［编者按］应同济大学的邀请，德国著名的项目管理专家──格埃纳博士于1997年对北京和上海进行访问讲学。格埃纳博士是德国和欧洲著名的项目管理专家，曾主持过德国的几个大型工程项目的项目控制，取得了非常突出的成绩。项目控制是项目管理的一门前沿学科，有关的知以国内尚 [Editor’s note] At the invitation of Tongji University, Dr. Geena, a famous German project management expert, gave a lecture in 1997 to visit Beijing and Shanghai. Dr. Geena is a famous project management expert in Germany and Europe. He once presided over the project control of several large-scale engineering projects in Germany and has achieved outstanding results. Project control is a frontier discipline in project management.