Question: Nasty Gal is an American retailer that specializes in fashion for young women, founded in 2006, by which American businesswoman, that started it at age 23?

Related documents: [0]  [DOC] Sophia Christina Amoruso (born April 20, 1984) is an American businesswoman. At age 23, she started an online eBay store selling vintage clothing and other items, which she named "Nasty Gal Vintage". [END] 
[1]  [DOC] Nasty Gal is an American retailer that specializes in fashion for young women. The company has more than 550,000 customers in over 60 countries. Founded by Sophia Amoruso in 2006, Nasty Gal was named “Fastest Growing Retailer” in 2012 by INC Magazine. Nasty Gal is based in Los Angeles. Amoruso originally began selling vintage clothes from her eBay account, and later switched to sell its own label of clothes, on her own website. In 2017, the company was purchased by the BooHoo Group out of chapter 11 of the U.S. bankruptcy code. [END]  
Answer: Sophia Christina Amoruso
Sophia Christina Amoruso