The present study is intended to examine relationship among competency and succession planning in Telecommunication Infrastructure Company of Iran (TICIR). This study was carried out as an applied research in terms of objective and it was assumed as a descriptive survey by taking approach toward interpretative structural modeling. The statistical population of this study comprised of two groups of experts and directors (Directors general, chairmen of offices, responsible experts and experts of TICIR Company). To determine sample size for first statistical population, 20 of experts were elected using non-randomized and selective sampling method and in order to specify sample size for second statistical population 340 participants were chosen including directors general, deputies of directors general, chairmen of offices, responsible experts and other experts of TICIR Company.The result from succession planning model showed that the variable of succession planning reached to a level higher than satisfactory rate therefore all of the related elements were placed higher than satisfactory level except variable of commitment that was at good level. Similarly, variable of competency was also placed at the level higher than satisfactory rate in this study. Therefore, all of these variables reached to the level higher than satisfactory rate.
