In his previous role, Tierney was sales director for Ireland and will continue in his role in assisting Oxygen8’s international market expansion into new territories, which include Canada and over 12 countries in Europe. In his new role, Tierney will be responsible for developing Oxygen8’s position in the market as a provider of mobile marketing and business communications solutions to blue-chip and media companies. More specifically, Tierney will now focus on expanding Oxygen8’s professional services revenue stream.