Within the various aspects of life-science technologies medicine and information technology will change next millennium's quality-of-life fundamentally. Thanks to the rapid growth of telecommunication industry and the success and popularity of the internet the face of medicine will essentially change, because information technology is expected to play a major role in future health care systems. The conference MEDICOM 2000 is a discussion forum on fast and cost efficient patient-data exchange systems between doctors' offices, medical laboratories, telearchive services, health care insurances, highly specialized experts in hospitals etc. The conference brought together scientific, medical and application experts from university, clinical and commercial sites of both areas - medicine and communication - to stimulate synergy between these rapidly evolving future technologies. We would like to acknowledge all the parties who contributed to the success of the conference. Especially, we would like to thank Gisela Niedzwetzki and Waltraud Ott for secretarial support as well as Dirk Thomsen for web mastering. Additionally, we have to acknowledge the valuable support of Holger Dorle, Thomas Giese, Peter Just, Stefan Klockner, Heike Lahr and Kerstin Ltidtke-Buzug during the conference.