Mark Sims is a seasoned professional in customer success management, currently serving as a Senior Customer Success Manager at Previsico since July 2025. Prior to this role, Mark held various positions at Firmex from April 2019 to July 2025, including Senior Manager, Manager, and Team Lead in Customer Success. Mark's experience also includes working as an EMEA Customer Account Manager at Logi Analytics from September 2017 to March 2019, contributing to the seamless integration of analytics in client applications. Earlier roles include a Consultant position at Practicus, where support was provided for organizational change, and as Head of Permanent Delivery at TEKsystems, managing recruitment within infrastructure, networks, and security sectors. Mark holds a BA Hons in History from Kingston University, completed in 2013, and attended Little Heath School from 2003 to 2010.
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