TIS Worldwide, New York, has appointed creative design expert Ken Eskenazi as the West Coast creative director of its interactive marketing and design division, TIS Interactive Studios. Eskenazi most recently worked as a consultant for agencies and corporate clients such as mySMART.com, Roxbury Capital Management and Wells Fargo Convergys Corp., Cincinnati, a provider of integrated billing and customer care for communications companies, has appointed James P. Boyce as president of its Internet Solutions Business Unit. Boyce comes from consumer goods company Procter & Gamble, also Cincinnati, where he was vice president of global customer business development Perksatwork.com, a San Francisco-based provider of employee portals, has announced that Michael Howse has joined the company as vice president of marketing. Prior to coming to perksatwork.com, Howse served as senior vice president of worldwide marketing at 3-D graphics and gaming company 3dfx Interactive, San Jose, Calif. BestSelections.com, New York, a luxury shopping site, has appointed Brad Wolfer as vice president of operations. Wolfer recently joined BestSelections.com after working at Bally North America, a division of Bally Switzerland, where he was vice president, retail.