Mark Szulejewski is a Program Manager within Microsoft’s Global Mobility Team, specialising in compliant cross-border business travel. His areas of expertise include immigration and tax compliance, with particular interests in the Posted Workers Directive and international social security. Prior to joining Microsoft, Mark worked as a Manager at KPMG, advising on global mobility matters. Based in the UK, he is a qualified member of the Institute of Chartered Accountants in England and Wales (ICAEW). Mark brings a combination of professional services and in-house experience to his work, with a strong focus on navigating the complexities of international mobility and compliance.