Your article predates the redacted FISA requests obtained by Judicial Watch FOIA on July 21, 2018.
Here is a good summary with names of DOJ officials and judges that signed off.
https://themarketswork.com/2018/07/22/questions-carter-page-fisa
The JW request was in 2018. The appearances and testimony before the FISC, court orders and warrants were done in 2016 and 2017, with those judges.
And the presiding FISC Judge, Collyer, is a Bush appointee, but IMHO, Bush and Roberts are no better than the Dem’s anyway.