As we all know, behind every successful company there's effort and hard work of the honest and dedicated employees. Simply, the key to success and improve your company status, you need to have effective team manners and a positive team members. Team work is really important at workplace, their dedication toward work, their effort can make it a successful and a powerful team and a positive work environment. There are so many reason which results as a failure team and a negative attitude toward other team members. In my opinion. one should be knowledgeable enough to work efficiently in a team on certain issues. Unsuccessful team always takes place when there's lack of communication, you are not efficient to give your opinions, share your thoughts, or discuss on the issues. There are many characteristics to make a successful team and several skills to improve team work. Lets talk about some one of the main reasons which causes to be the unsuccessful team are; gender a team generally have male or female members, age difference, ethnicity, social background, training, and experiences. These are all the categories which normally effect a company, team, and a team members.