Diego de San Simón

(+34) 659 303 655



Partner at San Simón & Duch


Legal 500 – The Team of Luis de San Simón and Diego de San Simón is very responsive and can be contacted whenever for assistance, which is of utmost importance in the sector


Who’s Who Legal 2021 – “Global Leader” & “National Leader”

Legal 500 – “Rising Star”



Practising lawyer since 2008. He holds a Bachelor’s degree in Law, Bachelor’s degree in Business Management and Administration and Master’s degree in Human and Professional Leadership by the Universidad Francisco de Vitoria.

He also holds a Master’s degree in Shipping Business & Maritime Law (LLM) by Instituto Marítimo Español (IME) e ICADE Business School-Universidad Pontificia de Comillas, being number 1 of its promotion.


He joined San Simón & Duch in 2011 and works in Madrid’s office. He provides legal advice on maritime, transport and insurance Law both in contentious and non-contentious procedures.

He also provides advice to shipowners, charterers, P&I clubs, forwarding agents, importers and exporters, insurance companies, brokers, shipyards.

With wide experience in business law, he also provides legal advice on commercial and bankruptcy Law.

Lawyer of the Bar Association of Madrid, member of the Spanish Maritime Law Association, member of the International Association of Young Lawyers (AIJA) -current member of AIJA TLC Extended Commission-.

Teaching activity

Lecturer of the Master’s degree in Shipping Business & Maritime Law (LLM) at Instituto Marítimo Español (IME) e ICADE-Universidad Pontificia de Comillas.

Lecturer of the Master’s degree in Commercial International at UNIVERSIDAD CEU CARDENAL HERRERA de Valencia.

Lecturer of the Master’s in Shipping Law at Universidad dad on-line TECH EDUCATION, RIGHTS & TECHNOLOGIES.

Author of several articles and chapters.


Who´s Who Legal EMEA 2021 – “Glogal Leader”.

Who´s Who Legal Transport 2021 – “National Leader”

The LEGAL 500 EMEA 2021 – “Rising Star”.

Languages: Spanish, English

Get in touch

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  • (+34) 659 303 655
  • diego.sansimon@lsansimon.com