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Walter has a MSc in Computer Science from Warsaw Technical University. Walter worked as a key system architect at GTECH for 23 years and created many de-facto standards used in on-line lottery applications.

Together with Irena Szrek, Walter founded Szrek2Solutions in 2003. He co-authored several patents related to transparent methods in random number generation and transaction security, applying them to develop RNG technology with fraud detection. Together with Chris Olsen and Irena Szrek, Walter architected and co-designed the Szrek2Solutions Trusted Suite of Products and played a key role in the deployment of these products. Walter has also provided his technical expertise in gaming and secure transaction systems architecture, consulting for major industry vendors.