What happens when you combine a business owner’s instincts, a veteran CFO’s judgment, and AI’s analytical power?

Phil Nahajewski, partner at Florida CFO Group and creator of Philnancial OS, joins Brittany George to explain his “three-brain” approach to financial decision-making.

Phil shares how AI helped a $100 million cement company evaluate a major expansion decision in less than 24 hours—work that might previously have required a consultant, $20,000, and 45 days.

They also explore why AI should be treated as a first-draft engine rather than a final decision-maker, which finance jobs are most vulnerable to automation, and why experienced human judgment remains indispensable.

In this episode, you’ll discover:

• How to triangulate business decisions using three brains
• Why Phil moved his business workflows from ChatGPT to Claude
• How he turned 36 years of CFO experience into 63 AI-powered decision rules
• Why business owners need financial insight every Monday morning
• Which finance roles AI may replace—and which it cannot
• How mentorship can preserve expertise in an AI-first workplace
• Why your values may be one of the most important things you give your AI

Intelligence Resources features people using AI inside real businesses today—not merely predicting what it might do someday.

CHAPTERS

00:00 Meet Phil Nahajewski
01:01 The three-brain approach
02:15 A $20,000 decision made in a day
04:14 What each brain contributes
06:04 Why Phil moved to Claude
08:00 The fastest way to learn AI
10:25 Building a second brain
12:15 When AI gets it wrong
13:10 Can AI replace the CFO?
14:24 Dueling AI assistants
16:23 Which jobs are most at risk?
17:20 The Monday morning philosophy
18:45 Building Philnancial OS
21:34 Turning experience into 63 rules
23:36 Mentoring the next CFO generation
26:55 How law and accounting will change
28:21 AI: cost cutter or capacity builder?
30:24 What AI should never decide alone
32:38 How finance teams will shrink
33:28 Phil’s advice for business owners
33:53 Using AI for personal growth
36:08 Where to connect with Phil

CONNECT WITH PHIL

Visit Florida CFO Group or connect with Phil Nahajewski on LinkedIn to learn more about his fractional CFO services and Philnancial OS.

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