claim: Nero's death sparked a brief period of civil wars in Russia.
evidence: Dan Obrycki is the co-founder of The Applied Finance Group .. The Applied Finance Group. The Applied Finance Group. Obrycki and Rafael Resendes together created Economic Margin -LRB- EM -RRB- , AFG 's proprietary framework , to evaluate corporate performance from an economic cash flow perspective .. Rafael Resendes. Rafael Resendes. Obrycki is the head of AFG 's main office in Chicago .