Juan Jesús Valderas

Juan Valderas is a Managing Director and the leader of Alvarez & Marsal’s Disputes and Investigations practice in Spain. He brings more than 32 years of accounting experience, and more than 27 years of specialist experience in financial investigations and disputes, serving in both advisory and expert witness-related roles.

As a full-time forensic practitioner for more than 27 years, Mr. Valderas’ experience includes national and international investigations into fraud, corruption, accounting manipulation, money laundering and other regulatory investigations. He acts as an independent expert in litigation before both national and international judiciary and arbitration courts (damages, loss of profit, commercial disputes, acquisition price adjustments, unfair competition, investment arbitration, etc.), expert determination engagements (accounting matters and quantifying damages) as well as insolvency related assignments (advisory, court-appointed administrator).

Mr. Valderas has worked across Europe and Latin America for lawyers, regulators, and public and private sector clients across a range of industries including construction, energy utilities, infrastructures, retail, shipping, automotive, advertising, manufacturing, telecoms, financial services, and professional services.

Mr. Valderas has provided evidence in court in more than 200 cases, including numerous cross-interrogations and “hot-tubbing” and has acted as both party and court appointed expert in front of the main International Arbitration institutions, such as ICC, ICSID, AMCHAM, LCIA, CCAP, LMAA, CIIAM, CIMA, CAM, and ad hoc arbitration. He also brings extensive experience handling and reviewing large volumes of electronic data, using advanced forensic computing and data analytical techniques. Mr. Valderas is perceived in the Spanish market and internationally as a leading forensic practitioner and, over the years, he has been interviewed, quoted and led some publications that included thought leadership pieces by Juan himself.

Mr. Valderas commenced his professional career in auditing at KPMG before joining the London forensic department and was key to setting up the firm’s forensic department in Spain. In 2003, he joined Deloitte in Spain, where he built and led its forensic department for twelve years and was also appointed as Deloitte’s forensic leader for Europe, the Middle East and Africa from 2012 to 2015. Between 2015 and 2018, he led FTI’s forensic practice in Spain

Certified Auditor (ICJCE)

Certified Fraud examiner (CFE)

Chair of the Independent Experts working Group at the CIIAM (Madrid International Iberoamerican Center of Arbitration)

ICADE (Comillas University in Madrid

Bachelors, Economics and Law