Search engine marketing startup KENSHOO has secured an undisclosed late-stage round of funding from Sequoia’s Growth Fund , the Israeli company announced this morning. This marks the fourth time Sequoia Capital has injected capital into the company, which claims it is now profitable and has doubled in valuation since 2009. KENSHOO offers search marketing campaign management and optimization tools ( KENSHOO Search and KENSHOO Local are its flagship products) and provide automation solutions for advertisers’ online demand generation needs across channels like Google, Yahoo, Bing, Facebook, AOL, Baidu, and Yandex