Question: What company was the company Thomas Maier works purchased by?

full_context: Document 1: Bottega Veneta: Bottega Veneta is an Italian luxury goods and high fashion brand house best known for its leather goods which are sold worldwide and its men's and women's ready-to-wear. Founded in 1966 in Vicenza, Veneto of northeastern Italy, its atelier is located within an 18th-century villa in Montebello Vicentino and its headquarters are in Lugano, Switzerland with offices in Milan and Vicenza, Italy. In 2001, Bottega Veneta was purchased by Gucci Group, and is now a part of the French multinational group Kering. In September 2016, it was announced that Claus-Dietrich Lahrs would be named CEO, replacing Carlo Beretta.
Document 2: Fendi: Fendi (] ) is an Italian luxury fashion house whose specialities include fur, ready-to-wear, leather goods, shoes, fragrances, eyewear, timepieces and accessories. Founded in 1925 in Rome, Fendi is renowned for its fur and fur accessories. Fendi is also well known for its leather goods such as "Baguette", 2jours, Peekaboo or Pequin handbags.
Document 3: Versus (Versace): Versus Versace is the diffusion line of Italian luxury fashion house Versace. It began in 1989 as the first diffusion lines by the house, a gift by the founder Gianni Versace to his sister, Donatella Versace. After closing in 2005, Donatella resurrected it in 2009 with a capsule collection of accessories designed by emerging British designer Christopher Kane. The brand is now very famous for its stylish watches, leather accessories and chic ready-to-wear.
Document 4: Gucci: Gucci ( ; ] ) is an Italian luxury brand of fashion and leather goods, part of the Gucci Group, which is owned by the French holding company Kering. Gucci was founded by Guccio Gucci in Florence in 1921.
Document 5: LVMH: LVMH Moët Hennessy Louis Vuitton SE, better known as LVMH, is a French multinational luxury goods conglomerate, native of France and headquartered in Paris. The company was formed in 1987 under the merger of fashion house Louis Vuitton with Moet Hennessy, a company formed after the 1971 merger between the champagne producer Moët & Chandon and Hennessy, the cognac manufacturer. It controls around 60 subsidiaries that each manage a small number of prestigious brands. The subsidiaries are often managed independently. The oldest of the LVMH brands is wine producer Château d'Yquem, which dates its origins back to 1593.
Document 6: Tom Ford: Thomas Carlyle "Tom" Ford (born August 27, 1961) is an American fashion designer, film director, screenwriter, and film producer. He launched his eponymous luxury brand in 2006, having previously served as the creative director at Gucci and Yves Saint Laurent. Ford directed the Oscar-nominated films "A Single Man" (2009) and "Nocturnal Animals" (2016).
Document 7: Stefano Gabbana: Stefano Gabbana (born 14 November 1962) is an Italian fashion designer and, along with Domenico Dolce, the co-founder of the Dolce & Gabbana luxury fashion house. He is one of the world's most influential fashion designers.
Document 8: Michael Michalsky: Michael Michalsky (born 23 February 1967 in Göttingen) is a German fashion designer. He is the founder and head designer of the fashion label "Michalsky". He is also the creative director of the luxury handbag manufacturer MCM since 2005. Besides his fashion business, Michalsky runs the agency Michalsky DesignLab, which offers design services. Today, Michalsky is considered one of Germany’s most influential designers. His StyleNite at Berlin Fashion Week is followed by the global fashion scene.
Document 9: Vita Moda: Vita Moda Italia SA, most commonly known as Vita Moda, is a European leather goods manufacturer. The company was founded by leather smith Vito Catalano in 1836, and continues to be family-controlled. The company originated as a custom saddle manufacturer catering to Europe’s Royalty and elite, but, by the turn of the following century, had evolved into a fashion accessories manufacturer, specializing in luxury handbags and footwear. Vita Moda's headquarters and main workshops are located on the outskirts of Milan, Italy.
Document 10: Kiton: Kiton is a luxury ready-to-wear and made-to-measure clothing company founded in 1956 as CIPA in Naples, Italy by Ciro Paone, a fifth-generation fabric merchant, and Antonio Carola. Launched in 1968, the Kiton brand name is a derivation of the Greek word "chiton", a garment worn by the ancient Greeks that the Romans later called a tunic. Antonio De Matteis is the CEO, and Antonio Paone is president of Kiton USA; both are nephews of the co-founder, Ciro Paone. The company's motto is "ll meglio del meglio più uno" ("the best of the best plus one").
Document 11: Brioni (brand): Brioni is an Italian menswear couture house owned by French holding company Kering. Founded in Rome in 1945, it is known for its made-to-measure men's suits, sartorial ready-to-wear collections and leather goods.
Document 12: Valentino SpA: Valentino SpA is a clothing company founded in 1960 by Valentino Garavani. It is a part of Valentino Fashion Group, which in turn is owned by the State of Qatar through Mayhoola for Investments S.P.C. Since October 2008, the creative director is Pier Paolo Piccioli. Alessandra Facchinetti was Valentino's creative designer from 2007 to 2008. Valentino is headquartered in Milan,while the creative direction is in Rome.
Document 13: Thomas Maier: Thomas Maier is an author, journalist, and television producer. His book "Masters of Sex: The Life and Times of William Masters and Virginia Johnson, the Couple Who Taught America How to Love" is the basis for the award-winning drama "Masters of Sex" which premiered on Showtime in 2013.
Document 14: Tomas Maier: Tomas Maier (born 1957) is a German-born designer who is Creative Director at the Italian luxury lifestyle brand Bottega Veneta, which is part of Kering.
Document 15: Louis Vuitton: Louis Vuitton Malletier, commonly referred to as Louis Vuitton ( ; ] ), or shortened to LV, is a fashion house and luxury retail company founded in 1854 by Louis Vuitton. The label's LV monogram appears on most of its products, ranging from luxury trunks and leather goods to ready-to-wear, shoes, watches, jewelry, accessories, sunglasses and books. Louis Vuitton is one of the world's leading international fashion houses; it sells its products through standalone boutiques, lease departments in high-end department stores, and through the e-commerce section of its website. For six consecutive years (2006–2012), Louis Vuitton was named the world's most valuable luxury brand. Its 2012 valuation was US$25.9 billion. The 2013 valuation of the brand was US$28.4 billion with revenue of US$9.4 billion. The company operates in 50 countries with more than 460 stores worldwide.
ground_truth: Gucci Group