Ken Martin is a Principal Engineer at the Bonneville Power Administration. His works on the development of Wide Area Measurement Systems (WAMS), particularly a phasor measurement system. He also specializes in precise timing systems and has worked with instrumentation, communication, and power system protection systems. Mr. Martin holds a BSEE from Colorado State University and a MA from the University of Washington. He has authored over 30 technical papers. He is a Senior Member of IEEE, a member of the Power System Relay Committee and the Relay Communications Sub-committee. He chairs the Synchrophasor Standard working group, and is a member of several other working groups. He is a registered Professional Engineer in Washington State. When not working, he enjoys soccer, golf, windsurfing, classical music and travels to distant places to engage in these pursuits.

John Tengdin graduated from Purdue University with a BSEE degree, was with Dayton P&L before the Korean War and then joined General Electric Company for 33 years. He began work as an independent consultant in 1986, and formed OPUS Publishing as a two man partnership specializing in substation automation and cyber security in 1999. He has authored or co-authored numerous papers and over fifteen IEEE standards. In 2007 he became Life Fellow of IEEE His Fellow citation is "for leadership in Ethernet local area network based protective relaying and control in electric power substations". He chaired the original working group that developed IEEE 1613 He is a Registered Professional Engineer in Missouri. When not working, John likes to travel and play bridge.

Mark Adamiak received his BS and ME degrees from Cornell University in Electrical Engineering and MS-EE degree from the Polytechnic Institute of New York. Mark worked for American Electric Power (AEP) until 1990, when he joined General Electric. He is currently Advanced Technology Programs manager and is responsible for identifying and developing next-generation technologies. Mark is a Fellow of the IEEE and past Chairman of the IEEE Relay Communication Subcommittee. He has been actively involved in the development of IEC61850, is Chairman of the Technical Committee of the UCA International Users Group and a registered Professional Engineer in the State of Ohio. Mark also likes to play the piano and actively participates in jam sessions with his colleagues when he can.

Walter Schossig was born in 1941. He studied electrical engineering and after graduation he joined an utility in the former Eastern Germany. There he received his Masters degree and worked as a protection engineer until his retirement. His passion is the history of protection and control. Walter is currently writing a chronicle on the history of electrical supply and collects data from all over the world. No matter how busy he is, he always has time for a very special hobby: his grandson Jonathan.