- NROC coach Singapore, FINA Level 2 qualified
- NCAP level 2 (theory) qualified
- AUSTSWIM teaching of swimming and water safety
- AUSTSWIM teaching infant and preschool aquatics
- Diploma in Sports and Leisure management, Republic Polytechnic, Singapore
Darsi joined Dulwich College (Singapore) in August 2014. He has been involved in programmes such as infants learn to swim, age group developmental swimming and masters swimming, and water polo for the past 7 years both at another international school in Singapore and Swimfast Aquatic Club.
Darsi was a Sri Lanka national swimmer, and also enjoys water polo.