If we are talking about professional development, everybody obviously has some skills they can develop and improve. Professional development will obviously include the use of skills with the help of education, training and skill development as well. A lot of employers will obviously need to train people on the job. No matter how much education you may have, you may have to be trained, especially when you are entering a company. Here are some blogs for the same.
1. management blog. org
2. work awesome. com
These blogs will definitely do a fantastic job of helping you.