Question: Which Australian brand designer was responsible for the leading identity of the second-largest Australian ailine after Qantas?

full_context: Document 1: Virgin Australia Regional Airlines: Virgin Australia Regional Airlines (formerly Skywest) is an Australian regional airline based in Perth; servicing key towns in the state of Western Australia as well as interstate destinations Darwin, Melbourne, Brisbane, Canberra and Sydney. It also serves regional destinations in New South Wales and Queensland and operates charter flights to Bali. In April 2013 Skywest was purchased by Virgin Australia Holdings as its new regional offshoot, and renamed Virgin Australia Regional Airlines.
Document 2: Hans Hulsbosch: Hans Hulsbosch is an Australian brand designer, responsible for the development of many of Australia's leading identities including Qantas, Woolworths.and Virgin Australia. In 1982, he pioneered the concept of combining brand, brand strategy and product development.
Document 3: Tigerair Australia destinations: Tigerair Australia (known as Tiger Airways Australia until July 2013) is a low-cost airline based in Melbourne, Australia. As of March 2014, it operates to 12 destinations in six states and territories across Australia, with 2 more destinations, Darwin and Whitsunday Coast, to be available from April, 2014. Tigerair Australia has operated flights to 17 destinations in Australia, but the majority of these destinations were discontinued after the grounding of the airline's entire fleet by the Civil Aviation Safety Authority in July 2011.
Document 4: Tigerair Australia: Tiger Airways Australia Pty Ltd, operating as Tigerair Australia, is an Australian low-cost airline. It commenced services in the Australian domestic airline market on 23 November 2007 as Tiger Airways Australia. It is a fully owned subsidiary of Virgin Australia Holdings. The airline is based in Melbourne, Victoria, with its main base at Melbourne Airport. The Civil Aviation Safety Authority of Australia (CASA) grounded the airline in 2011; as a result operating bases at Adelaide and Avalon were shut down and it initially only operated out of its Melbourne base after returning to the air. On 7 March 2012, Tigerair announced the reopening of a second base at Sydney Airport.
Document 5: Hartmut Esslinger: Hartmut Esslinger (born June 5, 1944) is a German-American industrial designer and inventor. He is best known for founding the design consultancy Frog Design Inc. (stylized as "frog").
Document 6: Jetstar Airways: Jetstar Airways Pty Ltd, trading as Jetstar, is an Australian low-cost airline (self-described as "value based") headquartered in Melbourne. It is a wholly owned subsidiary of Qantas, created in response to the threat posed by low-cost airline Virgin Blue. Jetstar is part of Qantas' two brand strategy of having Qantas Airways for the premium full-service market and Jetstar for the low-cost market. Jetstar carries 8.5% of all passengers travelling in and out of Australia.
Document 7: Billabong (clothing): Billabong International Limited is a surf company, primarily a clothing retailer that also produces accessories, like watches and backpacks and skateboard and snowboard products under other brand-names. Founded in 1973 by Gordon and Rena Merchant, the company first traded on the Australian Securities Exchange in 11 August 2000. The name "billabong" is derived from the Wiradjuri word ""bilabaŋ"" that refers to a "creek that runs only during the rainy season". As of September 2013, Von Zipper, and Element are two of the prominent brands that Billabong owns. Honolua Surf Company, Kustom, Palmers Surf, Xcel, Tigerlily, Sector 9 and RVCA are the company's other brands.
Document 8: Qantas: Qantas Airways ( ; ) is the flag carrier of Australia and its largest airline by fleet size, international flights and international destinations. It is the third oldest airline in the world, after KLM and Avianca having been founded in November 1920; it began international passenger flights in May 1935. The Qantas name comes from ""QANTAS"", an acronym for its original name, ""Queensland and Northern Territory Aerial Services"", and it is nicknamed "The Flying Kangaroo". Qantas is a founding member of the Oneworld airline alliance.
Document 9: Virgin Australia: Virgin Australia Airlines Pty Ltd, formerly Virgin Blue Airlines, is Australia's second-largest airline after Qantas and it is the largest airline by fleet size to use the 'Virgin' brand. Now based in Bowen Hills, Brisbane, the airline was co-founded by British businessman Richard Branson, the founder of parent Virgin Group and former Virgin Blue CEO Brett Godfrey. It was established in November 1999 with two aircraft operating on a single route, and suddenly found itself catapulted to the position of Australia's second airline after the collapse of Ansett Australia in September 2001. The airline has grown to directly serve 29 cities in Australia from hubs in Brisbane, Melbourne and Sydney, using a fleet of narrow-body Boeing and Embraer jets; and Airbus and Boeing widebody jets.
Document 10: Individual branding: Individual branding, also called individual product branding, flanker brands or multibranding, can be defined as "a branding strategy in which products are given brand names that are newly created and generally not connected to names of existing brands offered by the company." This way, within the same company, each brand has a unique name, identity and image. Individual branding is a type of branding strategy contrasting with family branding, corporate branding, and umbrella branding, where the firm markets all of its product together, using the same brand name and identity. All kind of branding strategies are highly related to economic and social factors, as well as to the nature of business and consumers' needs.
Document 11: Virgin Group: Virgin Group Ltd. is a British multinational corporation venture capital conglomerate founded by entrepreneurs Sir Richard Branson and Nik Powell.
Document 12: Aussie (shampoo): Aussie is an international cosmetics brand. Its products are focused solely on hair care, such as shampoos, conditioners, hair serums, gels and sprays. It is marketed as a product of Australia due to its inclusion of certain natural ingredients found from the country itself. Thus, its logo is a kangaroo, and, similarly, its slogan is "Roo Your 'Do!". However, the brand is in fact manufactured by Procter & Gamble, an American company, which bought the brand in 2003. The brand was particularly successful in 2004, when P&G had US$55 billion in sales (the brand sales was unknown).
Document 13: Anders Holch Povlsen: Anders Holch Povlsen (born 1972) is a Danish billionaire who is the CEO and sole owner of the international clothes retailer chain Bestseller-Group (Vero Moda, Jack&Jones, etc.), a company founded by his parents, and the biggest shareholder in the British internet clothes retailer Asos and biggest shareholder in German internet clothes retailer Zalando. He is the second largest private landowner in Britain.
Document 14: Walter Landor: Walter Joseph Landor (born Walter Landauer, July 9, 1913 – June 9, 1995) was a brand designer and the founder of Landor Associates. He was an acclaimed designer and a pioneer of branding and consumer research techniques widely used to this day. Landor Associates, the company he founded in 1941, has offices around the world.
Document 15: Breville: Breville is an Australian manufacturer and marketer of small home appliances, founded in Melbourne in 1932. They created the original sandwich toaster. The product was a huge success upon its launch in Australia in 1974, selling 400,000 units in its first year and making the Breville brand a household name in Australia. Soon after, the Breville toasted sandwich maker was launched in New Zealand and Great Britain where it met with similar success. The name became synonymous with such devices - to the point where in some countries "Breville" has become the generic word for a sandwich toaster, and often the toasted sandwich itself, in much the same way that "The Hoover Company" is associated with the vacuum cleaner.
ground_truth: Hans Hulsbosch