Question: Where is the company's headquarters that Helmut Oswald Maucher was a CEO at?

Context paragraphs:
Key Safety Systems: Key Safety Systems (KSS) is a company that develops and manufactures automotive safety systems.  The safety systems are installed in hundreds of vehicle models.  The company headquarters is in Sterling Heights, Michigan, in the United States.  Globally, the company has 13,000 employees who work in 32 plants and technical centers worldwide.  The company's 2016 annual revenue was $1.8 billion.  The current KSS CEO and president is Jason Luo.  He has held the positions of president, member of the board, and CEO, since March 2007.  Luo has taken the offer as CEO of Ford China.  The new job allows Luo, a Chinese-born engineer who has lived in the United States for three decades, to return to Shanghai to be near his aging parents.

Post Tower: Post Tower is the headquarters of the logistic company Deutsche Post DHL with the two brands postal services for Germany "Deutsche Post" and the worldwide logistics company DHL.  The Post Tower is a 162.5-metre, 41-storey office building in Bonn, Germany.  It was designed by German-American architect Helmut Jahn and won the 2002 Silver Emporis Skyscraper Award.

Houston Natural Gas: Houston Natural Gas Company (HNG) was a gas utility headquartered in Houston, Texas.  The company was acquired by InterNorth Inc. in 1985, with HNG executives taking top positions at InterNorth.  Following the transaction, InterNorth was renamed Enron Corporation, and the company headquarters was moved from InterNorth's base in Omaha to the former HNG offices in Houston.  The company is notable for former CEO Kenneth Lay who became CEO of the newly formed Enron.

Google: Google Inc. is an American multinational technology company that specializes in Internet-related services and products.  These include online advertising technologies, search, cloud computing, software, and hardware.  Google was founded in 1998 by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University, in California.  Together, they own about 14 percent of its shares, and control 56 percent of the stockholder voting power through supervoting stock.  They incorporated Google as a privately held company on September 4, 1998.  An initial public offering (IPO) took place on August 19, 2004, and Google moved to its new headquarters in Mountain View, California, nicknamed the Googleplex.  In August 2015, Google announced plans to reorganize its various interests as a conglomerate called Alphabet Inc. Google, Alphabet's leading subsidiary, will continue to be the umbrella company for Alphabet's Internet interests.  Upon completion of the restructure, Sundar Pichai was appointed CEO of Google; he replaced Larry Page, who became CEO of Alphabet.

Ros Simmons: Ros Simmons is a British businesswoman.  She was the CEO of Vie at Home, a company for which she worked since it was launched in 1997, starting out as Marketing Director.  In late 2008, Simmons successfully led a management buyout of the company, formerly known as Virgin Vie At Home, from Virgin Group.  In December 2010, the company was sold to Helmut Spikker.

Satoru Kikugawa: Satoru Kikugawa (菊川 曉 , Kikugawa Satoru ) (born July 4, 1965), is a Japanese entrepreneur who is the Group CEO of Gala Inc. which is an Internet business company he founded.  Gala Inc. was founded in September 1993 by Kikugawa to create an IT company with the goal of bringing people together from around the world.  While at Keio University, Kikugawa was an avid event planner where he would rent out clubs in Roppongi and students could gather.  Kikugawa called each event a "Gala".  With the expansion of the internet in the early nineties, Kikugawa, inspired by his university events, founded Gala Inc.  The company acts as the headquarters for GALA Group with Kikugawa serving as the Group CEO of Gala Inc. and its Group companies.

Helmut Maucher: Helmut Oswald Maucher (born 9 December 1927) is a German businessman.  He served as the CEO of Nestlé from June 1990 to June 1997.  He joined the company at a young age, completing an apprenticeship at the Nestlé SA factory in Eisenharz, Germany just after finishing high school.  He serves as honorary chairman of Nestlé SA, Vevey, Switzerland, having been elected to that position by the board after relinquishing its chairmanship in May 2000.

Corporate headquarters: Corporate headquarters is the part of a corporate structure that deals with important tasks such as strategic planning, corporate communications, taxes, law, marketing, finance, human resources, and information technology.  Corporate headquarters takes responsibility for the overall success of the corporation and ensures corporate governance.  It is sometimes referred to as the head office, which is the location where the executives of a business work and where many of the key business decisions are made.  Generally, corporate headquarters acts as a core when the business is operating.  The corporate headquarters includes: the CEO (chief executive officer) as a key person and their support staff such as the CEO office and other CEO related functions; the "corporate policy making" functions: Include all corporate functions necessary to steer the firm by defining and establishing corporate policies; the corporate services: Activities that combine or consolidate certain enterprise-wide needed support services, provided based on specialized knowledge, best practices, and technology to serve internal (and sometimes external) customers and business partners; the interface: Reporting line and bi-directional link between corporate headquarters and business units.  Most other divisions and branches report to the corporate headquarters and staff may visit there periodically for training or other instructions" (Kimberly: 2014: 22).  The corporate services are often relocated into a separate legal entity called shared services center.  Research shows that the city in which a company is headquartered has a significant influence on the company's activities, including its business practices and its corporate philanthropic giving.

Turner Broadcasting System: Turner Broadcasting System, Inc. (also known simply as Turner) is an American media conglomerate that is a division of Time Warner and manages the collection of cable television networks and properties initiated or acquired by Ted Turner.  The company was founded in 1970, and merged with Time Warner on October 10, 1996.  It now operates as a semi-autonomous unit of Time Warner.  The company's assets include CNN, HLN, TBS, TNT, Turner Classic Movies, Cartoon Network, Adult Swim, Boomerang and TruTV.  The company's current chairman and CEO is John K. Martin.  The headquarters of Turner's properties are located in both the CNN Center in Downtown Atlanta and the Turner Broadcasting campus off Techwood Drive in Midtown Atlanta, which also houses Turner Studios.  Across Interstate 75/85 from the Techwood campus is the original home of Turner's WTBS superstation (now separated into its TBS cable network and Peachtree TV), which today houses the headquarters of Adult Swim and Williams Street Productions.

Nestlé: Nestlé S.A. is a Swiss transnational food and drink company headquartered in Vevey, Vaud, Switzerland.  It has been the largest food company in the world, measured by revenues and other metrics, for 2014, 2015, and 2016.  It ranked No. 72 on the Fortune Global 500 in 2014 and No. 33 on the 2016 edition of the Forbes Global 2000 list of largest public companies.

Supporting paragraphs: Helmut Maucher Nestlé
Answer: Vevey, Vaud, Switzerland