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Leadership of the North Shore Regional 9-1-1 Center located in Middleton, Massachusetts.


Alyson Dell Isola, CMCP

Director Dell Isola has had a diverse career in government management and administration, specializing in communications.  She holds a Master’s Degree in Media Arts from Emerson College and a Bachelor of Arts from Boston University.  She has served in both municipal and state leadership roles throughout her career, including positions such as Director of Communications for the City of Everett, Assistant Director for the Essex County Sheriff’s Department and now currently as the Director of the North Shore Regional 911 Center.

Deputy Director

Christopher M. Ryan, MBA, ENP

Deputy Director Ryan has a career history in public safety communications and law enforcement.  He serves on regional and state boards and associations, including the Northeast Homeland Security Regional Advisory Council (NERAC), and is the Chair of its Interoperable Communications Committee.  He also supports statewide efforts for interoperability, serves on the Board of Directors for the Massachusetts Chapter of the National Emergency Number Association (MassNENA), and has presented at numerous regional and national industry conferences. Mr. Ryan recently retired after a 20-year career as a part-time police officer in New Hampshire.

Operations Manager

Lee Ann Delp, CCM, RPL

Lee Ann Delp has over 20 years of experience in public safety in Essex County within the 911 profession and emergency management. She has served as a five-term president of the Massachusetts Communications Supervisors Association and held various board positions. Lee Ann is also active with MassNENA and APCO International and strives to inspire the new generation of 911 telecommunicators.

​Training and Quality Assurance Coordinator

Katrina Shamshak, CCM, RPL

Katrina has been involved in Public Safety for over 10 years. Katrina began her career at NSR911 when it opened it’s doors in 2013.  She holds a dual major in Sociology and Justice Studies from the University of New Hampshire. She is a graduate of both Fitch and Associate’s Communications Center Manager (CCM) course as well as APCO’s Registered Public Safety Leader (RPL).  Katrina serves on the Massachusetts Communications Supervisors Association Training and Newsletter Committees as well as on Massachusetts NENA’s TERT initiative. Katrina is the current statewide coordinator for the TERT program in the state.  She is also a member of the NEMLEC Critical Incident Stress Management Team and the Communications Team.

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