About Us
Group Concepts is a seasoned association management company, serving trade associations with sound and profitable membership services since 1976.
We specialize in leveraging technology to increase efficiency in volunteer organizations. Group Concepts provides financial management, member services, executive oversight, marketing, professional development, and conference planning to not for profit trade associations.
Group Concepts is headquartered in Southern California. We are a Proud Member of Associations West.

Our experienced team is dedicated to delivering exceptional results by understanding your challenges and goals, crafting customized strategies, and implementing effective solutions that propel your organization forward
Our Services
Explore our range of comprehensive consulting services designed to address your specific organization needs
Administration
Let us be your association’s headquarters for all daily tasks
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Physical mailing address
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Personally staffed phones
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Email correspondence with members/general public
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Marketing for emails/website
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Newsletters/member directories
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Document and inventory storage
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Bank deposits/bookkeeping
Membership
Your members are your organization’s greatest assets, and we treat them as such with the following services
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Comprehensive online database
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Prompt attention to all inquiries
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Membership growth efforts
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New/prospective member outreach
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Creating new member benefits
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Membership retention programs
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Liaison to affiliate organizations
Event Planning
Events allow your members to network in person and actively participate in their association
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Scheduling
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Event venue coordination
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Contract negotiation
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Exhibit space sales
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Promotional materials/media kits
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Online registration/payments
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Committee member coordination
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Day-of-event staffing/management/registration
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Member satisfaction data collection
Why Choose Us
We manage several professional trade associations in a variety of industries – from manufacturing and entrepreneurship to the public sector and healthcare. Group Concepts has been able to flourish for 50+ years because we place such high importance on personal service, attention to detail, and dedication to the success and growth of each organization we manage.
Strategy
Tailored Organizational Needs
Technology
Data-Driven Insights
Development
Association Growth Plans
Implementation
Executive Excellence

Andrea Casillas, Owner & President
Andrea's areas of specialty include board structure, policy development, and corporate partnerships. She develops strategies for membership and sponsorship growth, member retention, and volunteer engagement. In collaboration with our clients, Andrea builds a foundation for the organization to ensure forward progress toward its mission and long term goals.

Jenn Baker, Executive Director
Jenn has excelled in growing association membership, planning annual events, working under the direction of a board, adhering to administrative protocols, developing and enhancing sponsorships, and overseeing accounting functions.

Kyra Browder, Administrative Assistant
With a strong background in administrative support, operations, and customer service, Kyra brings a high level of organization, adaptability, and problem solving to the Group Concepts team.

Morgan Burke, Executive Director
With over 10 years of experience working with non-profit associations and organizations, Morgan oversees day-to-day operations for associations, making it a priority to exceed goals and work hand-in-hand with leadership to establish and evolve organizational priorities.

Patricia Freeman, Vice President of Operations
With more than a decade of professional experience spanning nonprofits, private industry, government, and associations, Patricia has cultivated expertise in communications, crisis management, marketing, operations management, and client relations.

Alexandra Kerstner, Event Planner
Alex enjoys the variety and multi-tasked environment associations bring to the table, as well as managing events from conception to reality. Events include annual conferences, board retreats, board meetings, educational seminars, webinars, awards luncheons, social activities, golf tournaments, and trade shows.

Derek Kozaites, Communications Manager
Derek serves our diverse array of clients and is responsible for their daily communications, website organization, marketing, and database maintenance. His commitment to client satisfaction and exacting attention to detail greatly contributes to the team's overall success.
Testimonials
"I don’t know what we would have done without Group Concepts. They came on board as our management company about the time we were going through a major membership growth spurt and software conversion. Their attention to detail, customer focus, expertise and flexibility got us through those challenging times."
Past Association President
"I had such a positive experience, and I really want to thank you for all the effort that went into making it possible. The communication and logistics were so well done. As a booth, I appreciated the detailed agenda and how easy it was to meet attendees and build connections. I easily connected with attendees on the app."
Conference Exhibitor
"The entire staff at GC becomes a super-efficient adjunct to the organization. They’ve honed their abilities and leveraged their experience to make the relationship seamless. Whether it’s managerial oversight and directorship or pure administrative support, GC rises to the occasion."
Past Association President
"One of the reasons I readily agreed to taking on the role of President of our organization is because I knew I would be working closely with Andrea. She has been wonderful to work with; she prepares me for meetings, reminds me of forgotten items, and helps keeps our meetings flowing."
Past Association President
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