Mariah Block

Mariah Block is a Partner at NOW CFO, where she leads strategic initiatives to support companies through every stage of growth. She works closely with executives and founders to deliver outsourced finance and accounting solutions tailored to their company’s stage, goals, and budget. Known for her high-touch approach and long-term partnerships, Mariah has built a reputation as a trusted resource—often supporting clients through multiple phases of growth, transition, and transformation. With a focus on strategic alignment and problem-solving, she collaborates with internal teams and external stakeholders to ensure clients are matched with the right technical resources—whether they need interim CFO support, staff augmentation, audit prep, or system implementations.

Her industry experience spans SaaS, consumer products, manufacturing, life sciences, and more. Mariah also plays an active role in the business community. She serves on the Advisory Board of Enterprise Bank & Trust, providing insight into the needs of growing businesses, and is a proud sponsor of Chairmen’s RoundTable, a San Diego nonprofit offering pro bono mentoring to CEOs. Based in San Diego, Mariah is passionate about helping companies unlock growth by delivering clarity, connection, and long-term financial strategy through meaningful relationships.