How to make an employee more creative, positive, specialist and utilize their skills efficiently?

Thanks for the invitation. In order to do so, he should be given incentives so that they can further develop interest in the works assigned to them. Also, appreciate them for their good job.

let them feel that they are valued persons and they play an important role to sucess

Thanks 

Many good answers given here by colleagues nothing to add 

The employee is a person creates and makes mistakes and maintain it must be encouraged and rewarded and missed to be reprimanded and to deter him from the first time, but should give him another chance, so take advantage of his skill

Rewards is a key by any kind ( appreciation , encouraging or recognition  like Employee of the year , department or monthly achiever )

An healthy, respectful, encouraging, and career oriented environment give employee to flourish and progress even make smart worker!

Agreed with expert nice answer and like to add that work shall be assigned according to employee natural talent in order to use his skill efficiently

Find what interests them and assign them goals accordingly. Appreciate them and help them move up in their career ladder.

The best way is to provide them all the opportunities to use them first. An environment which does not allow for mistakes will not provide opportunities and environment for volunteers and risk takers even if people are highly trained and competent. I usually put them in many situations in which they solve problems, find opportunities, tweak existing processes and question metrics without consequence. If my boss say, your people have messed up, I tell my boss straight out: No they did not. I messed up because either I did not give clear instructions or I have failed to train them right. Read this article on leadership...

Leaders and Role Models: Telling Their Stories

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Many ways to make employee more creative, positive, specialist and utilize their skills efficiently . Few of them are already advised on this post . Few are mentioned below 

1. Reward and Support Creativity 

.2.Make Use of Mentoring ,

3.Engage a Happiness Trainer

4.Know Employee Strengths and Make Sure They Know Them, Too

Have Frequent One-on-One Conversations about Strengths

Thank you for your invitation

Each greeting for all the interest and useful answers