Our Team

Pam McKenna, MEd, CAE


Pamela H. McKenna, CAE is President of McKenna Management. Her background includes 20 years of experience in all facets of association management. Pam holds a Master in Education Degree from Northeastern University. A frequent association industry conference speaker, Pam is often tapped by colleagues for professional information and advice. She has received over 100 unsolicited endorsements of her association management skills on LinkedIn.

Pam is also a Certified Association Executive (CAE). The CAE is the highest professional credential in the association industry. Pam served two terms on the Board of Directors for AMC Institute and Chaired the AMC Industry's Accreditation and Standards Committee. She is a Past Chair of the AMC Section Council for the American Society of Association Executives. Pam also served as Executive Director for several of McKenna Management's clients including the New England Society of Association Executives.

Andrew Cronin Finn, MSc, MBA, CAE

Vice President, Association Management & Strategic Operations

Andrew Cronin Finn joined McKenna Management in 2015, bringing with him extensive experience in association management, project management, and consulting. At McKenna Management, Andrew serves as Executive Director of the New England Society of Association Executives and contributes to the company's strategic planning and business operations initiatives. Prior to joining McKenna Management, Andrew managed several state and regional medical societies as part of the Specialty Management Services team at the Massachusetts Medical Society. He has also worked with a variety of other associations and non-profit organizations in both consultant and internal staff member capacities.

Andrew earned an MBA from Northeastern University, and holds and MSc in Management Consultancy from University College Dublin in Ireland, and a BS in Management, summa cum laude, from Johnson & Wales University. Andrew is also a Certified Association Executive (CAE).

Andrew enjoys contributing to his own professional associations. He is a member of the American Society of Association Executives, where he serves as a member of the AMC Professional Advisory Council. He is also a member of the Association Societies Alliance, where he has served on several task forces and on the Nominating Committee.

Susan Barber, MBA

Executive Director

Susan Barber is a senior association and operations professional with expertise in strategic planning, program management, process improvements, and event planning. Most recently, Susan was Vice President of Operations and General Manager for the New England Small Business Association. She holds a Master of Management of Human Services degree from Brandeis University, an MBA with a concentration in finance and business strategy from the University of Chicago Booth School of Business, and a BA in Psychology and Education from Ohio University. She's a certified inbound marketing professional and has six sigma green belt and lean six sigma certificates.

Graham Cox, CAE

Executive Director

Graham Cox brings over 15 years of successful nonprofit association experience to his role at McKenna Management including operations, strategic initiatives, relationship building, and advocacy.. He's a collaborative professional that's been successful at driving initiatives and developing programs. Graham received his Bachelor's Degree from the University of Colorado and also is a graduate of Francis Marion University's Nonprofit Leadership Institute. Graham completed ASAE's Certificate in Association Management and is a Change Management Specialist. He is also a Certified Association Executive (CAE.)

Cambria Happ, MPA, CAE

Executive Director

Cambria Happ brings 15 years of experience in the nonprofit sector including association management, higher education and museums. Prior to joining McKenna Management, she served as the Business Operations Manager for the New England Interstate Water Pollution Control Commission and as the Executive Director of The George Washington University School of Business Masters Programs. Her professional areas of expertise are governance, association management systems, membership and business operations.

Cambria is a Certified Association Executive (CAE). She holds a Master of Public Administration Degree (4.0 GPA) and a Graduate Certificate in Nonprofit Management from The George Washington University.

Elizabeth Maynard

Executive Director

Elizabeth “Libby” Maynard is an Executive Director with McKenna Management, where she has been a member of the team since 2013. Her professional interests include: government relations and grassroots member advocacy, membership recruitment and retention, meeting planning, and association management technology. While at McKenna Management she has successfully developed and implemented many client initiatives ranging from grassroots letter writing campaigns to sold-out educational programs. Prior to joining McKenna Management she worked at the Massachusetts Nurses Association and managed several political campaigns in Massachusetts.

Apart from her role at McKenna Management, Libby serves as Treasurer of Emerge Massachusetts, a program that trains women to run for office. She is a member of the NoVa Membership Advisory Group of the Virginia Society of Association Executives. She has also served as a Gala Committee Member for the Progeria Research Foundation’s Night of Wonder and was a founding board member of the UMass Women into Leadership program at UMass Amherst.

Karen Regan, MBA, CMP

Executive Director

Karen Regan joined McKenna Management in 2010, bringing with her 20 years of experience at a Fortune 10 company. She specializes in Event Planning and the on-site orchestration of conferences. She is a high energy leader with a passion for building strong working partnerships. Through her diligence and personal touch, she has contributed to the growth of her clients' memberships, event attendance, exhibitor and sponsor dollars and overall bottom line.

Karen has extensive experience in marketing, education and program management and is a skilled facilitator. She has proven abilities in managing teams through corporate mergers and successfully blending diverse work cultures. She won numerous awards for the development and implementation of successful strategies. Karen has a Master’s Degree in Business Management and is a CMP (Certified Meeting Professional.) The CMP designation is recognized globally as the badge of excellence in the meeting, convention, exhibition and event industry.

Hillari Wennerstrom

Executive Director

Hillari Wennerstrom is an experienced Executive Director with skills in strategic event planning, project management, membership and volunteer engagement, and public relations. Hillari brings with her strong governance skills, as well as public service and volunteer experience. She holds a BA in Political Studies from Gordon College.

Hillari has served as a School Committee Member and as a member of the Board of Selectman for the Town of Tyngsborough, Massachusetts. She has also served as a Board member of a national association, the Association of State Retired Teacher Executives, where she held the roles of Secretary, Treasurer, President-Elect, and President. Hillari holds a BA in Political Studies from Gordon College.

Linda S. Bailey, MBA, CMP

Meeting Planner

Linda Bailey brings over 20 years of experience working with associations and nonprofits to the McKenna Management team. She has an extensive meeting planning background, which includes working as an independent meeting planner after 16+ years at the National Fire Protection Association (NFPA) in Quincy, MA. In her role as Director of Conferences and Events she planned a wide variety of events including an international conference for over 7,000 attendees and 350 exhibitors. Prior to NFPA Linda worked for the Northeast Human Resources Association (NEHRA) in Wellesley, MA, the IEEE Computer Society in Washington, DC, and The Coast Guard Foundation in Stonington, CT. Linda holds a BS and MBA from University of New Haven, and is also a Certified Meeting Planner (CMP).

Megan Brouwer, CMP

Association Manager

Megan Brouwer brings over 15 years of experience in conference and meeting planning, specializing in association and nonprofit conferences and meetings. Prior to joining McKenna Management, she worked for a third-party meeting management company as a Senior Meeting Consultant. She helped plan a wide variety of conferences, events and trade shows with up to 1,500 attendees including: the Olympics, World Cup, Spina Bifida Association World Congress, National Center for Asia-Pacific Economic Cooperation CEO Summit and the National MPS Society International Symposium on Mucopolysaccharidoses and Related Diseases. Megan has a strong background working with associations’ boards and committees as well strategic planning, budget management, project management and vendor relations. She earned her Bachelor’s Degree in Communications from the University of New Hampshire and is a Certified Meeting Planner (CMP). Megan is currently working towards being a Certified Association Executive (CAE).

Emily Clifford

Communications Coordinator

Emily Clifford serves as the Communications Coordinator for several of McKenna Management's clients with a variety of web, print, and social media communications needs. While completing her Bachelor's Degree in Business Administration with concentrations in Marketing & Graphic Design at Merrimack College, Emily worked as a Marketing Communications Intern in the association management field. She also brings a variety of communications and design experience from internships and as the Design Editor of her college's newspaper to the McKenna Management team.

Nancy Ehlers

Program Coordinator

Nancy Ehlers brings 18 years of association experience to McKenna Management. Nancy’s career with Financial Executives International (a 15,000 member organization) included positions in customer service, chapter relations support, membership, sales, conferences and professional development. Her passion is in the membership area with excellent customer support being her highest priority. Among her many accomplishments was the recruitment of 220 members in just 9 months and the opening of a Japan chapter, the first outside the US. Nancy managed of all professional development and continuing education credits for FEI and their 76 chapters.

In 2017, Nancy retired from FEI and moved to Alstead, NH with her husband and three dogs. She now works part-time and enjoys her two granddaughters, fly-fishing, cross-country skiing, gardening as well as her dogs.

Karla Ferrini


Karla Ferrini currently serves as the bookkeeper for several of McKenna Management’s clients. Karla holds a Bachelor’s degree in Finance from Northeastern University as well as 20+ years of experience working for government contractors as a financial administrator. She enjoys working with McKenna Management’s clients and providing them with the financial data and insights that they need to be successful.

For the past 15 years, while staying home to raise her family, she has spent many hours volunteering in the Westford, MA community, including a role as site-based coordinator for PTO as well as the volunteer chairperson for several events and fundraisers.

Stephen Gillies

Program Coordinator

Stephen Gillies brings many years of customer service and relationship management skills to his role as program coordinator. Through his previous experience working for the Museum of Science, he has been able to use his expertise in dealing with the public to further their mission. He completed his higher education in 2016, earning a bachelor’s degree in communication arts from Framingham State. While earning his degree, he completed courses in graphic design, public relations, and professional writing. When he is not providing excellent customer support, he enjoys spending time with his dog and learning new trivia facts.

Karen Hill, MBA

Meeting Planner

Karen Hill, MBA has over 12 years of experience in meeting and event management, and customer service management. She began her career at a management consulting firm as a meeting manager and handled various aspects of planning for over 100 meetings a year, ranging from 10 to 200+ people in the design/build industry. Prior to joining McKenna Management, she was an accounts and events manager with Stiles & Associates, where she managed hotel contracting, meeting logistics, and housing blocks from 10 to 450 rooms for a major television network. Karen received a BS degree from Lasell College and holds a Meeting & Event Management Certificate from Northeastern University’s College of Professional Studies.

Makenzie Howard

Program Coordinator

Makenzie Howard brings strong account service, marketing, and event coordination skills to her role as Program Coordinator. She gained this experience as a Marketing Assistant at Dyax Corporation and Shire, a biotechnology company. She is a graduate of Middlesex Community College, where she studied Liberal Arts & Sciences. Makenzie has 10 years of customer service experience, including 4 years of marketing, event organization and data entry, which she draws upon as part of the team for several McKenna Management clients.

Ana Mattson

Program Coordinator

Ana brings over 20 years of marketing and event operations to her role at McKenna Management. A few of her many accomplishments include leading the implementation of a high profile, award winning website campaign, project leadership in e-mail and direct mail, successfully handling all aspects of data management and cross-channel execution, providing instrumental support in two client transition projects and managing an event campaign for a Fortune 500 company. Ana is experienced at implementing tools and improving processes resulting in cost and time savings and improving client ROI. Ana has a Computer Programming and Systems Analysis Certificate from Northeastern University and a Marketing Cloud Email Specialist Certification, Salesforce.

Ana is fluent in Spanish.

Karen Murphy

Administrative Manager

Karen Murphy joined McKenna Management in early 2007. For over 10 years, Karen has provided exceptional customer service in meeting the needs of the clients McKenna Management serves. She does so in the utmost professional and efficient manner. Prior to working at McKenna Management, she worked at Allstate Insurance as a Subrogation Coordinator where she received an outstanding customer service award and developed and implemented a zero defects quality program. Karen also was previously employed at the law firm Qua, Hall, Harvey & Walsh. Karen holds an Associate’s Degree in Child Studies from Dean College, and taught pre-school and pre-kindergarten for ten years. She enjoyed chairing fundraising committees at her children’s schools which utilized her strengths in customer service, organization, and planning.

Garrett Rockafellow

Marketing & Graphic Design Coordinator

Garrett Rockafellow serves as Marketing & Graphic Design Coordinator, bringing with him 10 years of experience in the marketing and design field. Garrett's design work focuses on both function and form, and he aims to develop print and web marketing collateral that is both beautifully-designed and helps our clients meet their unique goals.

Garrett holds a BS in Visual Communication Arts: Graphic Design and a BS in Business: Marketing from Liberty University. Outside of work, Garrett enjoys spending time with his wife, two girls, standard poodle, chickens & rabbits.

Michaela Sawicki, MSc

Program Coordinator

Michaela Sawicki is a Program Coordinator at McKenna Management. After completing a Bachelor of Arts in History at the University of Massachusetts-Lowell, she moved to Ireland to complete a Master's of Science in International Politics from Trinity College Dublin. As part of the McKenna Management team, Michaela helps to organize association events such as webinars, meetings, and conferences. She also manages marketing for social media and web content, and provides member-support. With nearly ten years of customer service, Michaela brings a bright, positive attitude to new ventures in her professional career.

Michele Sperry


Michele Sperry joined McKenna Management in 2009 and currently serves as the Staff Accountant for McKenna Management’s clients. Michele has extensive nonprofit accounting experience including proper tax reportings for 501 (c) 6 and 501 (c) 3 organizations. Michele ensures all our clients' financials are handled in a GAAP compliant manner. She handles financial reporting, reconciiations, receivables and payables. Michele enjoys assisting clients with the budgeting process and financial performance analysis.

Michele has earned a Bachelor of Science degree in Accounting from UMass Lowell (3.98) and a Bachelor of Arts in Mathematics from St. Catherine University (3.88.) Prior to joining the McKenna Management team, Michele worked as a computer programmer at Raytheon and as a Procurement Officer in the US Air Force.

Melissa Striharsky

Program Coordinator

Melissa Striharsky brings with her over 20 years of customer service and event management experience. She acquired her skills and experience while serving in a variety of roles in the fast-paced hospitality industry. Prior to joining McKenna Management, Melissa excelled as the Senior Event Manager at the the Wayside Inn in Sudbury, Massachusetts and as a Banquet Manager at the Sheraton Boston Hotel. Most recently, she planned and orchestrated 100+ weddings per year. Prior to that, she managed corporate events, meetings, receptions, and banquets ranging from 5 to 3,000 attendees. Melissa holds a Bachelor of Science degree from East Stroudsburg University.

Outside of providing high-quality membership and event support for her clients, Melissa enjoys traveling, reading, gardening, spending time with family, going on hikes, and planning for the next adventure with her husband-to-be.

Gabrielle (Gaby) Webster, MS

Association Manager

In her role as Association Manager, Gaby works with clients to provide premiere service and engaging programs for their members and prospects. Gaby believes in serving her community and is passionate about educating youth. One of her biggest successes was hosting a pre-conference event at the Houston Museum of Natural Science geared towards engaging youth in philanthropy. In addition to McKenna Management, Gaby teaches at a growing tutoring center, also helping the franchise with marketing and project management.

While getting her BA from George Mason University, Gaby was able to land internships at the U.S. House of Representatives and the renowned MD Anderson Cancer Center. These positions led her to pursue a career in project and knowledge management. Gaby also holds her MS in Management from George Mason's School of Business.