I think this is nonsense. His LinkedIn page lists:
Experience
Company Name
Merck
Total Duration
5 yrs 9 mos
Title
Research Scientific Director
Dates Employed
May 2018 – Present
Employment Duration
1 yr 5 mos
Location
Weston, FL
Title
Director, Scientific Affairs - Hematology Strategy and Training
Dates Employed
Jan 2017 – May 2018
Employment Duration
1 yr 5 mos
Location
Weston, FL
Title
Oncology Scientific Director
Dates Employed
Jan 2014 – Jan 2017
Employment Duration
3 yrs 1 mo
Of course, he is no longer employed by Merck.