Brendan Joseph Hansen is an American breaststroke

Breaststroke

The breaststroke is a swimming style in which the swimmer is on his or her chest and the torso does not rotate. It is the most popular recreational style due to its stability and the ability to keep the head out of the water a large portion of the time. In most swimming classes, beginners learn...

 swimmer

Swimming (sport)

Swimming is a sport governed by the Fédération Internationale de Natation .-History: Competitive swimming in Europe began around 1800 BCE, mostly in the form of the freestyle. In 1873 Steve Bowyer introduced the trudgen to Western swimming competitions, after copying the front crawl used by Native...

 and four-time (two gold, one silver, one bronze) Olympic

Olympic Games

The Olympic Games is a major international event featuring summer and winter sports, in which thousands of athletes participate in a variety of competitions. The Olympic Games have come to be regarded as the world’s foremost sports competition where more than 200 nations participate...

 medalist. He is a former world record holder in both the 100 and 200-meter breaststroke (long course).

He has won a total of twenty-three medals in major international competition, seventeen gold, four silver, and two bronze spanning the Olympics, the World, and the Pan Pacific

Pan Pacific Swimming Championships

The Pan Pacific Swimming Championships is a long course swimming event first held in 1985. The meet was initially staged biennially , to allow for an international championship-level meet in the non-Olympic and non-World Championships years...

 Championships.
Hansen was born and grew up in Havertown

Havertown, Pennsylvania

Havertown is a residential suburban unincorporated community in Haverford Township, Delaware County, Pennsylvania, United States, approximately 9 miles west of the center of Philadelphia. Havertown's ZIP Code is 19083. Havertown is notable for being the birthplace of Swell Bubble Gum, which closed...

, a suburb about 10 minutes away from Philadelphia, Pennsylvania

Philadelphia, Pennsylvania

Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

.