With nearly 30 years of experience in the food and beverage industry, Irene Rosenfeld, drives business results by understanding consumer needs, constant innovation and the development of truly delicious food.

At present, women have power unlike never before and the power grows. Power is not something somebody gives; power is something one should take. Women have taken this power and by way of realistic measures. Old obstacles like gender barriers have almost been overcome. This is obviously seen in the business world where women and men are sharing responsibilities and opportunities based on qualifications and not on gender. Actually, women have contributed significantly to developments in business. Let's take a brief look at 50 most powerful women in business for year 2011 and see how they've assisted in shaping the business world as we know it today.

Professionally known as Iman, Iman Mohamed Abdulmajid, is one of the most recognized models of 1970s and '80s.

Heidi Klum is a German model who has accomplished other staggering achievements, such as, actress, artist, television host, fashion designer, television producer, businesswoman, and occasional singer.