Thomas Nilsson has helped gambling operators to develop the gambling responsibility work and the strategies and policies required since 1996. At an early stage he was involved in setting up self-help groups in Sweden. Between 1999 and 2010 Thomas was in charge of the national support telephone for problem gamblers, established by the Swedish National Institute of Public Health. Thomas is on of four the founders of the Nordic organisation, SNSUS (Insamlingsstiftelsen Nordiska Samfundet för Upplysning om Spelberoende). SNSUS arranges a conference every second year. Thomas has produced an internet self-help manual for problem gamblers, two papers has been published in Journal of Consulting and Clinical psychology about this program. Since the mid-90s, he has been involved in a training project in gambling responsibility for employees and agents for Svenska Spel, ATG and Miljonlotteriet in Sweden, Norsk Tipping in Norway, Veikkaus in Finland, Danske Spil in Denmark, several gambling operators in Iceland, Lotterie Romande, Switzerland and Atlantic Lottery Canada. Thomas is one of the originators behind PlayScan and has been involved in developing the communication matrix for this. Together with Jakob Jonsson, Thomas has developed an internet-based self-test (GamTest) with a focus on gambling habits involving risk.