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  1. Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders
  2. 291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1
291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders · Sep 29, 2026

From a 'fool's game' to standard practice. John Bonham-Carter on commercializing perfusion, selling two companies, and biotech entrepreneurship.

A Global Biotech Network Is Built by Brute Force Travel, Not Just Digital Connections

John Bonham-Carter built his extensive network by traveling 150-200 days a year for nearly five years, personally meeting over 8,000 people. This highlights that deep, influential industry relationships are forged through relentless in-person engagement, a strategy digital networking cannot fully replace.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Early Family Exposure to Entrepreneurship Can Unconsciously Shape a Future Founder's Path

John Bonham-Carter's grandmother ran a bioreactor company, and he spent weekends at the facility as a child. This early, immersive exposure to the industry and the entrepreneurial lifestyle created a foundational understanding and comfort with risk that influenced his entire career.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Successful Biotools Need a 'Crazy Inventor' Paired With a Pragmatic Commercializer

John Bonham-Carter commercialized the ATF system, invented by the "crazy" Jerry Schovitz. He emphasizes that his role was to execute on someone else's failing vision, highlighting the need for both a radical inventor and a pragmatic business leader to bring a product to market.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Even Great Lab Technology Will Fail if It Makes the Bench Scientist's Life Annoying

A technology's success isn't just about high-level metrics like facility output. If the product is inconvenient or frustrating for the end-user—the scientist at the bench—it will face strong resistance and likely fail, regardless of its theoretical benefits. User experience is paramount.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Tech Adoption Is Driven by Specific Needs, Not Just Merit; Amgen vs. Genentech on Perfusion

Amgen adopted perfusion for smaller, intense factories of the future, while Genentech, with existing large reactors, had no incentive. This shows technology adoption is dictated by a company's unique strategic drivers and infrastructure, not just the technology's superiority.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Your Exit Strategy Should Be Dictated by Your Desired Lifestyle, Not Business Clichés

Instead of planning a specific exit, founders should first decide what kind of life they want. Do you want to run a large company or sell early? Answering this personal question is the first step, as founder happiness and alignment are critical to the company's success and longevity.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago

Young Professionals Can Trade Low Salary for High Equity, A Career-Accelerating Risk

When joining Refine Technology, John Bonham-Carter accepted a small salary for a share of the company. He frames this as a risk-based trade—income for equity—that is particularly viable for younger professionals who can afford the financial risk, potentially leading to significant long-term rewards.

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1 thumbnail

291: The Fool's Game That Became Standard Practice: Perfusion, the ATF, and What Changed with John Bonham-Carter - Part 1

Smart Biotech Scientist | The CMC and Bioprocessing Podcast for Process Development and Manufacturing Leaders·5 days ago