Yes she could be bossy, yes she would cancel meetings at the last second, yes she could be a crazy bitch who'd demand $300 gift certificates to the Cheesecake factory in one breath and a dozen Thanksgiving lobsters in the next, yes sometimes you'd meet with her for a pass off of material non-public information and she'd tell you the shellfish you sent were Maine lobsters and she'd specifically request South African lobsters (even though she hadn't) and then spit in your face and walk away and yes sometimes you'd sit at your desk after she'd reamed you out over the phone for not giving her "the sugar" and fantasize about various ways you could kill her and make it look like an accident but god damn it, this woman knew her shit and when this whole thing blows over you two are going to start working together again because you can't imagine doing the trading thing without her and you know what? You don't want to.

Noah Freeman, a former hedge-fund manager, said no other source "was within any distance" of the accuracy of nonpublic information provided by Winifred Jiau, a former consultant to California expert-network firm Primary Global Research LLC. Ms. Jiau, who has been jailed since her arrest on Dec. 28, is on trial in federal court in Manhattan on conspiracy and securities fraud charges. She is the first person to go to trial in an alleged insider-trading scheme involving expert-network firms. She has denied wrongdoing.

"It was a different order all together. It was updated more frequently, far more accurate and far more detailed than any source we ever developed," said Mr. Freeman, who has pleaded guilty to criminal charges and is cooperating with prosecutors.

Jiau Was 'Top Expert Network Tipper' [WSJ]