David Gurle is the co-founder and CEO of Symphony which is a secure team collaboration platform. The company has raised so far $460 million at a $1.4 billion valuation from Mitsubishi UFJ Financial, Standard Chartered, Goldman Sachs, Morgan Stanley, JPMorgan, Deutsche Bank, Google, Bank of America, Merrill Lynch, Citi Group, HSBC, and Wells Fargo. David founded and sold Perzo before founding Symphony.