Lewis is also a co-founder of Electroninks, Inc., a company that produces a reactive silver ink used in the printed electronics market, as well as in biomedical and electronic circuitry markets.[11] The company launched a Kickstarter campaign on November 20, 2013 with the goal of raising $85,000 to help with the production of a pen called Circuit Scribe that can create electronic circuits. After only fifteen days into the campaign, backers had pledged $451,698 towards the product.[12] When the Kickstarter campaign closed on December 31, 2013, a total of $674,425 was raised for Circuit Scribe by 12,277 backers.[13]