Alongside his acting career, Yuval also started, with a few of his class mates an improvisation group named "Lama Alpaka", which is working and performing regularly for already 17 years, both in Israel and around the world.

They are known as one of the best improvisation groups in Israel.

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The group specializes in the "long Form" version, and they are invited (together or separately) to workshops all around the world in order to pass on their knowledge.