Risk professionals are those in the profession of defining and communicating risks (Ericson and Haggerty, 1997, p. 102).
References:
Ericson, R. V., & Haggerty, K.D. (1997). The Risk Society. In R.V. Ericson & K.D. Haggerty (Eds.) Policing the risk society (pp. 81-130). U of Toronto: Toronto.