Sithum Samarajeewa is a nationally accredited and experienced editor and sound designer. He received his diploma from Digital Film and Television Academy with an award for the masterful student. His work has been cited and referenced in numerous works such as cinema, documentary, TV commercials, music videos and relevant industries. Pangshu by Visakesa Chandrasekaram, Frangipani by Visakesa Chandrasekaram, Silence in the Courts by Prasanna Withanage are some of his prominent works. Sithum received the nomination for the best editor award at 6th Derana Film Festival for the movie 'Pangshu' in the category of Cinema of Tomorrow. He was awarded as the best sound designer at COINS film festival and the best editor at Derana music video awards. Sithum is working as a visiting lecturer at Sripaali Campus, University of Colombo and University of Visual and Performing Arts. Sithum is one of co-founders of MAMA's BOYS FILMS, one of the most successful, leading-edge production houses in Sri Lanka.