Question: Was Mark Jung older than someone born in 1957, or younger? 

full_context: Document 1: Marc Ecko: Marc Louis "Eckō" Milecofsky (born August 29, 1972) is an American fashion designer, entrepreneur, and artist. He is the founder and Chief Creative Officer of Ecko Unlimited, a billion-dollar global fashion company. He also founded "Complex" magazine in 2002.
Document 2: Jenny Ming: Jenny Ming (born 1955) is the Chief Executive Officer of Charlotte Russe Holding Inc. She was appointed CEO in October 2009. From March 1999 to October 2006, Ming was president of Old Navy, a $6.7 billion business segment of Gap Inc., where she oversaw all aspects of Old Navy and its 900 retail clothing stores in the United States and Canada.
Document 3: Ignite!: Ignite! Learning, Inc. is an educational software and hardware company co-founded in 1999 by Texas businessman Neil Bush and a year later Ken Leonard. Neil is a brother of Former President George W. Bush and Former Florida Governor Jeb Bush, and son of former President George Herbert Walker Bush. Alan Davis resigned as the President and CEO in November, 2009. Ken Leonard is the current acting CEO.
Document 4: Kwong Wui Chun: Kwong Wui Chun (born c. 1955) is a Hong Kong aluminum businessman. He is the chairman and founder of Asia Aluminum Group, and chairman of the Guangdong Nanhai Non-ferrous Metals Association. He was born in Nanhai District, Foshan, Guangdong, and moved to Hong Kong in the 1960s or 1970s. In 1981 he began buying scrap aluminum in the United States, Japan, and the Middle East, and importing it for resale in Hong Kong and for further processing in Guangzhou. He founded the Asia Aluminum Group in 1992, and shepherded the company through its listing on the Stock Exchange of Hong Kong in 1998. In 2003 he was reported to be the 148th-richest person in China.
Document 5: Perenna Kei: Perenna Kei (, rendered as Kei Hoi Ting in Cantonese and Ji Kaiting in Mandarin pinyin; born 1990 in Hong Kong), is a Chinese businesswoman and billionaire. In 2014, "Forbes" named her the youngest billionaire in the world at age 24, with a net worth of US$1.3 billion. She previously used the name Ji Peili.
Document 6: Liu Wen: Liu Wen (; born January 27, 1990) is a Chinese fashion model represented by The Society Management and based in New York City. She is the first model of East Asian descent to walk the Victoria's Secret Fashion Show, the first spokesmodel of East Asian descent for Estée Lauder and the first Asian model to ever make "Forbes" magazine's annual highest-paid models list. In 2012, "The New York Times" named her "China’s first bona fide supermodel". In 2017, she became the first Chinese model to ever appear on the front cover of "American Vogue".
Document 7: John Koten: John Koten is the former CEO and editor in chief of Mansueto Ventures LLC, which publishes Inc. and Fast Company magazines.
Document 8: Mark E. Brown: Mark E. Brown is an American businessman and former CEO of Zen Entertainment and a former vice president of The Howard Hughes Corporation. His company currently has partnership deals with ESPN Radio, Fox Sports Radio, NBCSports.com, Ultimate Fighting Championship, World Wrestling Entertainment, and casinos such as the Treasure Island Hotel and Casino, Hard Rock Hotel. He is also the former Partner and President of R&R Partners, the ad agency which created the "What Happens in Vegas, Stays in Vegas" advertising campaign for the Las Vegas Convention and Visitors Authority. In addition, Brown is founder and director of Service 1st Bank of Nevada, valued in 2010 around $210 million, and previously served as the President of MBC Communications.
Document 9: Andrea Jung: Andrea Jung (鍾彬嫻, pinyin: Zhōng Bīnxián, jyutping: zung1 ban1 haa4) (born 1958)
Document 10: Zhu Xun: Zhu Xun (, born September 7, 1973) is a Chinese television host. Born in Suzhou, Zhu began her career as a television host in 1987, when she was a teenager. She was the host of the "Our Generation" program (). In 1988 she appeared in the film "Rocking Youth" (). In 1992 she paused her television work to go to university at Asia University in Japan, studying management. Thereafter she remained in Japan and became a host with Japanese television station NHK. She then appeared in the television show "Bounce Ko Gals", "Three Giant Dragons", and "Shanghainese in Tokyo". In 1998 she wrote her MBA thesis on "Media Market Strategy in the 21st Century". She later returned to China. She has hosted the 2009, 2011, 2015, and 2016 editions of the CCTV New Year's Gala.
Document 11: Jessica Jung: Jessica Jung (born April 18, 1989), known professionally as Jessica, is an American singer, songwriter, actress, model, fashion designer, and businesswoman currently based in South Korea. Jung was born and raised in San Francisco, California. At the age of eleven, she was discovered by South Korean entertainment agency S.M. Entertainment and subsequently moved to South Korea. In 2007, Jung debuted as a member of the South Korean girl group Girls' Generation. The group later became one of the best-selling artists in South Korea, and one of South Korea's most popular girl groups nationwide and worldwide.
Document 12: Mark Jung: Mark Jung was the founder and former CEO of IGN Entertainment and the networks of Snowball.com, running the company from January 1999 to November 2006. Previously, he was CEO of Worldtalk Corporation and also served as VP and General Manager at Retix. He is the younger brother of Andrea Jung.
Document 13: Mike Lunsford: Mike Lunsford is the chief executive officer of SK Planet, Inc., the U.S. arm of SK Planet, Ltd., a Korean-based company. He is the former executive vice president and interim chief executive officer of RealNetworks, the former chief executive officer of Rhapsody, a joint venture between RealNetworks and Viacom, and the former president and interim chief executive officer of Earthlink. Before joining EarthLink, Lunsford worked as a consultant at Andersen Consulting (now Accenture) in Chicago and Scott, Madden & Associates, a management consulting firm in Raleigh, North Carolina. He received an undergraduate degree and a Masters of Business Administration (MBA) from the University of North Carolina.
Document 14: Jon C. Madonna: Jon C. Madonna, retired, was most recently chairman and chief executive officer of KPMG (a professional services firm), in New York City. He was with KPMG for 28 years, where he held numerous senior leadership positions throughout his career, including chairman from 1990 to 1996. Subsequent to his retirement from KPMG in 1996, Madonna served as vice chairman of Travelers Group, Inc. from 1997 to 1998, and president and chief executive officer of Carlson Wagonlit Corporate Travel, Inc. from 1999 to 2000. He was chief executive officer of DigitalThink, Inc. from 2001 to 2002 and chairman of DigitalThink, Inc. from April 2002 to May 2004. Madonna is a director of AT&T Inc., Phelps Dodge Corporation, Tidewater Inc. and Visa U.S.A. Inc.
Document 15: Angela Ahrendts: Angela Jean Ahrendts, DBE (born June 7, 1960) is an American businesswoman and the Senior Vice President of Retail at Apple Inc. She was the CEO of Burberry from 2006 to 2014. Ahrendts left Burberry to join Apple in 2014. Ahrendts was ranked 25th in Forbes' 2015 list of the most powerful women in the world, 9th most powerful woman in the U.K. in the BBC Radio 4 Woman’s Hour 100 Power List, and 29th in "Fortune"’s 2014 list of the world's most powerful women in business. She was also a member of the UK's Prime Minister's business advisory council until it was disbanded in 2016.
ground_truth: younger