Ivan Kirigin is a 2x Y Combinator founder (Tipjoy W08, YesGraph W15) who became a VC at Tango.vc after driving Dropbox's 12x user growth and selling YesGraph to Lyft. He hosts deep-dive interviews with frontier-tech founders on topics like space factories and robotics while maintaining an active writing presence where he shares frameworks on subjects like "idea market fit" and how major institutions evolve. Ivan Kirigin is a 2x Y Combinator founder (Tipjoy W08, YesGraph W15) who became a VC at Tango.vc after driving Dropbox's 12x user growth and selling YesGraph to Lyft. He hosts deep-dive interviews with frontier-tech founders on topics like space factories and robotics while maintaining an active writing presence where he shares frameworks on subjects like "idea market fit" and how major institutions evolve.