Melissa Doyle and David Koch during "Dancing with the Stars" Celebrities Appear on Channel 7's "Sunrise" - February 15, 2006 at Channel 7 Sydney in...
David H. Koch attends The School Of American Ballet's 2017 Winter Ball at David H. Koch Theater at Lincoln Center on March 6, 2017 in New York City.
David H. Koch attends the Lincoln Center Spring Gala at Alice Tully Hall on May 2, 2017 in New York City.
Power President David Koch speaks to the media during an AFL announcement at The Chinese Museum Melbourne on October 26, 2016 in Melbourne, Australia.
Portrait of David Koch, businessman, philanthropist, political activist and chemical engineer in his apartment. New York City, New York. July 14,...
Bill and David Koch attend the Lincoln Center Spring Gala at Alice Tully Hall on May 2, 2017 in New York City.
Portrait of David Koch, businessman, philanthropist, political activist and chemical engineer in his apartment. New York City, New York. July 14,...
David Koch, Chairman of the Power and Tony Cochrane, Chairman of the Suns pose for a photograph with the 2017 Shanghai Cup during the Port Adelaide...
David Koch arrives at the "Monsters Vs Aliens" Australian Premiere at the Greater Union George Street on March 5, 2009 in Sydney, Australia.
David Koch attends the "China: Through The Looking Glass" Costume Institute Benefit Gala at Metropolitan Museum of Art on May 4, 2015 in New York...
Co-hosts of 'Sunrise' Melissa Doyle and David Koch pose during a Greater Western Sydney Giants AFL media opportunity to promote the upcoming AFL...
Julia Koch and David Koch attend the opening night celebration of the New York City Ballet at David H. Koch Theater, Lincoln Center on November 25,...
Natalie Barr, Samantha Armytage, David Koch and Mark Beretta are seen on set during a Sunrise filming at Palm Beach on March 2, 2016 in Sydney,...
Adrienne Arsht and David H. Koch attend the Lincoln Center Spring Gala at Alice Tully Hall on May 2, 2017 in New York City.
Julia Koch and David Koch attend The School of American Ballet's 2017 Winter Ball at David H. Koch Theatre on March 6, 2017 in New York City.
David Koch attends The School of American Ballet's 2017 Winter Ball at David H. Koch Theatre on March 6, 2017 in New York City.
Businessman David Koch and wife Julia are photographed with children for House & Garden Magazine on February 1, 2004 in Palm Beach, Florida..
Seven Network Sunrise team Mark Beretta, David Koch, Natalie Barr and Samantha Armytage pose with the Melbourne Cup trophy during the Melbourne Cup...
Seven Network Sunrise team Mark Beretta, David Koch, Natalie Barr and Samantha Armytage pose with the Melbourne Cup trophy during the Melbourne Cup...
Host of 'Sunrise' and Port Adelaide Power Chairman David Koch speaks to the media during a Greater Western Sydney Giants AFL media opportunity to...
David Koch and Julia Koch attends the 6th annual Society of Memorial Sloan-Kettering Cancer Center Spring Ball at the Metropolitan Museum of Art on...
Philanthropist David H. Koch and wife Julia Koch stand in the future site of the new David H. Koch Plaza during the Fifth Avenue Plaza Groundbreaking...
David Koch and Kerry McCabe during May Day Charity Function at The Establishment in Sydney, Australia.
Eric Bana with hosts Melissa Doyle and David Koch during Eric Bana Visits "Sunrise" - May 30, 2007 at Channel 7 in Sydney, NSW, Australia.
David Koch attends The School Of American Ballet's 2017 Winter Ball at David H. Koch Theater at Lincoln Center on March 6, 2017 in New York City.
Honorees Bobby Murphy and Evan Spiegel, Rupert Murdoch, and honoree David H. Koch attend the TIME 100 Gala, TIME's 100 most influential people in the...
Television personalities David Koch and Samantha Armytage pose during an Australian Olympic Fundraising Dinner at Star City on August 5, 2015 in...
Television personalities David Koch and Samantha Armytage pose during an Australian Olympic Fundraising Dinner at Star City on August 5, 2015 in...
David H. Koch attends The School of American Ballet 2015 Winter Ball at David H. Koch Theater at Lincoln Center on March 9, 2015 in New York City.
BBusinessman David Koch and wife Julia are photographed for Vanity Fair Magazine on February 23, 2003 in Palm Beach, Florida.