Comment about my coworker

The company which she worked for did a great job.
The Stalwarts occupy the top management levels, and provide inspiration at all cadres.(don't know this word, do you mean levels?) 

Working with her provided me with the exhilarating experience of managing three different teams located in three different time zones. To say the least, her communication skills and her ability to handle complex team situations have progressed significantly in the three months that she spent at our company. Although her coworkers did not read many articles about current marketing trends, she read a lot of them.

Her app is already whitelisted by Apple. It will be launched in the near future.

Her project is comprised of people from three different countries. I look forward to working with these people again soon.