Sanjayan has gained experience in numerous areas of litigation, including civil and criminal law. He advises clients in a wide range of legal areas, such as corporate and commercial law, contract law, debt collection law, international arbitration, labour law, matrimonial law and real estate. 

Sanjayan obtained his law degree in 2019 from the University of Zurich (Switzerland). During his studies, he was an exchange student at the University of Miami, School of Law (USA) and at the University of Fribourg (Switzerland). In 2020, he received his CAS as Compliance Investigator at ZHAW Zurich University of Applied Sciences. He was admitted to the bar in Switzerland in 2023. Prior to joining Klein as attorney in 2023, Sanjayan was a trainee lawyer in various firms, including Klein.