Question: Renzo Rosso is the President of the company that is the parent of which avant-garde fashion house?

Context paragraphs:
Mark Tungate: Mark Tungate is a British writer based in Paris, France.  He is the author of "Media Monoliths: How Media Brands Thrive and Survive" (2004), "Fashion Brands: Branding Style From Armani to Zara" (2005, Third Edition 2012), "Adland: A Global History of Advertising" (2007, Second Edition 2013, listed among the best business books of 2007 by "Library Journal"), "Branded Male: Marketing to Men" (2008), "Luxury World: The Past, Present and Future of Luxury Brands" (2009), "Branded Beauty: How Marketing Changed the Way We Look" (2011), and "The Escape Industry: How Iconic and Innovative Brands Built the Travel Business" (2017), all published by Kogan Page.  Tungate also collaborated with Renzo Rosso, the founder of clothing company Diesel S.p.A., on the book "Fifty" (Gestalten Verlag, 2006), about Rosso's life and the Diesel brand.  The graphic design was by Barcelona-based creative collective Vasava.

Martin Margiela: Martin Margiela (born 9 April 1957 in Genk, Belgium) is a Belgian fashion designer, and the founder of fashion house Maison Margiela.  He graduated from the Royal Academy of Fine Arts (Antwerp) in 1979, a year before the Avant-garde fashion collective the Antwerp Six.

Burberry: Burberry Group plc, is a British luxury fashion house headquartered in London, England.  Its main fashion house focuses on and distributes trench coats, ready-to-wear outerwear, fashion accessories, fragrances, sunglasses, and cosmetics.

Berta Bridal: Berta Bridal is an Israeli based fashion house that expertise in luxury bridal fashion and evening wear.  The sole designer of the fashion house is Berta Balilti (born December 11, 1964).  Berta is an Israeli designer, with Egyptian origins (was born in Cairo and lived there until the age of 3).

Viktor &amp; Rolf: Viktor & Rolf is a fashion house, which specialises in creating conceptual and avant-garde designs.  The fashion house was founded in 1993 by Dutch designers Viktor Horsting (born 1969, Geldrop) and Rolf Snoeren (born 1969, Dongen).  For more than twenty years Viktor & Rolf have sought to challenge preconceptions of fashion, and bridge the divide between fashion and art.  Viktor & Rolf have designed both haute couture and ready-to-wear collections.  The duo is renowned for their avant-garde designs, which rely heavily on theatrical and performative fashion runways.

Yuri Catania: Yuri Catania (born 1975) is an Italian photographer, director and creative director working in the fields of fashion and luxury.  He won the Cavallo di Leonardo for the direction of Best Fashion Movie of the year by Milan International Film Festival on April, 2014.  The movie was commissioned by Ermanno Scervino and starring Asia Argento.  He was selected by Praz-Delavallade to exhibit some fine art photos from the series New Yorker at ART IS HOPE, at Palais de Tokyo in Paris, on November, 2013.  He worked as a photographer with: Chiara Ferragni, Victoria Cabello, Asia Argento, Francesco Carrozzini, Kate Nauta, Renzo Rosso, Lindsey Wixson, , Rocky Mattioli, Dree Hemingway, Jessica Stam, Andreas Seppi, Fabio Fognini, Dylan Penn, Werner Schreyer, Sebastian Sauve, River Viiperi.  He worked for Fila, LaPerla, Rick Owens, Costume National, Ermanno Scervino, Avant Toi, Philipp Plein.

Renzo Rosso: Renzo Rosso (born 15 September 1955) is an Italian fashion entrepreneur.  Referred to as the "Jeans Genius" by Suzy Menkes, he is the President of OTB Group, the parent company of Diesel, Maison Margiela, Marni, Paula Cademartori, Viktor & Rolf, Staff International (manufacturer and distributor of DSquared², Just Cavalli, Maison Margiela, Marni and Vivienne Westwood), and Brave Kid (manufacturer and distributor of Diesel Kid, Dsquared², John Galliano Kids, Marni and Trussardi Junior).  Founder of the Only The Brave Foundation, a not-for-profit organization, Rosso is also the President of Red Circle investments; the Diesel Farm in Marostica, Veneto; the Pelican Hotel in Miami; and Bassano Virtus 55 S.T., the professional soccer club of his hometown Bassano del Grappa, Veneto.

H. Naoto: Naoto Hirooka, better known as h.NAOTO (born 1977) is a Japanese avant-garde fashion designer.  H. Naoto's style of clothing and accessories could be classified under Japanese punk and gothic lolita, and he has been called the "most visible and successful of the labels fixated on that style."

Diffusion line: A diffusion line (also known as a bridge line) is a secondary line of merchandise created by a high-end fashion house or fashion designer that retails at lower prices.  These ranges are separate from a fashion house's "signature line", or principal artistic line, that typically retail at much higher prices.  Diffusion products may be on sale alongside designers' signature line but they can also be made available at concession outlets and certain chain stores.  The use of a diffusion line is a part of the strategy of Massification where luxury brands attempt to reach a broader market in order to increase revenue and brand recognition.

Acne Studios: Acne Studios is a multidisciplinary luxury fashion house based in Stockholm, Sweden.  Founded in 1996 as part of the creative collective ACNE, an acronym for Ambitions to Create Novel Expressions, the fashion house specializes in men's and women's ready-to-wear fashion, footwear, accessories and denim.  Founder and Creative Director Jonny Johannson's interest in photography, art, architecture and contemporary culture has helped Acne Studios to become a respected creator of clothing, publications, furniture, exhibitions and special collaborations.

Supporting paragraphs: Renzo Rosso Viktor &amp; Rolf
Answer: Viktor & Rolf