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Our team


Aitor Arteaga

Founder and Managing Partner

Aitor is a Lawyer with a MS Degree in Legal Consultancy and Tax Advisory. 10 years of experience in legal advisory firms.

Core competences: Head of M&A processes.

Aitor acts as Consulting Lawyer and Secretary in several Boards of Directors.

Ernesto Gabilondo

Senior Advisor

Ernesto has a degree in Engineering from TECNUN and an MBA from IESE.

 He has held positions of responsibility in industrial multinationals and in family business. He founded and managed his own engineering and trading company for more than 20 years.

 Specialized and experienced in the design and implementation of business strategy and business plans, he has experience in the management of high performance teams.

Lander Botello

Founder and Managing Partner

Lander is a Lawyer with a degree in Law from the EHU/UPV University, and MSB from Deusto University.

Experience in Multinationals of the Energy Sector and Legal Advisory firms.

Core competences: International Agreements.

In litigation, deep experience in Civil Law, Commercial Law, Bankruptcy, and Criminal Law.

Iñigo González Gaytán de Ayala


Iñigo brings nearly 20 years of experience in strategic consulting, financial advisory and M&A in various sectors, leading projects and corporate transactions with companies ranging from multinationals and family-owned companies to private equity and family offices.

He is a graduate in Humanities and Business from the University of Deusto and holds an M.B.A. from ICADE.

He worked at EY in Madrid as Team Leader of Transaction Advisory Services, specialist for Spain in the commercial and strategic due diligence practice and later at Norgestion, in the area of corporate transactions and consulting. For the six years prior to joining BAUM he has been a Professional Partner at CREA Inversión, contributing to the growth of the firm in the northern area, acting as an advisor in multiple corporate transactions and in financial and strategic advisory projects.