Kai Petainen is the Tozzi Trading Floor manager and an adjunct finance lecturer at the Ross School of Business, where he teaches a class called “Applied Quant/Value Portfolio Management”. Petainen is featured in Matthew Schifrin’s book The Warren Buffetts Next Door: The World's Greatest Investors You've Never Heard Of and What You Can Learn From Them and writes for the 'Sisu Investor' as a member of Forbe's Intelligent Investing Team. He acquired his knowledge through “action-based learning,” a practical and hands-on approach, and his style/discipline of virtual investing was developed as he spoke with students, professors, and colleagues. Over time, he would help and teach students about quant screening, valuation, and portfolio management, and so his skills were initiated by professors, fine-tuned by students and disciplined through time. Petainen has had articles in Forbes, MoneyShow.com, Welt Am Sonntag, the San Francisco Chronicle, Santa Cruz Sentinel, MSN Money, the Globe and Mail, and many others.

An amateur photographer, he is a fan of ice climbing, Finnish saunas, ‘Go Blue’ and the National Parks. He is not a fan of local unsolved oil spills. 'Sisu' refers to the guts/determination/vigor that resides in the soul of Finnlanders, and it is a shout-out to his Finnish-Canadian heritage. Although he's a huge fan of FactSet, Petainen screens for stocks at home with Stock Investor Pro from AAII. He is a Marketocracy Master whose portfolio is available to clients in a managed account program..

"Sisu. Willpower. Inspiration. It is the individual analyst who has the spine to say ‘sell’ when others say ‘buy’, and will say ‘buy’ when others say ‘sell’. It is of the ‘commoner’ in us, the ‘Main Street’ vs ‘Wall Street’, the ‘worker-bee’ vs. ‘the insider seller’, and the one with boldness that points out the naked emporer, or the unsolved politically-sensitive oil spill in their own city."

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Kai Petainen
January 2009
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World Between My Ears