I would supoena:
1)All 520k+ Prosper members. (If court procedural rules limit the number of people I can bring in or it's limited due to cost constraints, even .1% of that amount or 520 people is a lot. This would be split 60%/40% between lenders/borrowers)
2)The Prosper VC's.
3)All current/former Prosper employees
4)All former employees of Red Gorilla.
5)All current/former emplyers/friends of Chris Larsen, John Witchel, Ed Giedgowd, Kirk Inglis, Catherine Muriel, Chris Denend, Doug Fuller, and Thomas Pigowski up to 10 years back.
6)All current/former employers/friends of the Prosper VC's up to 10 years back.
7)All current/former employers/friends of Prosper Shira up to 10 years back.
ETA:
1)Limited to 50 Prosper members (50)
2)Limited to 2 random VCs (2)
3)Limited to 10 random current/former employees (10)
4)Limited to 10 random former employees (10)
5)Limited to 2 random friends of each person (16)
6)Limited to 2 random friends of 4 VCs ( 8 )
7)Limited to 5 random friends of Shira Lavine (5)
Total: 101 witnesses @ $1.250k per deposition day+$250 per supoena.