Employee feedback platform Culture Amp has raised $40 million in a series D funding round led by Blackbird Capital. CEO Didier Elzinga started the company in 2009 after 13 years at a visual effects company that worked on movies like Harry Potter and Lord of the Rings. The company is also launching a new diversity and inclusion survey within the platform. Didier Elzinga was the CEO of an Australian visual effects company when he joked that being a CEO was "like being a glorified psychiatrist." That's when he had an idea.