Professional Staff Linda Kirby, MPA, RDH Facility Representative Ms. Kirby practiced as a registered dental hygienist and has been with Dentserv since 1984. Karen Wilaum, MHA Facility Representative Ms Wilaum worked as a dental assistant and dental clinic manager for 18 year and has been with Dentserv since 1998. Claire Ryan, BA Facility Representative Ms. Ryan's background is in customer relations and she has been at Dentserv since 1990. Dan Comins, BA, Business Facility Representative Mr. Comins spent 15 years in medical sales and has been with Dentserv since 1988. Chris DiVincenzo, BA, Business Facility Representative Mr. DiVincenzo's background was as a medical recruiter and he has been with Dentserv since 1988.