OAKLAND, Calif.--(BUSINESS WIRE)--Bill Walsh, President and CEO of Navis, has decided to leave to pursue other interests. Rob Dillon, CFO, will take over as interim CEO of Navis effective immediately and work closely with the management team to facilitate the transition. “On behalf of the Board and the Navis Management Team, I would like to thank Bill for his valuable contributions and wish him every success in his future endeavors. During his six years with the company, Bill successfully devel