Tiffany Winemiller
Jacksonville,FL
Summary
Mission-driven executive leader with extensive experience in nonprofit behavioral health operations and higher education advancement. Proven record of driving organizational growth, operational excellence, regulatory compliance, and transformational fundraising initiatives. Deep expertise in Florida’s behavioral health system, including legislative frameworks, appropriations processes, AHCA and DCF standards, Medicaid managed care, and CARF accreditation. Strategic partner to CEOs and Boards, recognized for building high-value relationships with policymakers, funders, community leaders, and executive stakeholders. Combines operational leadership with sophisticated development strategy to advance mission-centered impact and long-term sustainability.
Overview
19
19
years of professional experience
Work History
Chief Operating Officer
Gateway Community Service
Jacksonville, Florida
01.2021 - Current
- Executive leader overseeing day-to-day operations for a comprehensive behavioral health organization serving inpatient and outpatient populations across Northeast Florida.
- Operational & Strategic Leadership
- Direct administrative, clinical, and support operations to ensure seamless service delivery aligned with mission and Board strategy.
- Translate CEO and Board strategic vision into actionable operational plans with measurable outcomes.
- Lead cross-functional coordination across clinical services, HR, finance, and quality teams.
- Drive long-term organizational initiatives including program expansion, facility integration, and care model enhancements.
- Financial & Regulatory Oversight
- Oversee budgeting, resource allocation, and financial performance in partnership with finance leadership.
- Ensure compliance with Medicaid, AHCA, DCF, and federal behavioral health regulations.
- Lead risk management initiatives including HIPAA compliance, audit readiness, and documentation standards.
- Support revenue diversification and sustainability strategies.
- Clinical & Program Excellence
- Partner with program directors to ensure ethical, evidence-based, client-centered care delivery.
- Monitor operational and quality metrics to drive continuous improvement.
- Ensure service delivery aligns with Florida statutes, regulatory requirements, and funding parameters.
- Executive & External Affairs
- Act as senior advisor to CEO on funding, legislative, and operational issues.
- Prepare and present executive-level reports to Board and stakeholders.
- Represent the organization with funders, policymakers, and community partners.
Vice President of Development & Operations
Gateway Community Service
Jacksonville, Florida
01.2018 - 01.2021
Vice President of Development
Gateway Community Service
Jacksonville, Florida
01.2017 - 01.2018
Director of Development
Gateway Community Service
Jacksonville, Florida
01.2015 - 01.2016
- Progressively promoted executive responsible for building and leading a comprehensive development and advancement infrastructure.
- Strategic Fundraising & Brand Leadership
- Designed and executed the organization’s first capital campaign strategy, including case development, campaign structure, timeline, and gift range architecture.
- Developed compelling case for support driving investment in expanded behavioral health services.
- Established naming opportunities, prospect strategies, and major gift documentation processes.
- Prepared and negotiated major gift proposals and agreements.
- Organizational Transformation
- Led full organizational rebranding initiative in partnership with external marketing agency.
- Developed and implemented the organization’s first formal branding guidelines.
- Built foundational development systems, policies, and procedures.
- Oversaw integration of development strategy with operational leadership functions.
Associate Director of Development, Major & Special Gifts
University of North Florida
Jacksonville, Florida
01.2008 - 01.2014
- Senior major gifts officer during a $130 million comprehensive capital campaign.
- Managed portfolio of 150+ major, principal, and corporate prospects.
- Raised over $3 million for capital infrastructure initiatives.
- Secured $328,620 in corporate gifts within a single fiscal year.
- Facilitated planned giving conversations, including a $10 million verbal estate commitment.
- Secured a $750,000 scholarship gift and a $100,000 gift establishing the university’s first sustainable farming project.
- Conducted 20+ in-person donor visits monthly.
- Partnered with University President and VP of Development on high-level donor cultivation.
- Served on Capital Campaign Committee, Donor Prospect Committee, and foundation leadership groups.
- Chaired University Donor Wall Committee and led senior-level search committees.
- Managed development staff and facilitated advisory board meetings.
Assistant Director of Development, Fine Arts Center
University of North Florida
Jacksonville, Florida
01.2007 - 01.2008
- Managed portfolio of 150+ individual and corporate prospects.
- Secured largest seasonal corporate sponsorship in Fine Arts Center history.
- Designed and executed fundraising events tied to major performances.
- Expanded Advisory Council by adding 18 key members.
- Coordinated and facilitated Advisory Council meetings.
Education
Bachelor of Science - Hospital Administration
Saint Leo University
Skills
- Behavioral Health Operations (Inpatient & Outpatient)
- Florida AHCA, DCF & 65D-30 Regulatory Compliance
- Medicaid & Managed Care Strategy
- Baker Act & Marchman Act Knowledge
- Government & Legislative Relations (State of Florida)
- Managing Entity & Amendment Compliance
- Nonprofit Governance & Board Engagement
- Strategic Planning & Organizational Growth
- Budget Development & Financial Oversight
- Risk Management & HIPAA Compliance
- Quality Improvement & CARF Accreditation
- Program Development & Service Line Expansion
- Capital Campaign Strategy & Execution
- Major & Principal Gifts Fundraising
- Grant & Public Funding Management
- Workforce Leadership & Staff Development
- Contract negotiation
Timeline
Chief Operating Officer
Gateway Community Service
01.2021 - Current
Vice President of Development & Operations
Gateway Community Service
01.2018 - 01.2021
Vice President of Development
Gateway Community Service
01.2017 - 01.2018
Director of Development
Gateway Community Service
01.2015 - 01.2016
Associate Director of Development, Major & Special Gifts
University of North Florida
01.2008 - 01.2014
Assistant Director of Development, Fine Arts Center
University of North Florida
01.2007 - 01.2008
Bachelor of Science - Hospital Administration
Saint Leo University