Ole Andreas Halvorsen (born 1961) is a Norwegian-born investor, hedge fund manager, and philanthropist.
 He is the CEO and a co-founder of the Connecticut-based hedge fund, Viking Global Investors.
 Viking had $16.7 billion under management as of April 2012.
 Halvorsen has consistently ranked among the top earning hedge fund managers, placing 11th in Forbes' 2012 rankings and 9th in 2015, according to Institutional Investor's Alpha.
John Douglas Arnold (born 1974) is an American billionaire and former hedge fund manager who specializes in natural gas trading.
 His firm, Centaurus Advisors, LLC, was a Houston-based hedge fund that specialized in trading energy products.
 Arnold announced his retirement from running the hedge fund on May 2, 2012.
Arvind Raghunathan (born October 24, 1963) is a Hedge Fund Manager.
 He is the founder and CEO of Roc Capital Management LP (the largest Hedge Fund launch of 2009).
 On February 25, 2009, it was announced that Raghunathan and his associates would be leaving Deutsche Bank to set up the independent quant trading hedge fund.
 It was rumored in late July 2013 that the main fund of Roc Capital Management would be liquidated after losses.
Louise Linton (born Louise Hay, 21 December 1980) is a Scottish actress.
 She has appeared in films such as "Cabin Fever" and in minor roles in the television series "" and "Cold Case".
 Linton is married to Steven Mnuchin, the current United States Secretary of the Treasury.
Paul Tudor Jones II (born September 28, 1954) is an American investor, hedge fund manager, and philanthropist.
 In 1980, he founded his hedge fund, Tudor Investment Corporation, an asset management firm headquartered in Greenwich, Connecticut.
 Soon after, he created the Tudor Group, a hedge fund holding company that specializes in fixed income, currencies, equities, and commodities.
Samuel Israel III (born July 20, 1959) is an American-born former hedge fund manager for the Bayou Hedge Fund Group, which he founded in 1996.
Steven Terner Mnuchin ( ; born December 21, 1962) is an American banker, film producer, and former hedge fund manager who is the 77th and current United States Secretary of the Treasury under the Trump administration.
Cody Willard (born August 31, 1972 in Ruidoso, New Mexico), is an American investor, television anchor and former hedge fund manager.
 He was the founder of CL Willard Capital, a hedge fund which he closed in 2007.
Alfred Winslow Jones (9 September 1900 – 2 June 1989) was an Australian investor, hedge fund manager, and sociologist.
 He is credited with forming the first modern hedge fund and is widely regarded as the "father of the hedge fund industry."
Raj Rajaratnam (Tamil: ராஜ் ராஜரத்தினம் ; born Rajakumaran Rajaratnam; June 15, 1957) is a Sri Lankan-American former hedge fund manager and billionaire founder of the Galleon Group, a New York-based hedge fund management firm.
 On October 16, 2009, he was arrested by the FBI for insider trading, which also caused the Galleon Group to fold.
 He stood trial in "U.S. v Rajaratnam" (09 Cr.
 01184) in the United States District Court for the Southern District of New York, and on May 11, 2011 was found guilty on all 14 counts of conspiracy and securities fraud.
 On October 13, 2011, Rajaratnam was sentenced to 11 years in prison and fined a criminal and civil penalty of over $150 million combined.

Question: Under which administration is this American banker, film producer, and former hedge fund manager who is currently married to Louise Linton U. S. Secretary of the Treasury?
Answer: Trump administration