Dan Duncan

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Dan Duncan
Dan Duncan podium2 PET2007.JPG
Born (1933-01-02)January 2, 1933
Shelby County, Texas
Died March 28, 2010(2010-03-28) (aged 77)
River Oaks, Houston
Known for co-founder, chairman and majority shareholder of Enterprise Products
Spouse(s) Jan Ellis
Children Randa Duncan Williams
Milane Duncan Frantz
Dannine Duncan Avara
Scott Duncan
Awards Petrochemical Heritage Award

Dan L. Duncan (January 2, 1933 – March 28, 2010) was an American born in Center, Texas.[2][3] He was the co-founder, chairman and majority shareholder of Enterprise Products.

Early life and education[edit]

Duncan was born in 1933 in rural Shelby County, Texas.[4] His father was a farmer.[4] His mother died of tuberculosis when he was seven[4] and his brother died of blood poisoning in the same year.[5] He lived with his grandmother until he graduated from Shelbyville High School.[5] He joined his father as a pipeliner and roughneck in the oil and gas fields. Soon after his father also died of leukemia. Duncan served in the U.S. Army during the Korean War and when he returned in 1955, using the G.I. Bill, he studied business, finance and accounting[4] at Massey Business College in Houston while also working at the U.S. Post Office.[5]


Dan L. Duncan with the Petrochemical Heritage Award, 2007

In 1957, he went to work for Wanda Petroleum,[5] a midstream pipeline company[4] In 1968, he left Wanda, and with $10,000 and two propane delivery trucks, helped found Enterprise Products Co.[5] In 1998, he took Enterprise Products Partners LP public.[6] In 2010, Enterprise owned over 48,700 miles of onshore and offshore pipelines and nearly 220 million barrel equivalents of natural gas and natural gas liquids of storage capacity.[7] He also headed mid-stream energy firms Duncan Energy Partners LP (NYSE: DEP) and Enterprise GP Holdings LP (NYSE: EPE).[6] In 2007, he received the Petrochemical Heritage Award in recognition of his work.[8][9]


Duncan donated $75 million to Texas Children's Hospital and the Houston Museum of Natural Science, as well as $135 million to Baylor College of Medicine.[10] Duncan donated a sculpture by Jean Dubuffet named "Monument au Fantóme" to Discovery Green Park near the George R. Brown Convention Center.

Hunting activities[edit]

Duncan owned the Double D Ranch, a 5,000-acre (20 km2) hunting property in Texas.[11] Duncan was a Safari Club International member who has been given numerous awards for his hunting trophies. In 2006, he received the SCI World Conservation Hunting Award, which requires a hunter to have hunted on six continents, and have received SCI's 13 "Grand Slam" awards, 22 "Inner Circle" awards, the Fourth Pinnacle of Achievement Award and the Crowning Achievement Award. Duncan has 407 entries in SCI's trophy record book, including records for killing lions, elephants, rhinoceroses, a polar bear, and other animals.[12]

On July 18, 2007, Duncan voluntarily appeared before a grand jury in Houston. He answered questions regarding a hunt in Russia in 2002 in which he shot and killed a moose and a wild sheep from a helicopter, which is illegal under Russian law. He admitted to his actions, but said that he did not know that his actions were illegal. His attorney said on September 12, 2007 that a grand jury had declined to bring charges against Duncan and other hunters who had been on the trip.[13]


According to Forbes magazine, in 2007, Duncan was the richest person in the city of Houston and the 3rd richest person in Texas, with a net worth of 8.2 billion dollars (according to page 46 in the October 27, 2008 issue of Forbes, Duncan's net worth dropped from 7.6 billion on Aug 29th to 6.3 billion on October 1) .[14] He was worth 9.0 billion at the time of his death.

Personal life[edit]

Duncan was married to Jan Ellis.[15] He is survived by four children, each of whom is now a billionaire:[16] Randa Duncan Williams (born 1962),[17] Milane Duncan Frantz (born 1970),[18] Dannine Duncan Avara (born 1974),[19] and Scott Duncan (born 1983).[20]

Duncan died aged 77 of a cerebral hemorrhage at his River Oaks, Houston home on March 28, 2010.[21] Due to the repeal of the estate tax law for the year 2010, Duncan became the first American billionaire to pay no estate tax since its enactment.[22]

See also[edit]


  1. ^ http://www.legacy.com/obituaries/houstonchronicle/obituary.aspx?pid=141345347
  2. ^ Houston energy tycoon Dan Duncan dead at 77
  3. ^ From Roughneck Origins To Texas Oil Billionaire
  4. ^ a b c d e Oil & Gas Financial Journal: "Champion philanthropist Dan L. Duncan remembered" by Mikaila Adams May 1, 2010
  5. ^ a b c d e Houston Chronicle: "DAN L. DUNCAN Obituary" retrieved July 27, 2013
  6. ^ a b Houston Business Journal: "Dan Duncan dies at 77" by Casey Wooten March 29, 2010
  7. ^ Houston Chronicle: "Duncan, energy magnate and philanthropist, dies at 77 - OBITUARY - Houston's richest man known for big deals, philanthropy" By Todd Ackerman March 29, 2010
  8. ^ "Duncan Wins Petrochemical Heritage Award" (PDF). IHS Chemical Week. March 27, 2007. p. 1. Archived from the original (PDF) on 29 October 2014. Retrieved 28 October 2014. 
  9. ^ "Petrochemical Heritage Award". Science History Institute. Retrieved 24 March 2018. 
  10. ^ Downtown art landmark donated to new city park
  11. ^ The Houston Chronicle, "Houston tycoon finds himself in the cross hairs," July 19, 2007.
  12. ^ Safari Club International, Record Book, www.safariclub.org
  13. ^ The Houston Chronicle, "Houston tycoon finds himself in the cross hairs," July 19, 2007 and The Houston Chronicle, "Tycoon's hunting guide indicted over alleged importing violations," September 12, 2007.
  14. ^ The World's Billionaires – Forbes.com
  15. ^ Baylor College of Medicine Solutions Magazine: "From Center to Center" by Deborah Fiorito Archived 2010-06-06 at the Wayback Machine. Sping 2006
  16. ^ Dan L. Duncan, oil billionaire, dies at 77
  17. ^ Forbes The World's Billionaires - Randa Williams March 2013
  18. ^ Forbes The World's Billionaires - Milane Frantz March 2013
  19. ^ Forbes The World's Billionaires - Dannine Avara March 2013
  20. ^ Forbes The World's Billionaires - Scott Duncan March 2013
  21. ^ Billionaire Dan Duncan dies unexpectedly at his home
  22. ^ New York Times: "Legacy for One Billionaire: Death, but No Taxes" By DAVID KOCIENIEWSKI June 8, 2010

External links[edit]