Complex sentence: Between 2000-04 he worked with Susanne Biek; since 2005 he partnered with English and German engineers, transforming buildings in London, mostly in protected areas, and developing sustainable projects.
Split into simpler sentences: Between 2000-04 he worked with Susanne Biek. Since 2005 he partnered with English and German engineers, transforming buildings in London, mostly in protected areas, and developing sustainable projects.