Mark Senior is an experienced biostatistician currently serving as Principal Biostatistician at ICON plc since November 2025. Prior to this role, Mark held the position of Senior Biostatistician at Fortrea from October 2021 to November 2025, and worked at Labcorp Drug Development in various capacities, including Biostatistician 2 and Placement Programmer, from May 2019 to September 2021 and July 2012 to August 2013, respectively. Mark earned a Bachelor of Science (BSc) in Mathematics with First Class Honours from the University of Brighton in 2014 and completed a Master of Science (MSc) in Medical Statistics at the University of Leicester in 2018.
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