to the highly specialized legal advisory services developed by the firm.

Ignacio Costa, supervising partner of the Tax Practice, confirmed this, saying, “By hiring Sonia we reaffirm our unswerving commitment to excellence and impactful talent, and our strategic focus on high-value advisory services based on specialization.”

Sonia Díaz

She holds Bachelor’s degrees with honors in law and economics from the University of Valencia—where she received the outstanding graduating student award—and gained first place in the public competitive examination for the Tax Inspectorate of the Regional Government of Valencia in 2001.

Director general of the Valencian Tax Agency since 2019, she has held important positions in the Department of Finance and Economic Policy, including deputy director of taxes, and head of tax management for the Valencian regional services. She has also directed and coordinated various boards and commissions, such as the tax reform study commission for the autonomous region of Valencia, and the Executive Council of the Regional Government of Valencia in 2001.

In addition, she has combined her career with lecturing and speaking at courses and Bachelor and Master programs at several universities and higher education centers, including the Valencia Catholic University (UCV), the European University of Valencia (UEV) and the University of Valencia.

Supervising partner for the Valencia and Alicante Group, Francisco Picó, highlighted, “It is enriching for us to have someone like Sonia on the team and we very much look forward to combining all her experience and skills with the Cuatrecasas leadership in our Tax and Family Business Practices in the Valencia and Alicante region.”