Online Education Services, UK. Tom McGrellis is a Business Development Consultant at Online Education Services, a leading enabler of online education. Originally a member of OES’s Australian office, he recently joined the team in London to support the organisation’s expansion in the UK. His focus will be securing new partnerships and analysis of other growth opportunities for OES and its partners in the UK and internationally. Prior to joining OES, Tom was a management consultant at PwC with a focus on human capital consulting and brings experience working with organisations across education, technology, media and financial services.