The Project Directors.

Kenneth Birman	Robbert van Renesse
Horus Project, Isis Toolkit, Fault-Tolerance Practice and Theory, Distributed Systems, Security, Editor in chief of ACM TOCS.	Distributed computing, fault tolerance, group communication, replication, security

The Researchers and Staff

Bela Ban	Werner Vogels	Tim Clark
Researcher - Network Management, Meta object protocols	Researcher - distributed operating systems, real-time systems, high-speed cluster networks, internetworking	Staff - Ensemble Release Manager, Ensemble Support

The Students

Xiaoming Liu	Oznur Ozkasap	Zhen Xiao
Reliable high-performance distributed systems, formal methods	Distributed computing, group communication, bimodal multicast, parallel and distributed real-time computing	Scalable reliable multicast, Ensemble protocol toolkit, security, flow control.

Former Group Members and Visitors

Mark Hayden	Michael Kalantar	Guerney Hunt	Dave Cooper	Roy Friedman
Ensemble	Large scale ordered multicast	Flow control for multicast protocols in local area networks.	Security, privacy, distributed computing, mobile computing.	Distributed systems, group communications, cluster computing, distributed soft real-time applications, CORBA
David Karr	Kathy Guo	Takako Hickey	Alexey Vaysburd	Ohad Orodeh
Formal specification, verification, custom-built protocol stacks, temporal logic, weak consistency.	Networking, reliable multicast, scalable virtual synchronous multicast, light-weight groups	Distributed Systems, Communications Protocols, Flow Control, Resource Management	Horus Object Tools, Maestro C++ Toolkit and IIOP software	Secure Group Communication.
Silvano Maffeis	Mike Reiter	Brad Glade
Distributed Object Systems, OMG CORBA, Object Groups, Object Replication, Electra ORB	Secure distributed computing, key management, electronic commerce and privacy	Fault-tolerance, distributed computing, group communication, wide-area communication