What are the most desirable skills / expertise for a successful Project Manager ?

1) Communication

2) Team building

3) Technical knowledge 

4) Energy and enthusiasm

5) Vision and patience 

Capability to spot deviations in advance, communication/interpersonal skills, conflict resolutions, pragmatism.

1- Communications

2- Problem solver

3- Team leader

4- Work Ethics

5- Rely on PMI framework

1. Credibility

2. Creativity as a problem solver

3. Tolerance for ambiquity

4. Flexible management style

5. Effective communicating

6. Interpersonal skills

7. Technical expertise

8. Administrative skills

The Most important one in my opinion is : Predicting problems before they occur and try to find solutions to them .

communication skills and monitoring

1. Inspires a Shared Vision
2. Good Communicator
3. Integrity
4. Enthusiasm
5. Empathy
6. Competence
7. Ability to Delegate Tasks
8. Cool Under Pressure
9. Team-Building Skills
10. Problem Solving Skills
11. References

1-Communication skills (processing the ability to read, write and speaking in an understandable, accurate and professional).

2-Human relations skills (ability to build and maintain positive relationship working well with other.

3-Math skills (Knowledge of basic arithmetic and business skills such as calculating profit .

4-Problem solving and decision making skills (ability to assess situation and make good decisions.

5-Technical skills (knowledge of computers and how to use them productively.

6-Basic business skills ( knowledge an understanding of economy and business functions such as marketing and management 

Thanks for the list of essential and desired skills required for a project manager. In my opnion decision making is an important skill because if the project manager relies heavily on the project methodologies to achive his project objective he is bound to miss out on the business objective of executing a project.80% of the time of project manager is spent on communication so verbal and written communication skills are the most essential. 

Leadership

Good communication

Good in Integration Management

Team building

Never allow the Project time overrun - any delay plays havoc for cost as well as all other parameters of performance, morale and utility