The 7th annual Timeshare and Resort Investment Conference will be held Oct. 17-19 at the Peabody Hotel in Orlando. Marriott International Chairman Bill Marriott will be a keynote speaker. For information, go to www.timeshareinvestment.com….Shell Vacations bought a block of units at The Waikiki Marina Resort at the Ilikai on the Hawaiian island of Oahu….Owners of Salado Creek Villas in San Antonio have become the first franchisee of Shell Vacations Systems. The 192-room property will undergo a $7-million renovation and convert to a 105-villa timeshare property…. Mount Bachelor Village Resort in Bend, OR received the RCI Gold Crown Resort designation and has qualified to become as associate resort in RCI's Registry Collection….Lou Ann Burney joined the American Resort Development Association as vice president, marketing and communications….Appointments at Marriott Vacation Club International include Bill Philips to executive VP of resort development and Peter Watzka to chief customer officer and executive VP.