Complex sentence: Misha's career as a producer started when he produced and co-wrote the Animals as Leaders self titled album and since then he produced bands such as Veil of Maya, Born of Osiris, Being and Stray From the Path.
Split into simpler sentences: Misha's career as a producer started when he produced and co-wrote the Animals as Leaders self titled album and since then he has worked as a producer. He has worked with bands such as Veil of Maya, Born of Osiris, Being and Stray From the Path.