SEATTLE--(BUSINESS WIRE)--F5 Networks (NASDAQ: FFIV) today announced the addition of four new executives to its leadership team, reporting directly to President and CEO François Locoh-Donou. Kara Sprague, in the new role of Senior Vice President, General Manager of Application Delivery Controller (ADC), and Ram Krishnan, in the new role of Senior Vice President, General Manager of Security, will lead product portfolio management and product and solutions marketing for their respective business.