Our Team
The Seneca County Collaborative is led by a unified team working across economic development, business support, downtown revitalization, and tourism.
Our work is guided by one shared mission: Making Seneca County the best place to live, learn, work, visit, and grow.
Whether you are starting or expanding a business, investing in your community, planning a visit, or building a future here, our team is here to support you. Each team member brings expertise, local knowledge, and a commitment to collaboration that helps move Seneca County forward.
Together, we are many voices aligned behind one vision. One Seneca, One Team.
Bryce Riggs
President & CEO
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Bryce serves as the President & CEO of the Seneca County Collaborative. He leads strategic planning, community partnerships, and economic development initiatives to support business growth and regional prosperity.
Judy Dezse
Grants & Community
Engagement Coordinator
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Judy manages grants and community engagement programs that support both the City of Tiffin and Collaborative-wide initiatives.
Adam Gillmor
Economic & Workforce
Development Manager
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Adam supports business retention, expansion, and workforce initiatives throughout Seneca County.
Donna Gross
Downtown Tiffin
Main Street Manager
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Donna leads Downtown Tiffin’s revitalization efforts through the Main Street program.
Megan James
Chamber Manager
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Megan leads engagement, communications, and events for the Seneca Regional Chamber & Development.
Deb Martorana
Director of Operations
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Deb manages day-to-day operations, financial oversight, and office administration across the organization.
Marisa Stephens
Director of Tourism & Marketing
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Marisa leads marketing and tourism efforts across Seneca County, overseeing campaigns, content, and visitor initiatives.