Question: Jerry York was the former CFO of which "Big Three" American automobile manufacturer?

Context paragraphs:
American automobile industry in the 1950s: The 1950s were pivotal for the American automobile industry.  The post-World War II era brought a wide range of new technologies to the automobile consumer, and a host of problems for the independent automobile manufacturers.  The industry was maturing in an era of rapid technological change; mass production and the benefits from economies of scale led to innovative designs and greater profits, but stiff competition between the automakers.  By the end of the decade, the industry had reshaped itself into the Big Three, Studebaker, and AMC.  The age of small independent automakers was nearly over, as most of them either consolidated or went out of business.

Packard Model G: Packard Model G is a two cylinder car built in 1902 by the former American automobile manufacturer Ohio Automobile Company that changed name to Packard Motor Car Company in October, 1902.

Chrysler: FCA US LLC (also called Fiat Chrysler or Chrysler) ( ) is the American subsidiary of Fiat Chrysler Automobiles N.V., an Italian controlled automobile manufacturer registered in the Netherlands with headquarters in London, U.K., for tax purposes.  FCA US is one of the "Big Three" American automobile manufacturers.  FCA US has its headquarters in Auburn Hills, Michigan and sells vehicles worldwide under its flagship Chrysler brand, as well as the Dodge, Jeep, and Ram Trucks.  Other major divisions include Mopar, its automotive parts and accessories division, and SRT, its performance automobile division.

Wan Ling Martello: Wan Ling Martello (1958, Philippines) is the current Executive Vice President and Head of the Asia Zone, and former CFO of Nestle, the world's largest food company.  She succeeded Jim Singh, executive vice president and CFO, who retired in March, 2012, and preceded François-Xavier Roger.  Martello is an American citizen of Chinese and Filipino heritage.

Detroit Automobile Company: The Detroit Automobile Company (DAC) was an early American automobile manufacturer founded on August 5, 1899, in Detroit, Michigan.  It was the first venture of its kind in Detroit.  Automotive mechanic Henry Ford attracted the financial backing of three investors; Detroit Mayor William Maybury, William H. Murphy, and Senator Thomas W. Palmer.  As with many early car ventures, the company floundered and was dissolved in January 1901.  Twenty vehicles were built and $86,000 ($2.11 million in 2007) of investment was lost.

Jerry York (businessman): Jerome Bailey York (June 22, 1938 – March 18, 2010), commonly known as Jerry York, was an American businessman, and the Chairman, President and CEO of Harwinton Capital.  He was the former CFO of IBM and Chrysler, and was CEO of Micro Warehouse.  He was a chief aide to Kirk Kerkorian and his Tracinda investment company.  In February 2006, Kerkorian helped elect York to the board of directors of General Motors, from which he had previously resigned.

Coey-Mitchell Automobile Company: The Coey-Mitchell Automobile Company was an American automobile manufacturer that built the Coey automobiles and operated a chain of American Driving Schools from 1913 to 1917 and was headquartered in Chicago, Illinois.  The company was founded under the name Coey-Mitchell Automobile Company by Charles A. Coey.  The Coey family and their name come from Northern Ireland, where one still finds this name, for example in Comber.

Schaeffer &amp; Long: Is an American automobile restoration specializing in classic and historical vehicles.  It is owned by Fred Hoch, the owner of the historic American sports car automobile manufacturer Mercer (automobile) Company.

Charles Williams Nash: Charles Williams Nash (January 28, 1864 – June 6, 1948) was an American automobile entrepreneur who served as an executive in the automotive industry.  He played a major role in building up General Motors.  In 1916, he bought Thomas B. Jeffery Company, makers of the popular Rambler automobile, renamed it Nash Motors, and played an independent role in an automobile industry increasingly dominated by the Big Three: General Motors, Ford, and Chrysler.  His profits came from focusing on one well-designed car in the upper medium price range.  He bought several distressed companies in Wisconsin, merging them and installing advanced managerial accounting procedures while cutting costs and focusing on long-term growth.  He retired as president in 1932 but remained chairman of the board.  His major acquisition was the merger in 1937 with the Kelvinator Company, which made refrigerators.  During World War II, Nash-Kelvinator greatly expanded to manufacture aircraft engines and parts.

Alexander Trotman, Baron Trotman: Alexander James Trotman, Baron Trotman (22 July 1933 – 25 April 2005) was an English-born businessman who served as the CEO of Ford Motor Company from 1993 to 1998.  Trotman was the first foreign-born chairman and CEO of an Big Three American automobile manufacturer.

Supporting paragraphs: Jerry York (businessman) Chrysler
Answer: Chrysler