Yes you can. Examples: Carlos Ghosn is CEO of Nissan and Renault (http://en.wikipedia.org/wiki/Carlos_Ghosn) and Elon Musk is CEO of SpaceX and Tesla Motors (http://en.wikipedia.org/wiki/Elon_Musk).
Carlosh Ghosn is a Brazilian born businessman that is most known for his position as CEO at the Nissan car manufacturing company. He is also a chairman of the company "Renault" that is based in Paris, France.
Renault Clio Renault Sport was created in 1999.
Renault Mégane Renault Sport was created in 2004.
CEO
"President and CEO"
The Deputy CEO is the person who stands in if the CEO is absent.
Renault's population is 128,322.
Microsoft (satya nadella) Nokia (CEO rajeev suri) Toyota (CEO Akio Toyoda) Intel (CEO Brain Krzanich) Coca Cola (CEO muhtar kent) Sony (CEO kazuo hirai) IBM (CEO Ginni rometty) general motors (ceo mary T.Barra ) General Electric (CEO Jeffery Immelt) Nike (CEO Mark Parker) Citigroup (CEO michael corbat) Hewlett-Packard (CEO meg Whitman) Samsung (CEO Dr.oh-Hyun Kwon) Oracle (CEO Larry Ellison) Cisco (CEO John T.Chambers) Epson (CEO john Lang) Logitech (CEObracken P.Darrell) Canon (CEO Fujio Mitarai) Dell (CEO Michael S. Dell) LG Electronics (CEO Bon-moo Koo) Acer (CEO jason chen )
Yes, a company may choose an internal or external candidate to replace a CEO. The deputy CEO is one of the possible internal choices for CEO.
renault
Nissan is a subsidiary of Renault.