Thainá Freitas de Sá

Thomas Hain is a seasoned Network Design Engineer with extensive experience at o2 Germany since July 1998, currently serving as a senior core network and voice services design engineer. Hain has led VoLTE technical initiatives and introduced mobile voice services within the organization, while also overseeing mobile core network design, vendor relations, and budget planning. Prior to o2, Hain worked at T-Mobile as an IN Service Design Engineer, focusing on requirement specifications and service implementations. Hain holds a Diplom Ingenieur degree in Telecommunications from the Technical University of Munich, obtained in 1996.