Ann L. Begler, Esq. Principal The Begler Group, Pittsburgh Ms. Begler is the founder and principal of the Begler Group, a Pittsburgh firm providing services in mediation, advanced facilitation and organizational change processes. Ms. Begler completed her initial mediation training in 1983 and has engaged in extensive ongoing training in mediation as well as special training in gestalt processes. Ms. Begler mediates cases in litigation and mediates disputes as part of early resolution programs and litigation prevention. She has designed and led numerous trainings in mediation and conflict resolution and is a frequent lecturer, writer and trainer in the field.