Benjamin Chua’s company Speco has developed a proprietary technology that provides up to 180 days of antiviral protection on surfaces. It also launched the SpecoBot, a robot that disinfects a client’s premises before workers enter it. The social enterprise has partnered with more than 90 social service agencies to support and train disadvantaged Singaporeans, including single parents, ex-offenders and people with disabilities, and offer them reliable work.