Person ? H. Speciael
- From 1927-01-01 to 1933-12-31, Administrateur of SOCIÉTÉ INTERNATIONALE D'ENERGIE HYDRO-ELECTRIQUE (SIDRO)
- From 1933-01-01 to 1933-12-31, Administrateur of MEXICO TRAMWAYS COMPANY
- From 1933-01-01 to 1933-12-31, Administrateur of COMPAGNIE BARCELONAISE DE TRACTION (The Barcelona Traction, Light and Power Co Ld.)
- From 1940-01-01 to 1948-12-31, Administrateur of CIE GLE DE TRAMWAYS DE BUENOS-AYRES
- From 1940-01-01 to 1948-12-31, Administrateur Délégué of SOCIÉTÉ INTERNATIONALE D'ENERGIE HYDRO-ELECTRIQUE (SIDRO)
- From 1940-01-01 to 1953-12-31, Président of COMPAGNIE BARCELONAISE DE TRACTION (The Barcelona Traction, Light and Power Co Ld.)