Alongside his acting career, Yuval also started, with a few of his classmates an improvisation group named "Lama Alpaka", which has been 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 to pass on their knowledge.