Here's the thing: I spent years thinking my job as CFO was to be the smartest person in the room about the numbers. It took three CFO roles to realize that wasn't the job at all.
The job is partnership. Specifically, with your CEO.
After I bombed that partnership more than once, here's what I've learned:
→ Turn "No" into "Here's how": When a CEO comes to you with an idea you can't fund, the instinct is to shut it down. Don't. "We could phase this over two quarters" preserves momentum. "No budget" kills it.
→ Embrace the tension: A CEO's job is to push. Your job is to pull them back without killing the dream. This friction isn't a problem to solve. It's the job. Get comfortable in it.
→ Speak their language: I gave a 30-minute variance analysis presentation once. The CEO's eyes glazed over in two minutes. I learned fast: lead with impact on growth, risk to runway, and effect on strategy. Save the appendix for people who ask for it.
→ Pick your battles: Not every budget debate deserves your full energy. Save your political capital for the decisions that actually move the needle on long-term outcomes.
The best CEO-CFO relationships I've seen don't happen by accident. They're built deliberately, one honest conversation at a time.
What's your biggest learning from working with a CEO?
-Christina Ross
Founder & CEO, Cube | 
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