Question: Deanna M. Mulligan is the president and CEO of a company that was founded in what year?

Context paragraphs:
The Guardian Life Insurance Company of America: The Guardian Life Insurance Company of America is one of the largest mutual life insurance companies in the United States.  Based in New York, New York, it has approximately 8,000 employees in the United States and a network of over 3,000 financial representatives in more than 70 agencies nationwide.  It currently ranks 254th on the Fortune 500 list of largest corporation in the United States.  In 2015, Guardian achieved the highest earning in its 155-year history with $7.3 billion in capital and $1.5 billion in operating costs.  Founded in Manhattan in 1860, the company offers a wide range of insurance products and services, including life insurance, disability income insurance, annuities, investments, dental, and vision.

Deanna M. Mulligan: Deanna M. Mulligan (born 1963) is the president and CEO of the The Guardian Life Insurance Company of America, a Fortune 300 company, and one of the largest mutual life insurance companies in the US.

Josh Strickland: Joshua Strickland (born October 23, 1983) is an American singer and actor from Charleston, South Carolina.  He attended high school at the Charleston County School of the Arts and graduated from Middleton High School in Charleston.  He attended the College of Charleston, where he studied voice with Deanna McBroom.  During 5th grade Josh was "discovered" by teacher and Producer/Founder/CEO of The Charleston Youth Company, Chuck Long.  He performed with this company for 8 years receiving drama, voice, and dance instruction.  This company has been serving the talented students since 1978.

LC Singh: LC Singh is the Vice Chairman and CEO of Nihilent Technologies Ltd. , a global integrated change management company headquartered at Pune, India.  Singh founded Nihilent in the year 2000.  Singh is an alumnus of the Institute of Technology (Banaras Hindu University) ,Varanasi] and Harvard Business School, and has contributed significantly towards building the Indian IT brand worldwide.  Singh performed key roles at Tata Consultancy Services (TCS).  At the time of leaving the company, he was the Senior Vice President, in charge of operations for UK, South Africa and the Middle East.  He briefly worked with Zensar Technologies as President and CEO.  He is the author of Nihilent's patented change management framework MC³ and 14Signals (a patented framework on Customer Loyalty Evaluation).  He is an internationally internationally recognized thought leader on design & systems thinking, and is an invited speaker at global conferences on Design Thinking, Change Management, and Digital Disruption.  Singh is a Fellow of The Institute of Management Consultants of India (IMCI) and Computer Society of India (CSI).  He scripted and produced the movie Banaras, A mystic love story.  He continues to be a student of ontology and epistemology

Ernst Lieb: Ernst Lieb assumed the roles of President and CEO of Mercedes-Benz USA on September 1, 2006, replacing Paul Halata.  He was removed from the position, effective immediately, on October 18, 2011 for spending more than $US100,000 of company money to upgrade his American home which was owned by Mercedes at the time.  Lieb sued the company in Germany for wrongful dismissal, but lost the case.  He returned to Australia and became a part owner of a company called Motorworld, which owns Jeep-Chrysler dealerships.  He had previously been President and CEO of DaimlerChrysler's Australia & Pacific division.  Prior to his role in Australia, he had been President and CEO of Mercedes-Benz Canada since July 1, 1995.  He has a long history with Mercedes-Benz, starting in 1975 as a spare-parts specialist.

John Donahoe: John Joseph Donahoe II (born April 30, 1960) is an American businessman who served as president and CEO of eBay from March 31, 2008 to July 2015.  Early in his career he worked for Bain & Company, becoming the firm's president and CEO in 1999.  He is currently a member of the President's Export Council, and serves on the Boards of Directors of both eBay Inc. and Intel Corp.  He also serves as chairman of PayPal.  Donahoe was named president and CEO of ServiceNow, a cloud company, in February of 2017.

Markus Giebel: Markus Alexander Giebel (born 29 September 1966) is the CEO of Insight Plus (www.insight.ae), an investment company active in real estate, financial services, healthcare and consulting.  He is also the co-owner and Chairman of Eternity Clinics (www.eternityclinics.com) a healthcare company revolutionizing the traditional model of diagnostic healthcare with the invention and introduction of a new health screening software.  Markus serves on multiple Boards of Directors, including Insight Plus, Soliton Holding, Eternity Clinics, CiTC and MSS.  He holds a Master's Degree in Business from SBS in Switzerland and a Master's Degree in Mechanical Engineering from the University of Munich in Germany.  He was also known to be the CEO of Deyaar Development PJSC (a publicly traded real estate company), and was a Senior Executive and the youngest ever Vice President of Corning, a Fortune 500 company in the United States.  Markus has received several awards, including the Middle East CEO Award, the Leadership award, HIMSS Innovation award, SME Award, Enterprise Asia Award, Inventor of the Year Award and others.  He has more than 20 patents in his name which are primarily focused in the optical technology sector.

The Pantry: The Pantry, Inc. (NASDAQ: PTRY ) was a publicly traded convenience store chain based in Cary, North Carolina that operates Kangaroo Express stores.  The Pantry was founded in 1967 by Sam Wornom and Truby Proctor, Jr.  The company has been publicly traded since June 1999 and owned by investors since 1987, when then investor Montrose Capital purchased controlling shares from Wornom and Proctor.  Recent CEOs have included the former Chairman of the Board and interim CEO Edwin J. Holman, who took over after Terrance M. Marks, the former President and CEO, resigned in December 2011.  (Marks had replaced the longtime former CEO Peter Sodini who had held office since 1996 until retiring in September 2009.)  Dennis Hatchell is the current CEO of the company as of 2012.

For the Love of Mary: For the Love of Mary is a 1948 American romantic comedy film directed by Frederick de Cordova and starring Deanna Durbin, Edmond O'Brien, Don Taylor, and Jeffrey Lynn.  Written by Oscar Brodney, the film is about a young woman who takes a job at the White House as a switchboard operator and soon receives help with her love life from Supreme Court justices and the President of the United States.  "For the Love of Mary" was the last film by Deanna Durbin, who withdrew from the entertainment business the following year to live a private life in France.

Tom Coleman (film producer): Tom Coleman, also credited as Thomas J. Coleman and T. Joseph Coleman, founded the Atlantic Entertainment Group, private independent film and television company, in 1975 and served as its president.  He became chairman and CEO of Prism Entertainment when the company merged with Atlantic in 1988.  Coleman was chairman of Independent Entertainment Group.  Rocket Pictures, an indie production company, was founded by Coleman in 1992.  He is an Executive member of the Academy of Motion Picture Arts and Sciences, and an industry consultant for the Zurich Consulting Group based in Switzerland.  In July 2001, he became CEO, President and director of Sun Network Group.  Coleman is the Lead Producer of the musical “ModRock.”  Under his nom de plume, Hagan Thomas-Jones, Coleman is a member of the Dramatists Guild.  Tom is currently CEO of Innovativ Media Group, a developer, producer and distributor of multi-media content.  It has acquired many of the assets of Lux Digital Pictures including a library of feature motion pictures and, via New Broadway Cinema, produces adaptations of stage shows utilizing its trademarked DigiTheater™ virtual reality process.  Innovativ also operates The Alien Channel on YouTube, in partnership with FullScreen, Inc., is developing the new web series Just Smart People, the customized movie title search destination VOD Movie Guide and is a principal in the Film Finance Exchange.

Supporting paragraphs: Deanna M. Mulligan The Guardian Life Insurance Company of America
Answer: 1860