From the early 1980s, Mark worked with Michael Stonebraker's Ingres RDBMS and then a number of column-store big data analytics technologies.
In 2016, he joined HPE Big Data Platform as a Systems Engineer specialising in Stonebraker’s Vertica.
In September 2017 he followed Vertica as it merged into Micro Focus – one of the world’s largest pure-play software companies.
He is passionate about technology and frequently delivers talks at the London, Cambridge and Munich Big Data & Machine Learning Meetups (of which he is the founder with its 4K+ members), the British Computer Society – Advanced Programming Specialist Group, Vertica Forums, the Institute for Analytics and Data Science at the University of Essex et al.
He is a technical blogger and author.