Question: What does the company abbreviation stand for, who's former hairman and CEO is an American businessman,and  investment banker?

full_context: Document 1: Commercial National Financial: Commercial National Financial Corporation is a registered financial holding company under the Bank Holding Company Act of 1956 as amended. The company wholly owns Commercial Bank & Trust of PA under the Bank Holding Company Act. The company’s principal business is the operation of Commercial Bank & Trust of PA, which offers various commercial banking and trust services including offering deposit services, providing financial counseling, investing and extending credit. Commercial National Financial Corporation uses CNAF as the trading symbol on the OTCQB tier of the OTC Markets.
Document 2: John Thain: John Alexander Thain (born May 26, 1955) is an American businessman, investment banker, and former chairman and CEO of the CIT Group.
Document 3: Trust Company of America: The American Trust Company was a large company in New York City. Founded in May 23, 1899 in Albany, New York, its founding president was Ashbel P. Fitch and it was initially located in the Singer Building in Manhattan's Financial District. In 1907 the company absorbed the Colonial Trust Company, a commercial bank. It later survived the Panic of 1907 when it was the target of a bank run starting on Wednesday, October 23, 1907. It survived, with the backing of J. Pierpont Morgan and an infusion of gold from the Bank of England and other European sources. The company ultimately represented a consolidation of the North American Trust Company, the former Trust Company of America, the City Trust Company and the Colonial Trust Company. The Trust Company of America was absorbed by the Equitable Trust Company in the spring of 1912.
Document 4: National City Corp.: National City Corporation was a regional bank holding company based in Cleveland, Ohio, USA, founded in 1845; it was once one of the ten largest banks in America in terms of deposits, mortgages and home equity lines of credit. Subsidiary National City Mortgage is credited for doing the first mortgage in America. The company operated through an extensive banking network primarily in Ohio, Illinois, Indiana, Kentucky, Michigan, Missouri, Pennsylvania, Florida, and Wisconsin, and also served customers in selected markets nationally. Its core businesses included commercial and retail banking, mortgage financing and servicing, consumer finance, and asset management. The bank reached out to customers primarily through mass advertising and offered comprehensive banking services online. In its last years, the company was commonly known in the media by the abbreviated NatCity, with its investment banking arm even bearing the official name NatCity Investments.
Document 5: Citibank India: Citibank India is an Indian private sector bank headquartered in Mumbai, Maharashtra. It is a subsidiary of Citigroup, a multinational financial services corporation headquartered in New York City, United States. The Indian Headquarters are at Bandra Kurla Complex, a hub for multinational corporations in Mumbai.
Document 6: John Coates (businessman): John Fitzgerald Coates (born January 1970), is an English businessman and joint chief executive (CEO) of online gambling company Bet365. He has been listed in the "Forbes" magazine’s 29th annual rich list, with an estimated personal fortune of $1.3 billion (roughly £850 million).
Document 7: Oakleigh Thorne: W.O.S. Thorne, more generally known as Oakleigh Thorne (July 31, 1866 − May 23, 1948), was an American businessperson, a publisher of tax guides, a banker, and a philanthropist. Among his early ventures were the consolidation of brickyards on the Hudson River, and later he was president of the National Switch and Signal Company and Westinghouse Electric's vice president. In 1900 he came to New York City as vice president of the International Banking and Trust Company, becoming president. That company became the Trust Company of America, of which Thorne was serving as president. He helped the company survive a bank run during the Panic of 1907, securing the backing of J. Pierpont Morgan and European sources. He served as a director of Wells Fargo & Company from 1902 to 1918. In addition to his connection with Commerce Clearing House, Wells Fargo, and the Trust Company of America, Thorne was a director of the Corporation Trust Company and of the Bank of Millbrook. After purchasing Briarcliff Farms in 1918, he became a breeder of champion Angus cattle. He was inducted into the Angus Heritage Foundation Hall of Fame in 1934.
Document 8: John Thayer (cricketer): John Borland Thayer II (April 21, 1862April 15, 1912) was an American businessman who had a thirty-year career as an executive with the Pennsylvania Railroad Company. He was a director and second vice-president of the company when he died a week before his 50th birthday in the sinking of the RMS "Titanic", on April 15, 1912. In his youth, Thayer was also a prominent sportsman, playing baseball and lacrosse for the University of Pennsylvania and first-class cricket for the Philadelphian cricket team. He is the only first-class cricketer known to have died aboard "Titanic".
Document 9: Johnson Financial Group: Johnson Financial Group, Inc is the holding company of Johnson Bank, Johnson Insurance, as well as Swiss banking company; Banque Franck, Galland & Cie. It has an estimated AUM of $4 billion and is the financial services subsidiary of the larger Johnson Family Enterprises Group of Companies. The company was founded in 1970 but wasn't incorporated until 1989 and has grown from a single bank holding company to a global organization providing a full range of financial services to businesses and individuals. Johnson Financial Group employs 1100 people and has over 40 locations in Wisconsin and Arizona. Helen Johnson-Leipold, one of Samuel Curtis Johnson Jr.'s 4 children, serves as chairman of the company. The company also had equity in Cayman Island-based TransOcean Bank & Trust, Ltd.
Document 10: John W. Snow: John William Snow (born August 2, 1939) is the former CEO of CSX Corporation, and served as the 73rd United States Secretary of the Treasury under U.S. President George W. Bush. He replaced Secretary Paul O'Neill on February 3, 2003 and was succeeded by Henry Paulson on July 3, 2006, in a move that had been anticipated. Snow submitted a letter of resignation on May 30, 2006, effective "after an orderly transition period for my successor." Snow announced on June 29, 2006 that he had completed his last day on the job; Robert Kimmitt served as acting secretary until Paulson was sworn in.
Document 11: Walter Wriston: Walter Bigelow Wriston (August 3, 1919 – January 19, 2005) was a banker and former chairman and CEO of Citicorp. As chief executive of Citibank / Citicorp (later Citigroup) from 1967 to 1984, Wriston was widely regarded as the single most influential commercial banker of his time. During his tenure as CEO, the bank introduced, among other innovations, automated teller machines, interstate banking, the negotiable certificate of deposit, and "pursued the credit card business in a way that no other bank was doing at the time". With then New York Governor Hugh Carey and investment banker Felix Rohatyn, Wriston helped save New York City from bankruptcy in the mid-1970s by setting up the Financial Control Board and the Municipal Assistance Corporation, and persuading the city's union pension funds and banks to buy the latter corporation's bonds.
Document 12: CIT Group: CIT Group Inc. is a financial holding company founded in 1908 headquartered in New York City. The company's name is an abbreviation of an early corporate name, Commercial Investment Trust. It provides financing and leasing capital to customers in over 30 industries. CIT also operates CIT Bank, an FDIC insured bank, its primary bank subsidiary.
Document 13: ICICI Bank: ICICI Bank, stands for Industrial Credit and Investment Corporation of India, is an Indian multinational banking and financial services company headquartered in Mumbai, Maharashtra, India, with its registered office in Vadodara. In 2014, it was the second largest bank in India in terms of assets and third in term of market capitalisation. It offers a wide range of banking products and financial services for corporate and retail customers through a variety of delivery channels and specialised subsidiaries in the areas of investment banking, life, non-life insurance, venture capital and asset management. The bank has a network of 4,850 branches and 14,404 ATMs in India, and has a presence in 19 countries including India.
Document 14: John Hailer: John Thomas Hailer (born 1960) is an American financial services executive, who recently retired in April 2017 as President and Chief Executive Officer of Natixis Global Asset Management – The Americas & Asia. Natixis Global Asset Management, also known as NGAM, is a subsidiary of Natixis, a French bank.
Document 15: Citibank: Citibank is the consumer division of financial services multinational Citigroup. Citibank was founded in 1812 as the "City Bank of New York", later "First National City Bank of New York". Citibank provides credit cards, mortgages, personal loans, commercial loans, and lines of credit.
ground_truth: Commercial Investment Trust