Anders Gustafsson is a professor of business administration in the CTF-Service Research Center at Karlstad University, Sweden and holds a part-time position as a professor in marketing at BI Norwegian School of Business, Norway.
Per Kristensson is professor at the CTF-Service Research Center, at Karlstad University, Sweden and is a visiting professor at Norwegian School of Economics (NHH) in Bergen, Norway.
Gary R. Schirr is associate professor of marketing at Radford University.
Lars Witell is a professor at the CTF - Service Research Center at Karlstad University, Sweden and holds a position as professor of business administration at Linkšping University, Sweden.