This is the 6126th most frequent Turkish word.
yönetilen
Managed; governed; supervised.
Here, 'yönetilen' is used as a participle derived from the verb 'yönetmek' (to manage) in a passive sense, describing the quality of the company as being well-managed.
Bu şirket iyi yönetilen bir organizasyon örneğidir.
This company is an example of a well-managed organization.
In this usage, 'yönetilen' acts as a descriptor for 'projelerin' (of projects) to indicate the state of being managed.
Yönetilen projelerin sayısı her geçen yıl artıyor.
The number of managed projects increases every year.
Here, 'yönetilen' is applied to 'bir süreçtir' (a process) to denote the manner in which the process is being managed.