Show all clients in one site best design

Once a user has logged in, he should be able to click on Clients and a new site with all of the users and their information to show up. He can then press Edit to change user basic information or Show more, to show a users full profile with some data he is gathering. Also he can add new Users. What I'm not sure of, is how to design the site that would show all users in a way that's clean and well designed. i.e mockup :

But I'm not very satisfied with doing it like this. Any ideas, or any other website example that does this? I'm a beginner so any guidance would be appreciated.