Washington Investment Securities 2099 Pennsylvania Ave NW # 900 PERSEUS, L.L.C. is a merchant bank and private equity fund management company with offices in Washington, D.C. and New York City. Investing in a range of transactions from venture capital nancings to leveraged buyouts and debt market investments. Washington DC Investment Securities Rappahannock Investment Co www.perseusllc.com private equity fund merchant bank Acquisition / Recapitalization Fund BioPharmaceutical Fund The Perseus BioPharmaceutical Trading Fund Frank H. Pearl Richard C. Holbrooke James A. Johnson Lewis A. (Lee) Sachs John T. Schwieters Kenneth M. private equity fund merchant bank Acquisition / Recapitalization Fund BioPharmaceutical Fund The Perseus BioPharmaceutical Trading Fund Frank H. Pearl Richard C. Holbrooke James A. Johnson Lewis A. (Lee) Sachs John T. Schwieters Kenneth M. Business Reviews Rappahannock Investment Co Testimonials