Meet Your NSA Staff


Devlin Bennett
Director of the Accreditation Council for Accountancy & Taxation (ACAT)
Assistant Director of Education

Devlin Bennett has been at NSA for 10 years.  She is currently the director of the Accreditation Council for Accountancy (ACAT) and she manages the administering and testing of the four ACAT credentials in both accounting and taxation.  Devlin previously worked in retail management and designing cakes.  She lives in Alexandria, VA with her husband and 3 children.

Joshua C. Caulfield, IOM
Chief Executive Officer (CEO)

Joshua Caulfield, IOM, worked in non-profit associations since 1997 and has been the CEO of six organizations resulting in significant revenue and membership growth.  Mr. Caulfield has received presidential awards from the American Institute of Architecture Students (AIAS) and the American Medical Student Association (AMSA) and earned the US Chamber of Commerce’s Institute of Organizational Management (IOM) certification.

Joshua is a published author of several articles and books on Organizational Management and Membership Recruitment, including “Outreach: Recruiting Members Painlessly”.

He is an accomplished speaker on technology adaptation, pricing policy, and leadership topics and he has developed programs for the American Society of Association Executives (ASAE).



Susan Larrabee
Interim Marketing and Communications Manager

Susan Larrabee is currently the interim marketing and communications manager at NSA.  Susan has worked in the areas of cell phone technology, executive chef, and exhibit and trade show management.  She launched her business, Allow Me, and worked as a private chef for the ambassador to Barbados.  Susan also volunteers her time with a local animal shelter and has worked on several rescue missions.

John D. Lingerfelt, CAE
Director of Membership

John D. Lingerfelt, CAE has been part of the NSA team since October 2021.  He oversees the association’s membership recruitment, engagement, and retention initiatives. John has nearly a decade of association membership and component relations experience and received his Certification of Association Executive (CAE) in 2021.

John came to NSA from the American Association for the Study of Liver Diseases (AASLD) where he led the member engagement and component relations efforts for the organization.

John, lives with his wife, in Capitol Heights, MD and he is an alumnus of the University of Central Florida, in Orlando, FL.


Cindy Lopez
Operations Manager

Cindy Lopez joins NSA as the operations manager and manages the office operations for the association.  Cindy has over 15 years of experience in the non-profit world. She has worked as an office manager for JKS Systems, based in Fairfax, VA, and for the Institute of Makers of Explosives (IME) in Washington, DC.

Allison Morgan
Membership Services Coordinator

Allison Morgan is the membership services coordinator for NSA.  She has over two decades of association nonprofit experience with long tenures  at both the Grocery Manufacturers Association (GMA) and the National Association of Chain Drug Stores (NACDS).



Lauren B. Nilssen, CMP, CMM, CAE, AFSP
Deputy Executive Director

Lauren Nilssen, CMP, CMM, CAE, AFSP, has over 25 years of non-profit association experience and 20 years as a registered tax professional solving tax issues. Lauren worked as a technical editor for KMPG, a Big-4 accounting firm, and she was an event planner for non-profit association board meetings and an industry consultant. Ms. Nilssen also teaches future association executives who are preparing for the Certification of Association Executives (CAE) exam.

Lauren has lived and worked as a journalist in Moscow, Russia, and has traveled extensively. She lives in Arlington, VA with her husband.