Bloom Energy founder, president and CEO K.R. Sridhar, right, is applauded by board member Colin Powell, center, and company officials as he rings the New York Stock Exchange opening bell on Wednesday, Bloom Energy founder, president and CEO K.R. Sridhar is applauded as he raises the gavel after ringing a ceremonial bell on the New York Stock Exchange floor on Wednesday, as his company made its initial public offering. less Bloom Energy founder, president and CEO K.R.