Robert Crouch Kinney (July 4, 1813 – March 2, 1875) was an American businessman and politician in what became the state of Oregon.
 A native of Illinois, he helped found Muscatine, Iowa, before crossing the Oregon Trail and settling in what became Oregon.
 In Oregon he was a prominent businessman in the milling business and served in the Oregon Territorial Legislature before being a member of the Oregon Constitutional Convention.
Robert Wood "General" Johnson II (April 4, 1893 – January 30, 1968) was an American businessman.
 He was one of the sons of Robert Wood Johnson I, the co-founder of Johnson & Johnson.
 He turned the family business into one of the world's largest healthcare corporations.
Robert Mehrabian (born July 31, 1941, in Tehran, Iran) is an Iranian-American materials scientist and the Chair, President, and Chief Executive Officer of Teledyne Technologies Incorporated.
 During the 1990s he served as the seventh President of Carnegie Mellon University in Pittsburgh, Pennsylvania, United States.
Bob Shaheen (born 1933 as Robert A. Shaheen) is a retired American businessman of Syrian descent who worked in Saudi Arabia starting in the early 1960s.
 Born in Canton, Ohio, Shaheen was employed as a high-ranking officer in operations owned by Adnan Khashoggi, a Saudi Arabian businessman involved in the international arms trade, representing Lockheed, Northrup, and Raytheon—United States defense systems contractors.
David Tisch (born 1981) is a businessman and angel investor based in New York City.
 He is managing partner of BoxGroup, a seed-stage capital firm, and a co-founder of TechStars New York City.
 He is the grandson of American businessman Laurence Tisch, co-owner of Loews Corporation.
 His great-uncle, Preston Robert Tisch purchased the New York Giants, now co-owned by Steve Tisch, who produced the films "Forrest Gump" and "Risky Business".
Robert B. Sanderson (1825 – June 18, 1887) was an American businessman, farmer, rancher and politician from Columbia County, Wisconsin who represented part or all of Columbia County in the Wisconsin State Assembly and the Wisconsin State Senate at various times in the 1860s, before moving to Texas and becoming a prominent businessman in Tom Green County.
Travis M. Kerr (July 28, 1902 – June 7, 1970) was an American businessman in Oklahoma City and a Thoroughbred racehorse owner.
 Involved in the oil and uranium business, he was the younger brother of Oklahoma businessman and Senator, Robert S. Kerr.
 
Mark Robert Warner (born December 15, 1954) is an American businessman, politician, and the senior United States Senator from Virginia and a former governor.
 He is a member of the Democratic Party and now serves as the vice chair of both the Senate Democratic Caucus and the Senate Intelligence Committee.
Mark S. Hoplamazian is an American businessman, who is the President and CEO of Hyatt Hotels Corporation.
 He received his A.B. in economics from Harvard College, and his M.B.A. from the University of Chicago Booth School of Business.
An Optimist’s Tour of the Future: One Curious Man Sets Out to Answer “What’s Next?'
 is a 2011 non-fiction book by London-based British author, comedian and businessman Mark Stevenson.
 The book was released in January of that year in the United Kingdom and in February in the United States.

Question: Who one is an American businessman Mark Hoplamazian or Robert Mehrabian?
Answer: Robert Mehrabian