Nelson Mandela
Nelson Mandela in hospitalReuters
Nelson Mandela in hospitalReuters
An Ion Tiriac trophy wasn't the only award Roger Federer received for winning the Madrid Open on Sunday; the tennis star was rewarded with a framed suit from the upcoming 'Men in Black 3' film, courtesy of Will Smith.Reuters
He is the Chairperson of Microsoft, the software company that he's founded. The 56-year-old business tycoon is also a philanthropist. Bill and his wife Melinda Gates founded one of the largest and transparently operated charity foundation called the Bill & Melinda Gates Foundation.Reuters
Warren Buffett is the co-founder of The Giving Pledge. He was ranked the world's wealthiest person in 2008 and his current net worth is US$46 billion. He had promised to give most of his wealth to the Bill & Melinda Gates Foundation.Reuters
Richard BransonReuters
He co-founded Apple with his friend Steve Wozniak in 1976. Jobs who made Apple the hottest and most valuable company on the planet, died after a long battle with cancer at the age of 56 on Oct. 5, 2011. Under his leadership Apple signed to participate in Product Red program, a joint venture by various private sectors to spread AIDS awareness and to raise funds to help eliminate the disease in Africa.Reuters
The Irish singer who is most commonly known by his stage name Bono, is also a humanitarian. He is involved in many pro-Africa humanitarian programs. He co-founded philanthropic organizations like DATA, EDUN, Product Red.Reuters
Chairman of Tata Sons and Tata Groups. Ratan who is the winner of Carnegie Medal of Philanthropy (2007) is also a humanitarian and serves as program board of the Bill & Melinda Gates Foundation India.Reuters
The 85-year-old queen is the constitutional monarch of 16 sovereign states, Commonwaelth realms. She is the patron of over 600 charities and other organizations and she is a supporter of inter-faith relations. The longest-living and second-longest-reigning monarch of the United Kingdom celebrates her Diamond Jubilee in 2012.Reuters

A new study by a leading global reputation management consultancy, Reputation Institute, has named industrialist Ratan Tata as one of the "World's Most Respected People."

According to the Reputation Institute's study, the top 10 world's most respected people were selected from a list of 54 people from the world's most visible leaders and public personalities by 51,055 members of the general public in 25 countries.

The Reputation Institute Chairman, Dr. Charles Fombrun, said, "The results of Reputation Institute's study confirm that people respect leaders that participate in philanthropic activities outside of their own celebrity."

Former President of South Africa Nelson Mandela ranked first at the index and was followed by Swiss tennis player Roger Federer.

Check out the slideshow for the full list.