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Dennis Gillings

Dennis Barry Gillings CBE (born April 1944) is a British-born American billionaire statistician and entrepreneur, the founder and former chairman of Quintiles, a clinical research company.

Dennis Gillings
Born Dennis Barry Gillings
April 1944 (age 74)
Nationality American
Alma mater Exeter University
Occupation statistician and entrepreneur
Known for founder and former chairman of Quintiles
Net worth £1.046 billion (May 2018)[1]
Spouse(s) Joan Gillings (divorced)
Mireille Gingras (m. 2012)


Early lifeEdit

Dennis Barry Gillings was born in April 1944.[2]

He completed a bachelor's degree in 1966, and a PhD in 1972 in mathematics, both at Exeter University.[3]


Gillings was a professor of biostatistics at the University of North Carolina at Chapel Hill.[4]

Gillings is the founder and former chairman of Quintiles, a clinical research company.[5]

In 1994, he took Quintiles public through an IPO.[5]

Quintiles is the "largest global provider of clinical trials and commercial marketing services to the pharmaceutical and biotechnology industry".[4]

In December 2015, Gillings retired as executive chairman of Quintiles, but remains a director.[5]


In 2004, Gillings was made a Commander of the Order of the British Empire for services to the Pharmaceutical industry.[6]

Personal lifeEdit

In 2010, Gillings filed for divorce from his first wife, Joan Gillings, shortly before their 32nd wedding anniversary.[7]

In 2012, he married Mireille Gingras in Hawaii.[8]


  1. ^ "Rich List 2017: #144=, £900 million". The Sunday Times Magazine. 7 May 2017. p. 54. 
  2. ^ "Dennis Barry GILLINGS - Personal Appointments (free information from Companies House)". Retrieved 13 May 2017. 
  3. ^ "The Dennis and Mireille Gillings Foundation donates £1 million for cutting-edge medical research". University of Exeter. Retrieved 29 January 2016. 
  4. ^ a b GHO Capital. "Dennis Gillings, CBE, Ph.D." GHO Capital. Retrieved 13 May 2017. 
  5. ^ a b c "Founder Dennis Gillings to Retire as Quintiles Executive Chairman at Close of 2015 - QuintilesIMS". 5 November 2015. Retrieved 13 May 2017. 
  6. ^ "2004 Birthday Honours". Wikipedia. 2018-04-13. 
  7. ^ "December | Find a Family Law & Divorce Lawyer". 20 December 2010. Retrieved 13 May 2017. 
  8. ^ "Gillings remarries; new bride heads California pharma - Triangle Business Journal". Retrieved 2017-08-01.