Terra Dotta, US. Mark Callaghan joins Terra Dotta, LLC, as an international sales representative based in the UK. Mark is responsible for worldwide business development to meet the rapidly growing interest in Terra Dotta solutions, the leader in global education software. Having spent most of his professional career in cities such as Dubai, Hong Kong, Mexico City and Bangkok, he has built a sound understanding of how to provide solutions to different cultures. Mark spent the last few years with an emergency assistance company, working with many clients to implement robust travel risk management solutions that fit the client’s travel demands.