Mirtha Fonte
I am a seasoned financial executive with over 25 years of experience guiding companies through transformation, growth, and global expansion. My career spans serving as CFO for OneNest, HealthBird, and other health tech and biotech companies, where I developed strategies to enhance financial performance, supported fundraising, and implemented scalable systems to align operations with long-term goals.
My expertise includes:
- Fractional & Interim CFO Services
- Strategic Financial Planning & Analysis
- Cash Flow Optimization & Forecasting
- M&A Due Diligence & Post-Acquisition Integration
- ERP & SaaS Implementation (SAP, NetSuite, QuickBooks, Yardi)
- Board & Investor Reporting
- International Expansion & Cross-Border Finance
Today, I have transitioned from my role as CFO at OneNest into serving as Senior Financial Advisor, continuing to provide strategic guidance on both domestic and international financial matters. I work closely with executive teams and investors to strengthen financial infrastructure, enhance forecasting and reporting processes, and support companies navigating growth, restructuring, and cross-border expansion. My focus remains on helping organizations improve financial clarity, operational alignment, and long-term value creation.
- Developed and implemented financial strategies to support organizational growth, capital raising, and operational efficiency across health tech, biotechnology, and service-based industries.
- Established scalable financial systems and reporting frameworks to improve transparency, accuracy, and decision-making for executive teams and investors.
- Directed budgeting, forecasting, and cash flow management processes to align operations with long-term business goals.
- Led financial due diligence and integration efforts during mergers, acquisitions, and strategic partnerships, ensuring alignment between financial and operational objectives.
- Implemented ERP and accounting software solutions to modernize reporting and streamline multi-entity financial operations.
- Collaborated with CEOs, boards, and cross-functional teams to strengthen governance, optimize capital allocation, and improve overall financial performance.
- Provided financial leadership during periods of transformation and expansion, including international operations and organizational restructuring.
- Built and mentored finance teams to enhance internal capabilities and support sustained business growth.
I am passionate about helping companies position themselves for long-term growth, improve profitability, and build scalable finance organizations. By partnering with CEOs, boards, and investors, I provide the financial insight and leadership required to move organizations forward with clarity and confidence.
- Chief Financial Officer – HealthBird, Terranova Corporation, KRS Global Biotechnology
- Senior Financial Advisor / CFO – OneNest
- Financial Controller – BioStem Technologies (OTC: BSEM)
- Managing Partner – LedgerPros
- Vice President, Professional Services & Customer Success – Apollo Consulting
- VP, Project Management – Systems Union