Nina Jankowicz - It looks like Schiff used a Russian agent to tell the nation about misinformation and conspiracy theories. https://www.youtube.com/watch?v=eDUBvmQE-JY
Adam Schiff uses her as an expert at 16:00. Virtual Open Hearing on Misinformation and Conspiracy https://youtu.be/r9vU8xQf2QM Theories Online.
I found a video of her from 2012, has her joking about being a Russian Spy, and another listing her credentials as "Disinformation Fellow at the Woodrow Wilson International Center of Scholars."
https://twitter.com/wiczipedia - DMs are open
Old blog mentioned sweatingit.net is dead but wayback machine has a few pages archived, I skimmed, nothing too out of the ordinary yet. Blog does mention Masters of Russian and East European Studies.
https://web.archive.org/web/20130723055440/http://www.sweatingit.net/