Bart Van der Spiegel started in 1992 as engineer designing the power distribution for Belgian railways. Since 2005 focus has shifted towards the integration of an open energy market into an open railway market. He is responsible for the product Your Power delivering traction energy towards the Railway Undertakings active in Belgium. He has been active on all European workgroups regarding the measuring of energy consumption on-board of trains and on the exchange of related data. He is member of Eress Steering Board and convenor of CENELEC working group Energy Metering. He is also active in field of Driving Advisory Systems, Automatic Train Operation, automating energy functions and charging of battery trains.