If the Familiarity Trap is the disease, the hidden cost of assumptions is the bill. In this episode, I put numbers on what happens when companies cross the Atlantic without questioning their instincts: 68% of failed transatlantic expansions trace back to cultural assumptions made in the first 90 days.

I'll talk about the concept of “cultural operating systems”, the invisible rules governing how business gets done on each side of the Atlantic and explain why running your American operating system on European infrastructure (or vice versa) breaks things in ways you won’t see coming.

In This Episode

• The French energy company whose growing US revenue masked a team falling apart and why nobody saw it coming
• Why 68% of failed transatlantic expansions trace back to assumptions made in the first 90 days
• Cultural operating systems: what the computer analogy reveals about why business cultures are incompatible without translation
• The American OS (speed, individual accountability, 70% and iterate) vs. the European OS (depth, consensus, 85% before you move)
• How one fintech company hired a single local advisor and rewrote their entire go-to-market in three months
• The three-phase framework: Observe, Translate, Pilot and why the companies that slow down spend less money

Sources & Links Mentioned

Studies & Data:

• 70% of international business ventures fail due to cultural misunderstandings : Academic research on cross-border failures (GRIN)
• Cross-border M&A failure rates of 70–90% : Harvard Business Review: A Better Approach to Mergers and Acquisitions
• EACC Transatlantic Expansion Barometer (survey of 200 US & European mid-size businesses) : EACC France / OCO Global

Previous Episode:

• Episode 1: The Familiarity Trap: Why the Atlantic feels easy and isn’t
  

About "Crossing the Atlantic"

Crossing the Atlantic is a biweekly podcast for business leaders expanding across the ocean.

Hosted by Christina Rebuffet-Broadus an American transatlantic expansion expert with 20+ years in France and founder of TransAtlantia.

Each episode tackles the cultural blind spots, strategic mistakes, and hidden dynamics that make transatlantic business harder than it looks.

New episodes every two weeks.

Connect with me:

• Website: transatlantia.com
• LinkedIn: Christina Rebuffet-Broadus
• Book a conversation: Schedule here

Next Episode

Decision-Making: Consensus vs. Command
How Americans and Europeans make business decisions differently, why neither side understands why the other “takes so long” or “rushes into things,” and what to do about it. Drops May 5, 2026.