Samuel Corum

He prefers minimal “studio” lighting at his events at the WH which can make photographing them more challenging but often creates opportunities for more unique photos.

Correct, the sun was shining directly through the windows behind him almost like a spot light so when he lifted the EO off the table it acted as a reflector shinning up at his face. This is a wider shot where you can see how the light through the window is hitting the desk.