Probably a variant of one of the templar, Rosicrucian, maltese pins…
As you can see a Phoenix is important to the Cabal as are Roses…
The Kangaroo is new to me though.
De Niro
https://www.bloomberg.com/graphics/2018-white-house-staffing/
David Shulkin - 3-31-2018
Scott Pruitt - 6-8-2018