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Virginie Callieau, VP Product development, EF Labs

I have worked directly with Mark in 2014 and 2015. He is still the best UX designer I have ever worked with.

Always conducting thorough research inside as well as outside the organization, Mark has always delivered designs of extremely high quality bringing incomparable value to the product. He has a rare ability at patiently and very pedagogically walking stakeholders through UX ideation, prototypes and designs.

MJ ParnellVirginie Callieau, VP Product development, EF Labs