- ESM - European School of Management, Graduation, 2014. Prof. William Martin, BIU CEO, with Prof. M. Teresa Gonzalez de Echávarri, Director of ESM. Inauguration speech at the 2014 ESM Tenerife Graduation. Presentation of ESM Bachelor's & Masters final projects. A graduate receiving the Bircham International University degree after completion of the ESM program of study Group of graduates of the 2014 ESM Tenerife Graduation.