[2] In 2012 he also became head coach of the Romanian women's national handball team.
[4] After graduating from the Sports College in Cluj Napoca, in 1974, Tadici trained the Romanian team HC Zalău for 30 years, winning the Romanian Women's Handball League three times and one time the EHF Challenge Cup in 1996.
[6] In 2006, he became the coach of CS Oltchim Râmnicu Vâlcea, winning with this team five trophies: the Romanian Women's Handball League title, the Romanian Cup, the Romanian Supercup, the Women's EHF Cup Winners' Cup and the EHF Women's Champions Trophy all in 2007.
He qualified then Oltchim for the first time in the history in the main groups of the EHF Women's Champions League.
[9] He also returned as head coach of the Romanian women's national handball team in the autumn of 2012.