Since 2009, Sithen has been regularly involved in a wide range of film/video/media/social projects and activities within Cambodia, including, but not limited to, the following:
- DancingRains – a one-stop movie house, based in Phnom Penh, servicing from feature film production to equipment sales;
- Sunflower Film Organization – a non-profit organization/collective, empowering youth to make positive differences to Cambodian communities;
- Ahkara Translation – a seasoned translation agency, among others, specializing in film interview transcription;
- Mastermind Club Cambodia – a private team of seven enterprising individuals weekly inspiring and motivating each other in work and life;
- JCI Chaktomuk – an international youth platform creating leadership opportunities to positively impact local communities.