Geller has expanded its business advisory portfolio with the launch of a dedicated CFO Strategic Advisory Services practice and the appointment of Corinna Creedon, CPA, as Managing Director to lead the new division. The move strengthens the firm's ability to deliver strategic finance leadership, operational advisory, and digital transformation services for organizations across nonprofit, SaaS, technology, commercial, and private equity-backed sectors.
Drawing on more than 30 years of advisory and public accounting experience, Creedon will help organizations modernize finance operations, improve financial decision-making, and leverage technology to support long-term growth and scalability.
Quick Intel
Business advisory firm Geller has introduced its CFO Strategic Advisory Services practice to help organizations strengthen financial leadership, improve finance operations, and modernize technology infrastructure. The new practice builds on Geller's long-standing advisory capabilities and reflects growing demand for strategic finance expertise across multiple industries.
The service offering is designed around three core pillars that support finance transformation and long-term business growth.
The new practice provides senior financial strategy officer services through fractional CFO support for executive leadership and finance teams, helping organizations mature their finance functions and align operations with strategic objectives.
A second pillar focuses on finance operations advisory, identifying opportunities to strengthen financial reporting, improve data integrity, and enhance financial analysis through targeted operational improvements.
The third service area centers on digital transformation advisory, helping organizations modernize finance technology, evaluate the return on AI-enabled investments, improve reporting capabilities, increase scalability, and reduce the burden on internal finance teams during implementation.
Corinna Creedon joins Geller with more than three decades of experience in strategic advisory and public accounting. Throughout her career, she has specialized in finance transformation, outsourced CFO services, digital technology strategy, and financial leadership for nonprofit organizations, emerging technology companies, SaaS businesses, commercial enterprises, and private equity-backed organizations.
"The formation of this new practice is a natural next chapter for what we have built over four decades," said Marty Geller. "We have deliberately invested in the capabilities our clients value most: exceptional people, cutting edge technology, and deep consultative proficiency. Corinna's appointment brings those strengths together in a practice purpose-built for today's most ambitious organizations."
"Geller's commitment to excellence, innovation, and client service is what drew me to the firm," said Creedon. "The combination of advanced technology capabilities, talented professionals with evolving skillsets, and a highly customized approach to financial strategy and execution sets Geller apart. I look forward to leveraging these strengths to help clients transform their finance functions, achieve their strategic outcomes, and scale with confidence. Across all three service pillars, the common thread is helping organizations build a finance function that is not just operationally sound, but strategically valuable."
The CFO Strategic Advisory Services practice leverages Geller's established expertise in human capital, technology, treasury, and transaction advisory, providing organizations with integrated financial consulting through a single-source delivery model.
The launch also coincides with Geller's planned move to its new Manhattan headquarters at 99 Park Avenue this fall, supporting the firm's continued expansion and long-term growth strategy.
With the introduction of its CFO Strategic Advisory Services practice, Geller is expanding its role as a strategic business advisory partner for organizations seeking modern finance leadership. By combining financial expertise, operational advisory, and digital transformation capabilities under one practice, the firm aims to help clients build scalable finance functions that support sustainable business growth.
Creedon helps organizations reimagine the finance function for scale, using modern technology to streamline workflows, strengthen controls, turn financial data into clearer, faster decision-making, and communicate effectively with boards, executive leadership, and external stakeholders in a sophisticated, elevated way.
Prior to joining Geller, Creedon held senior leadership roles at a global top 10 public accounting firm, where she led and built several national and NY Metro practices spanning Advisory Services and Outsourced Accounting Services across the SaaS/technology, nonprofit, PE-backed and commercial verticals. She also spearheaded the formation of the firm's Nonprofit Digital Technology Strategy & Innovation team and served as its National Leader. Earlier in her career, she ran her own advisory practice focused on outsourced CFO services and strategic consulting and began her career in Big 4 audit.
A published thought leader and contributor, sought-after speaker at regional and national conferences, Creedon is a member of the AICPA and NYS Society of CPAs, a member of the NY CPA Emerging Technologies Committee, holds degrees in accounting and international business from NYU Stern School of Business, and is a licensed CPA in New York. She has been recognized on Crain's New York's Notable Leaders in Accounting and Consulting list (2020–2024), LIBN's Top 50 Women in Business (2024, 2025), and as a 2025 Long Island Trailblazer in Professional Services, among other honors.
Founded in 1984, Geller is a premier business advisory and financial services firm collaborating with companies and institutions at pivotal stages of growth, maturity and change. Through an integrated delivery model, Geller has long provided unparalleled expertise across human capital, technology, treasury, and transaction advisory. The firm's longstanding client relationships include providing fully outsourced CFO services to one of the world's largest foundations, as well as working with privately-held companies and other established organizations underscoring a reputation built on trust, confidentiality, and deep institutional expertise. Its CFO Strategic Advisory Services practice delivers senior finance leadership, and in doing so, naturally connects clients to additional capabilities, positioning Geller as a long-term, embedded trusted partner.
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