Of what nationality are both Dentsply Sirona and Omnicom Group?
Dentsply Sirona Dentsply Sirona is an American dental equipment maker and dental consumables producer that markets its products in over 120 countries (factories in 21 countries). It is a leader in consumable dental products. The present company is largely the result of a merger in 1993 in which Gendex Corporation acquired Dentsply International Inc. for $590 million.
Ralph Robins Sir Ralph Harry Robins FREng (born 16 June 1932), was the CEO of Rolls-Royce. He served 20 years on the board of Rolls-Royce, retiring in 2003 after 10 years as chairman. After retiring from Rolls-Royce, he was appointed a non-executive director of Marshall Group in 2004.