John Nyaradi is publisher of Wall Street Sector Selector, an online financial newsletter specializing in sector rotation using exchange traded funds (ETFs). His articles have been widely published online in "The Guru’s Corner" on MarketWatch.com, Kiplinger’s, ETF Trends, CNBC Online, The San Francisco Chronicle, TradingMarkets.com, Seeking Alpha and many others. In this interview, I discuss with him the strategies investors should use to weather the financial crisis.