David Costello graduated from Texas A&M University in 1991 with a BSEE. He worked as a system protection engineer at Central Power and Light and Central and Southwest Services in Texas and Oklahoma. He has served on the System Protection Task Force for ERCOT. In 1996, David joined Schweitzer Engineering Laboratories, where he has served as a field application engineer and regional service manager. He presently holds the title of senior application engineer and works in Boerne, Texas. He is a senior member of IEEE, and a member of the planning committee for the Conference for Protective Relay Engineers at Texas A&M University. 

In his spare time David loves reading and spending time with his wife Tracie and their two children, Isabelle and Wade. He enjoys being outdoors - hiking, camping, travelling, running and playing sports. David also enjoys home projects, such as gardening, landscaping, and designing and building things himself.

Dipl.-Ing. Boris Bastigkeit (IEEE, OVE) was born in 1969 in Kempton Park / South Africa. He grew up in Austria. Boris received a degree in communications engineering and electronics in 1989. As a young engineer he worked in the field of cable TV networks. Later his university education was focused on electrical power engineering and economics. He received his diploma (master degree) in Electrical Engineering at the Technical University of Graz (Austria) in 1998. He joined OMICRON electronics in Austria where he held various positions in development and sales before he was appointed to his current position as head of product management in the field of testing solutions for protection and measurement systems. He is the convener and national expert of the MR 95/ Austria. He is member of the working group IEC TC 95 MT4.

When Boris does not work, he likes being with his Family. He has two sons aged 3 and 10. He likes sports, travelling, has special interest in history, and likes being in the nature. The picture shows Boris at the summit of a cross country ski tour – one of his favorite winter activities.

Ian Todd Riensche holds a BSEE from Washington State University. He is a licensed professional engineer in the state of Washington, USA, and is a Member of IEEE.  Ian is a protection engineer at Tacoma Power in Tacoma, Washington, USA and a member of the Western Protective Relay Conference Committee.

Ian is also the author of *Sudoku for Lunch*, by Tate Publishing, and the Sudoku editor for two newspapers. Besides electrical engineering and Sudoku, Ian is a devoted father and husband and an avid golfer.

Eric Udren has a 40 year career in design and application of protective relaying and substation control.  He programmed the world’s first computer based transmission line relay, led development of the world’s first LAN-based substation protection and control system, and managed relay development and application at Westinghouse, ABB, and Eaton Electrical.  At present, he is Executive Advisor with Quanta Technology, LLC of Raleigh, NC, USA.   Eric is IEEE Fellow, and Vice Chair of the Communications Subcommittee of the IEEE PSRC.  He is US Technical Advisor for IEC TC 95 relay standards and member of the IEC TC 57 WG 10 that develops IEC 61850.  Eric serves on the North American Electric Reliability Corporation (NERC) SPCS, and the NERC Team developing NERC Standard PRC-005-2.  He has written and presented over 80 technical papers and book chapters. 

Eric enjoys running, amateur radio (K3SGT), museums, plays, traveling with his bride Barbara of 40 years, and music – especially concerts of his home town Pittsburgh Symphony Orchestra.