IFS Group, run by Hans Ulrich Jost, of which I am a partner.
Arjuna's father, C. Sittampalam, was Minister of Posts and Telecommunications in the first Cabinet of Ministers of the Government of Ceylon/Sri Lanka, sworn in in 1947. This website (the same article in the Sri Lankan Daily News) has more information about the government of Sri Lanka, from colonial rule to independence.
Arjuna has published two books, which have been referenced a number of times, for example in the documentation centre of the CNMV (National stock market values commission, Spain)