What key details about stefano pessina  can be extracted from the following bio?  Bio: stefano pessina -lrb- born 1941 -rrb- is an italian-born monegasque billionaire businessman and the single largest shareholder in walgreens boots alliance . stefano pessina is executive vice chairman and chief executive officer of walgreens boots alliance .
A:
- title is executive boots alliance vice chairman and chief executive officer of walgreens- years active is 1966 -- present- caption is stefano pessina , 2010- term is 2015 -- present- spouse is barbara pessina ornella barra- occupation is businessman- net worth is us- birth date is 4 june 1941- children is 2- name is stefano pessina- nationality is monegasque- image is stefano pessina bluebackground.jpg- birth place is pescara , italy- boards is he boots alliance serves on the board of directors at walgreens- alma mater is polytechnic university of milan