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Councils
- Accounting & Finance Council
- Compliance & Audit Council
- Diversity & Belonging Council
- Financial Wellness Council
- Fraud Council
- Human Resources & Training Council
- Lending & Collections Council
- Marketing & Business Development Council
- Member Business Services Council
- Payments & Operations Council
- Technology Council
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Diversity & Belonging Council
Champion social equity and financial well-being for all members of your credit union. Collaborate with like-minded peers to foster an inclusive environment and empower diverse communities.
Member Tools & Resources
Joining a council provides you exclusive access to connect with your peers, focused educational events, and an archive of resources. Log in to access your member-only content.
Upcoming Events
IMPACT 2025: Cornerstone Annual Meeting
Round Rock, TX
Join fellow Cornerstone members at the Kalahari Resorts & Conventions.
The council program holds networking and educational events throughout the year. Keep checking back for more events.
Join a Council
Council subscriptions are FREE for staff and volunteers at Cornerstone member credit unions.
Executive Committee
Council Member
Colisha Lewis
Tinker FCU
Council Member
Vicki Plank
Meritrust CU
Council Member
Michelle Wood
Mazuma CU
League Liaisons
Council Liaison
Tanya Dittberner
Cornerstone League
469-385-6626
Council Liaison
Ericka Calvillo
Cornerstone League
469-385-6467
Education & Events Liaison
Brandon Walker
Cornerstone League
800-442-5762, ext. 6426
Council Membership/Tech Support
Cristina Martinez
Cornerstone League
800-442-5762, ext. 6403
Council Oversight/Liaison Supervisor
Sarah Bowman
Cornerstone League
800-442-5762, ext. 6423