The role of the Chief Financial Officer (CFO) has evolved significantly over the years, shifting from a primarily financial focus to a more strategic one. Consequently, the relationship between the CFO and other C-suite executives has also changed.

1. CEO and CFO Relationship: In the past, the CFO was primarily responsible for managing the financial aspects of the organization, with the CEO taking on the broader strategic role. However, the modern CFO often acts as a strategic partner to the CEO, providing financial insights that inform strategic decision-making. The CFO's understanding of the company's financial position allows them to contribute meaningfully to discussions on the company's direction and future growth.
2. CFO and COO Relationship: The CFO and Chief Operating Officer (COO) now work more closely to align financial strategy with operational strategy. This collaboration ensures that the company's financial planning considers operational realities and that the operational strategies are financially sustainable.
3. CFO and CIO/CTO Relationship: With the increased importance of technology and data in business decision-making, the relationship between the CFO and the Chief Information Officer (CIO) or Chief Technology Officer (CTO) has become more critical. The CFO often collaborates with these roles to invest in technology that can improve financial processes, data analysis, and reporting.
4. CFO and CMO Relationship: The CFO also interacts more closely with the Chief Marketing Officer (CMO). Together, they can evaluate the financial implications of marketing strategies and initiatives, with the CFO helping to quantify marketing ROI and optimize marketing spend.
5. CFO and CHRO Relationship: With human capital being a significant expense for most companies, the CFO increasingly works with the Chief Human Resources Officer (CHRO) or equivalent. This partnership can lead to more strategic workforce planning and talent management decisions based on financial insights.

In summary, as the CFO's role has evolved to include more strategic responsibilities, so too have their relationships with other C-suite executives, moving towards more collaborative and strategic partnerships.