Bootstrap css help : centered well

i want to center the well .. plz help me out.. here is my code and screenshot. the well i have added should appear in the middle.. what should i do?

<div class="container" id="profile" >

        <div class="col-md-6">
            <div class="well well-sm">
                <div class="row">
                    <div class="col-sm-6 col-md-4">
                        <img src="img/tawsif.jpg" alt="" class="img-rounded img-responsive" />
                    </div>
                    <div class="col-sm-6 col-md-8">
                        <h4>
                            Tawsif Karim</h4>
                        <small><cite title="Dhaka, Bangladesh">Dhaka, Bangladesh <i class="glyphicon glyphicon-map-marker">
                        </i></cite></small>
                        <p>
                            <i class="glyphicon glyphicon-envelope"></i>tawsif.karim@gmail.com
                            <br />
                            <i class="glyphicon glyphicon-globe"></i><a href="http://ift.tt/1kH0iEY">http://ift.tt/1NhKe8J;
                            <br />
                            <i class="glyphicon glyphicon-gift"></i>June 08, 1992</p>


                    </div>
                </div>
            </div>
        </div>

</div> 

via Chebli Mohamed