Tiwari was never fond of schooling. He spent two weeks at Queens' College at the age of 16 and came to the conclusion that college was just like high school with ash trays, so he struck out on his own. 
At the age of 18 he was the youngest employee at Lehman Brothers and eventually rose in rank to become Vice President at Shearson Lehman. In June 2005, Teeka became a founding partner at the Institute for Individual Investors and co-founded Tycoon Publishing while creating the trading service, Point & Profit. He also created ETF Master Trader, an interactive education program designed to give normal investors confidence in exchange-traded fund. In 2008, Teeka launched Sector Hunter, a fully automated ETF trading technology. 
Tiwari is the editor of the Palm Beach Letter for the Palm Beach Research Group where he writes about wealth and risk management and cryptocurrency. He's also been an editor for Jump Point Trader and Mega Trends Investing. He has created investing and mentoring programs at ETFWarrior.com.  
Tiwari is a regular contributor to the Fox Business Network and has appeared on the Fox News Channel, CNBC, ABC’s Nightline, The Daily Show, and other international television networks. He is well known for predicting ethereum's rise in price when it was only $10.